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There are many software for analysis but which one is the best?
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For structural equation modeling (SEM), SmartPLS (https://www.smartpls.com) supports both PLS-SEM and CB-SEM (like Amos - you can even import your existing Amos projects).
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I've used Actiwatch, Fitbits, and Condors and found them comparably good for user experience but they all have software/analysis flaws. Has anyone been satisfied with the sleep tracker they used for their sleep research and why? What are the cons? What's the analysis software like?
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The satisfaction level with sleep trackers used in sleep research can vary among researchers and individuals based on their specific needs and expectations. While some researchers may find certain sleep trackers satisfactory for their research purposes, others may encounter limitations or challenges. Here are some general considerations regarding sleep trackers and their analysis software:
1. Device Accuracy: The accuracy of sleep trackers in measuring sleep parameters can vary. Some devices may provide reliable data for sleep duration, sleep onset, and wake times, while others may struggle with accuracy, especially in distinguishing between different sleep stages (e.g., light sleep, deep sleep, REM sleep). It's important to evaluate the validity and reliability of the sleep tracker you intend to use for your specific research purposes.
2. User Experience: User experience is a crucial factor when selecting a sleep tracker. The comfort, ease of use, and wearability of the device can affect participants' compliance with wearing it during sleep. Look for devices that are comfortable to wear and have user-friendly interfaces or apps for data collection.
3. Data Analysis Software: The analysis software accompanying sleep trackers can vary in terms of features, usability, and compatibility with different research needs. Some software provides basic sleep summary metrics, while others offer more advanced analytical capabilities such as sleep stage classification algorithms, sleep efficiency calculations, and sleep pattern visualization. It's important to assess whether the software meets your specific research requirements and allows you to extract the necessary sleep parameters for analysis.
4. Validity and Reliability: Sleep trackers should ideally undergo validation studies to assess their accuracy compared to gold standard measures such as polysomnography (PSG). It's important to review the existing literature on the validity and reliability of the specific sleep tracker you are considering, especially in relation to the sleep parameters you are interested in studying.
5. Limitations: Sleep trackers have inherent limitations. Factors such as device placement, movement artifacts, and individual variability in sleep patterns can influence the accuracy of data collected. It's essential to consider these limitations when interpreting the results and drawing conclusions from sleep tracker data.
6. Interoperability: If you plan to integrate sleep tracker data with other physiological or behavioral measures, consider the device's compatibility and ability to synchronize data with other systems or software.
It's recommended to consult with experts in the field of sleep research or data analysis to gain insights into specific sleep tracker models, their strengths, limitations, and the suitability of their analysis software for your research needs. Reading reviews and studies comparing different sleep trackers can also provide valuable information to make an informed decision.
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I want to use a qualitative software analysis such as Nvivo, Atlas.ti and MAXQDA for coding and analysis of my interview. I prefer using Nvivo but does anyone know if I can use the free trial to do my at least 10 interview coding? Or do I need to purchase one of these software ?
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10 interviews---just do it manually.
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Can someone help me how i get the Assign 400ATF software for analysis of sequence of BoLA-DRB3 gene?
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Try emailing support@conexio.iinet.net.au and they will send you the installation file.
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An permanent magnet machine needs a thermal guarantee from its software analysis, since overheating may destroy its magnetic field. There are videos showing the temperature animations but nowhere could I find a detailed process to compute it from the Maxwell 2-D file.
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Aditya Raj Hi. You may find the following work helpful (it discusses the thermal modeling of a thin-film CZTSSe solar cell in COMSOL and takes various heat sources into consideration including SRH nonradiative recombination, Joule heating and the conductive heat flux magnitude):
Best
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Recently an external collaborator performed for me a GC/MS on my samples, using Glucose and Glutammine with all C labelled.
The related data consist in peak area of each metabolite/isotopomer. I tried to analyze these data by INCA (a toolbox of MATLAB), but I need to find a metabolite network model that describes the pathway that I want to investigate (e.g. TCA Cycl and Glycolysis)
Do anyone know were I can find network models?
I would like to recive any suggestions about better MFA software analysis as well as INCA.
Thanks in advance
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As you seem to already have the Mass isotopomer data of different metabolites (obtained from 13C feeding experiments followed by GC-MS), This is the typical workflow you can adopt ahead:
1. Do mass correction to remove the contribution of natural abundances of isotopes (You can use IsoCorr or similar tools- https://academic.oup.com/bioinformatics/article/28/9/1294/312644).
2. The resulting Mass isotopomer distribution data can be used to map metabolism of your cells (see here how we did it
3. You can further define the carbon transition network in INCA or any other 13C MFA software (See tutorial as well as examples that come with the package).
4. Metabolic Modelling/Flux analysis in the platform needs - Substrate Uptake rates, Biomass components efflux rates (which you might have measured or borrowed from literature on your system). Your measured isotopomer data also goes as input while flux analysis. The model predicts isotopomer distribution and compares with your measured and provides the fit as statistically acceptable or not (You may need to play with the model iteratively until you get confidence on the flux values). More reading will help - https://www.nature.com/articles/s12276-018-0060-y and references there off.
Sounds a bit complex, but once you try one can master it.
Best wishes
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I don't know how to analysis my data acquired based on fuzzy Delphi Method.
can anybody introduce a software related to fuzzy Delphi?
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HI.. i just used microsoft excel.
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I did experimental analysis of scale model ship to get RAO.(S.K chakrabarti text on hydrodynamics says,scaling up can be done.)
The question is if create model in software & prototype in software and run analysis,will the result be similar for both software simulation, will we get same RAO?
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Usually it does not, although the solutions do not differ much.
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I'm looking for a software which automatically analyses emotions in speech in natural settings. So far I've been looking into Praat and EmoVoice and would be interested if anyone has experience with them or can suggest other tools? many thanks
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The best way seems to be to have a Skype or Zoom in orde we can speak about this and if relevant to make a demo.
All depend on how the situation can be handled as emotions are a reaction to the stimulus. So if you cannot understand the stimulus the analysis of the emotions might be not relevant.
If it makes sense you can contact me at remimollicone@gmail.com
All the best
Remi
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trichoscopy software
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Hi! How are you? I'm looking the same, I found other softwares like TrichoLab, TrichSciencePro, Trichoscan, Folliloscope and Hairmes. I think that TrichoSciencePro is good, but I´m not sure. Have you any suggestions?
Thanks
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PQmethod is a software to analysis the data that derived from Q-method. I am looking for any useful videos or books or documents that shows the details of data analysis.
Thank you for your anticipated cooperation.
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Hi,
I found this quite useful:
Watts, S., & Stenner, P. (2005). Doing Q methodology: theory, method and interpretation. Qualitative research in psychology, 2(1), 67-91.
Cheers,
Chris
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during modeling steel hot-rolled cross sections residual stresses need to be entered in the analysis. we are using ANSYS software in the analysis. How the residual stresses can be defined in ANSYS?
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Basically there are several ways you can do to model residual stresses in ANSYS software.
1- You can perform a thermal analyse and couple it with the structural module in order to consider residual stresses.
2- Using uni-axial thermal expansion factor may help!
3- INISTATE command in ansys is defined to consider residual stresses.
4-If you have the stress distribution scheme, using "External data" may help you to map the stresses.
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I was collected my ten scale level data from from infected and control(non inoculated) by plant pathogen. Therefore, which statistical tools is appropriate for my data analysis?
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As your measurement scale indicates the interval scale, so it is better to go for parametric tests like t-test and others, I am strongly agreed with David L Morgan
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Hello friends,
i have an issue regarding haunch beam frame structure while designing it on Etabs software it is showing "error in dimensioning concrete design arrays".
please let me know whether Etabs can design the haunch beam section or not.
Thanking You.
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Also, for more analysis by finite element method, ... can be reviewed on my works listed in RG
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Urgent>> I am a master student doing a study about privacy behavior on Facebook.. my research model consists of two independent variables (cost and benefit), each independent variables consists of six items.. in addition to two dependent variables each of three items.. all measurement models are reflective.. the number of samples is 120.. all answers are within the range (1 to 5) or (strongly disagree to strongly agree).. I use the pls algorithm in smartpls software to analyse my model.. the problem is most of the outer loadings are below (o.7).. one variable has Cronbach's alpha below (0.7) while three varibles have AVE below (0.5). I try to delete the items with the least loadings but there is no recognized effect on the Cronbach's alpha and the AVE.. kindly I need to know how to fix this problem ??
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Is the number of items sufficient to give you a good loading? Any multi-collinearity among items or factors.
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Hi all,
I'm using the NIST DTSA-II software for analysing my XRF spectra and I have a problem with the spectrum calibration.
In particular, when I import the csv file, the software correctly displays a spectrum but it puts keV on the x-axis although my data are channels.
And for this reason I need to calibrate it and I would do it by using some specific liines that I know for sure that are presents, but when I try to use this option in the "calibration" path, after clicking the finish button, nothing happens.
So, I would ask if someone of you can give me hints to overcome the problem or can suggest me other XRF (free) software for data analysis.
Thanks in advance!
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I'm currently writing a software to analyse microscopy images. To give the user a better experience, i want to automatically extract as much information about the image as possible such as the x/y-resolution and so on.
I don't have a problem to extract the meta data from the images, but came across a (in my mind) weird choice about the storage of additional image data. At least for the images i used, the software tag (tag 305) is used to store the magnification and the names of the channels in BGR order. The copyright tag (33432) seems to store additional information, in my case about the used cell line and what was detected (maybe used general user input).
My question is: Is this odd usage of tags common practice so that one can use the information given in such tags?
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Sadly not, the images were not captured by me
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Hi,
Iam working on flow injection system which is home made, therefore I need for a free software for analyse the chart?
Thanks
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Dear C K Gomathy,
Thanks
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I have sequenced few MTB genome I have the fastq files and BAM files I can visualize the data using IGB but not able to get the get the generated consensus sequence. I know there different command based linux based programs. But i dont have Linux OS and I also dont know programming. Hence if anyone can suggest any GUI based free software for the analysis.
However, apart from MTB I have some virus sequencing data too.
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Thank you...
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Is there any possibility to do Brucella MLST analysis online?
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welcome madam..
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Let say if I would like to study the (regression) relationship between Corporate Governance and Cost of Debt.
WHAT quantitative software should I employ to test it and WHY should I use the suggested software as I heard about SPSS, Smart-PLS and EView?
Thanks for advice in advance.
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Four programs you can use in your project EView, R, spss and Stata
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I need ION-TOF software for analysis of some LEIS data, I tried the official website but it is available only for owners of the machine.
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C K Gomathy I have tried this official website before positing the question. The website asks for a license or serial number for the machine to download.
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Dear R. K. Jaiswal
 Hope you are doing well I am  Dr Babikir, Agrometoeorlogist
 Based on your published paper entitled "Statistical Analysis for Change Detection and Trend Assessment in Climatological Parameters", I am working on rainfall trend and variability analysis using excel sheet but I fount some problems with homogeneity analysis because  I don't have software for analysis.
would you plz check my analysis in attached excel sheet  and if there is any problem.
 I hope to hear postive and quick responses
   Regards 
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Thank you very much for excellent paper entitled " Absolute homogeneity assessment of precipitation time series in an arid region of Pakistan " I follows it for calculation of homogeneity test. Would you check my calculation in the attached excel sheet if there is any mistake you can correct it
Regards
Dr Babikir
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I am searching about a software for analyzing of electronic and communication boards viewpoint of radiation tolerance. for example the output of this software is 40 krad. it means this boards can tolerate 40 krad in radiation environments.
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If what you are searching for is the capacity to simulate the damage in boards when irradiated, you could use TCAD for that (through the Sentaurus Workbench). Once the electronics is designed, it allows for a radiation damage model.
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I am attaching one TEM image...... can anyone suggest me that the rod like structure is particle (cluster of particles: because no. of white spheres are present in single rod) or small white spherical structures are particles in this image. I am using Image J software for analysis, please suggest me which one should I consider as particle rod or small white sphere.
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Shafagat Mahmudova , the paper you suggested hardly has difficulties, particles are pretty obvious there:
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Dear All,
Kindly suggest a good statistical software to analyse data collected from an augmented field designed experiment ?
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Francesco Desiderio is right - R Studio is good. However, it is not statistical software. It is an Integrated Development Environment (IDE) that works well with R, among other scripting languages. Think about an IDE being like a workbench on which you construct your scripted statistical operations out of R. The combination of R and R Studio is very good. Nonetheless, you would still be writing scripts (programs) instead of using a package such as SPSS, SAS etc.
Worth mentioning that R Studio is not alone in this space. If you are interested in looking at IDEs to go with R, you should also look at Jupyter notebooks.
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I am studying Ethiopian amphibians now and I need the software to analyse the phylogenetic relation ship of amphibians.
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perhaps Phylip
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I have done my experimental work on pervious concrete. Please suggest me if there is any analytical software for analyse pervious concrete.
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exactly there is no analytical softwares for porous concrete.all data & experimental information based on experiences. I can give you a software for forecasting of effective lifetime of concrete
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what are the suitable software to analyze of raw DNA sequences for microbial diversity analysis ?
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There are very good and informative tutorials are given on the QIIME2 website. After all the current updates, qiime2 is easy to follow and new data output makes it easy to visualize and understand your data.
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Dear All
I need to analyse one TEM image but The FTT option is not getting activated. Can anyone tell me why that function is not working and how to activate it.
Thanks in advance.
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So, what does the error says? Most probably is about wrong image type (unsupported), or your ROI is not an n^2 size...
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I have Daily Rainfall Data for 30 years for few stations near to Belagavi, I wanted to know is there any Open Source Software for Statistical Data Analysis. I wanted to use this software for Analysis of Rainfall Data of as I feel difficult using MS Excel. Please suggest me if any
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Thank you Evans Ehouman for your Suggestion
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I would like to analyze a test of aquatic insects, indicator species of headwaters.
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Hi Libourn,
The Indval Package is used in R plataform. Then you will dowloading this package in R and just follow the instructions described by Pierre Legendre.
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I have to analyse the rock slope stability of rock hill.
The rock mass surface having lot of discontinuities.
I need the suggestion for select the software for analysis
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You may try Optum packages like Optum G2. It is a completely user-friend and free to access. It also provides many equipment for a geotechnical problem as well as continuous run process.
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PRAAT is a software program that enables the researcher to measure utterance fluency as well as phonetic transcripts.
All the videoes I have watched in the YouTube explaing phonetic analysis while my concern is long stretches of speech (dialogues).
I am researching fluency measures (mainly speech rate, articulation rate, time ratio, filled and unfilled pauses, pace and space).
I am looking for an institution or a reseacher whose experienced enough to teach me how to understand these measures. 
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I would contact Dr. Okim Kang at Northern Arizona University. She has written an excellent article on these measures of fluency:
Suprasegmental Measures of Accentedness and Judgments of Language Learner Proficiency in Oral English.
OKIM KANG, DON RUBIN and LUCY PICKERING
The Modern Language Journal
Vol. 94, No. 4 (Winter 2010), pp. 554-566
Right now she may be quite busy, though, planning the next Pronunciation in Second Language Learning & Teaching Conference at her university. If you can go to this conference, it would be worth your while.
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I am looking for some software to analyse fish behaviour and activity (for instance swimming velocity and fast startle response) from video recorded files.
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What for you are looking for such software? For researching fish or for catching them? I don't want to prejudice, but if the second, you are on the false and robbing side of the planet and you should rethink it.
Regards, Milan
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Hello, everyone. Could l ask any of you have used free and easily handled software to anylaze the data from thermogravimetric(Producing DSC and TA curves)? l used Peakfit-30days trial but it has expired now and it's a bit expensive if buy a official version.
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Use R.
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Required for qualitative research in education
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Dear Bikash Barai,
List of Software for analysing 1) video interview 2) audio recorded interview:
  1. Computer-assisted qualitative data analysis (CAQDA)
  2. NVivo
  3. MaxQDA
  4. Dedoose
  5. Quirkos
  6. ATLAS.ti
  7. webQDA
  8. Raven's Eye
  9. HyperRESEARCH
  10. Provalis Research
  11. F4analyse
  12. Focuss On
  13. Qiqqa
  14. Annotations
  15. Datagrav
  16. Interpris
I hope I have answered your question.
With Best Wishes,
Samir G. Pandya
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Hello,
I performed docking for my antibody-antigen complex using Z-dock. Is there any software that I can use to analyse the result of my docking by telling me the exact interacting residue and calculate the binding enery?
Any suggestion would be appreciated!
Best regards,
Arghavan
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Sanjib Saha Uttam Pal
Anwesh Pandey
Thank you very much for your helpful reply!
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I have the data of total dissolved soilds of apple as references (y-variable).
I also have near-infared spectra data as predictors (x-variables).
I have the StatSoft Statistica software for the analysis.
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Different related software's can be used for building ANN predictive model using NIR spectra. My suggestion are Unscrambler and IBM modeler. Before ANN modeling, PCA should be done to reduce large spectra variables to PC1, PC2 .... . after calibrating ANN, you have predicted values by calibrated model and you have also reference values for each sample. Now use RPD index to realizing the goodness of your calibrated model.
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I would like to do a gupta and sen multiplets fitting for my XPS spectra. I am currently using Origin as my software analysis.
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Dear Chong Cheen Ong,
Attached herewith Research Article links that will help you to understand "gupta and sen multiplets fitting" using origin.
I hope I have answered your question.
With Best Wishes,
Samir G. Pandya
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Hi all,
i currently do immunophenotyping experiment using novocyte express machine. Im looking for free software for analysing the data including setting the gate, compensation etc etc. The software gave 30 days free trial software for editing and its already expired.
Im looking for other options for editing the ".ncf extensions". please suggest any available software that i can use.
thank you
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I have run in previous versions of the software but the analysis tabs appear to be quite different in the latest version.
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Dear Daniel,
I use the same spss version (25) and my syntax is functioning really good. If you have some problem, send me a part of your data and I will compute my command syntax.
Best
CH
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I all,
I'm looking for a software to analysis NGS data.
I would like to get some recommendations on a software, other than mac vector (don't have macbook). Prefer an open source free one but it doesn't have to be, it just needs to be intuitive and easy to work with....
Thanks,
Zohar
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Hi Zoahr,
you may want to check out the Galaxy project (https://galaxyproject.org/use/). You can think of it as a kind of cloud solution for any kind of NGS analysis. It is very well documented.
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Dear Experts,
Which is the best method to analyze qualitative data and are there any free software to analyse qualitative data focused on public health?
Thanks
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There is not best method for analysing qualitative data. There is only the better or more appropriate one. It means that each method has strong and weak points when it comes to specific types of qualitative data. This characteristics requires you to choose which one is more suitable to your purpose and type of data.
Some approaches to qualitative data analysis you may consider to look at:
- Grounded theory methods, by Glaser and Strauss, Corbin and Strauss (1997) Charmaz (2006), etc. - better with interview data
- Thematic analysis by Braun and Clarke (2006) - generally appropriate for all type of qualitative data
- Qualitative Content analysis by UH Graneheim, B Lundman (2004, in nursing studies), or HF Hsieh and SE Shannon (2005) - better with textual data such as document, reports, etc.
- Qualitative data analysis: An expanded sourcebook by MB Miles, AM Huberman (1994) - all type of data
- (Critical) discourse analysis by R Wodak, M Meyer (2009), by JP Gee (2004) - social discourse, language, conversation, etc.
Hope it helps.
Best regards,
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whenever mat is subjected to  seismic loading, I observed very little or no pressure increment on opposite side w.r.t. direction of seismic force (observations as per SAFE & Staad Foundation softwares analysis). But as per my thinking/logic the pressure must be high.
So please help me to clear my views in this point.
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Following
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I need a software to perform analysis of Andean amphibian songs. Thank you
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Hola Victor,
El Raven es una buena opción y como te comentaron anteriormente, puedes solicitar una licencia gratuita. Vi articulos que usan Raven y Seewave del R, si bien el R es gratuito y libre, también es un poco más complicado al inicio. Este artículo puede ayudarte también:
Saludos!
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Hi All,
I'm trying to obtain a radial charge density or potential profile for an embedded H in a metal lattice. I have calculated my charge densities and obtained a CHGCAR using VASP and have plotted it using VESTA which is giving me some good qualitative information. However for further calculations I need an actual number. Could anyone recommend some software to analyse CHGCAR quantitatively? I'm hesitant to write a script myself due to the size of the data files involved. Any suggestions are welcome
Cheers
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Hello Daan,
There are a couple of things you may try
1. Calculate local density of state with LORBIT=11 or LORBIT=12 and using p4vasp or your script to extract partial charge on each atoms. Integrate charge density to the Fermi level.
2. Try with some projection like bond order analysis.
3. Instead, you can calculate Bader charge and using bader analysis to get information about charge transfer.
4. You can do subtraction with VESTA also.
Remember that due to problem of projections, local charge density will not be absolutely exact in any method. I hope these help, for more detail of each method, you can google easily.
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I want to know about good statistical packages for analysis of plant breeding trials like multivariate analysis, generation mean analysis and stability analysis. I am using R, SPSS and PBTools but I am not getting the desired results due to certain limitations. Please let me know is there any free version available for GENSTAT or any other biometrics packages for smooth analysis.
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Dear Dr. Kaushik Kumar,
Yes, you can check equality of means using MINiTAB.
Regards
Vishwanath
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I want to analyse the AFM image i got from AFM microscopy. I want to know the size and thickness of the flake of chemically exfoliated layered MOS2
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Please post information about the practices that you have already done to use the software to confirm sizes and thickness values from features on well-defined substrates as the calibration standards that come with AFM instruments as well as to confirm heights on well-defined edges such as those on mica. Otherwise, we have no basis to explain anything to you well enough to know that you will truly understand. Alternatively, when you have not done any of these analysis steps yet, consider the practice that is required to do them using the AFM, its software, and the user manual for the instrument as the full and complete answer that you seek.
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Hello everyone, I am very new in this regard and learning everyday. I am working on disease resistance in Wheat and want to do QTL mapping. I already have found the chromosome which may have the major resistance(picture is in the attachment), now what could be my next step? I am interested to know about the basic steps but in details. I am using 2 DH population and I have 93 individuals in total and using RQTL software for analysis.
Thank you very much for your kind help.
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1) Narrow down using other set of markers if you can
2) confirm the QTL in other populations/crosses
3) Since we have wheat genome, try to identify genes within that QTL
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In differential scanning calorimetry (DSC) analysis for degree of gelatinization determination, the sample is usually hydrated to ratio 2 to 1. That is 2 of water to 1 of solid. However, when you input the data into the software for analysis, most scientists include the total mass (solid and water). The peak integration of the thermogram is done to show specific enthalpy in J/g. Should the heat flow during gelatinization shown with a peak be considered as a function of the solid mass alone or it should include the mass of the solid and water?
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Actually in my case i got strange results using the total mass. The results were much better and more coherent comparing with the values published before in other articles when i considered only the solid weight.
The Thing is that i gave the DSC the total mass and then recalculated the peak integration considering only the solid mass.
I hope this can help.
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I have used BAPS software to analyse my cpSSR data and found that the estimated admixture coefficient values for each individual was 1 and each individual (250 in my case) were assigned to each single cluster. What is wrong with my analysis. Is it the input file? I have used haplotypic data as the input file.
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I am working on signalized intersections and using video data from CCTV footage and i need to extract data on volumes, flow, headway among others. I need a software that can analyze the video and extract that information.
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Have a look at some of the following publications:
Especially the following report:
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Hello,
what is the model to analyse the field trial using Augmented design with 210 cultivars and which test can I use for mean comparisons ? I want to use R software for the analysis.
Thank you.
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There's also the ACBD-R (Augmented complete block design with R). This software was designed at CIMMYT. It's a graphical user interface to simplify the analysis and design of these experiments. Requires Java JRE 1.8.0 or later:
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Hi,
I'm trying to import a .txt file that I exported from our LightCycler 480 software and import it in CopyCaller software to analyse the different amounts of Cq values and thereby differentiate between homozygous and hemizygous samples after a Taqman assay.
Unfortunately I cannot import the .txt file into CopyCaller and shows the error "<file> is not is not a compatible file and cannot be added to the analysis. Verify that the file format is compatible with the software.".
Does someone have any experience with this and knows how to solve it? Thanks in advance!
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I want to analyse the airplane wheel load on a fiber reinforced concrete and find out its optimum depth and Allowed loading times
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Ansys, Abaqus and plaxis
This programs used to make finite element and used to know the stress and deflection on the pavement
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Hi,
I need some help about visualization of gene set enrichment analysis. I saw this figure in a study and would like to make a similar one with my data. The difference between this work and mine is that in the paper there is more than one level of molecular analysis and I have only gene expression profile. However, I have the enrichment results of signaling pathways and the expression values of the differentially expressed genes. Can anyone tell me what software or analysis pipeline should I use to generate something like this?
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Looking for some researchers in SFTA/SFMEA
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Segmentation based Fractal Texture Analysis (SFTA) it works on fractal dimension of the image. i knew few things about this method and implemented this method on my datset also and this method given good resutls.
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Enthalpy, heat capacity analysis by DSC and mass loss analysis by TGA is very important. Is there any free software for this analysis?
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I need a FEA software for nonlinear dynamic analysis of Masonry Structure. Some of software I know, but they are expensive. Please suggest some FEA software for analysis.
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The Open System for Earthquake Engineering Simulation (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees has been developed as the computational platform for research in performance-based earthquake engineering at the Pacific Earthquake Engineering Research Center.
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Can anyone help me? I have a question with five-point Likert item:
0 = Very little; 1= Little; 2= Moderately; 3= Many; 4= Too many.
Does anybody have any idea how transform this answers on a dichotomous scale  (e.g: 0 = no; 1 = yes) ? I use SPSS software for analysis.
Regards! Luciano Vitorino
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It is not recommended to re-categorize Likert scale question into dichotomous because you will lose the power of the data while categorizing. But, if you really want to do it. Follow the following. 
Do you want to transform one question? If many. Follow the following procedure. 
You can do it using Compute new variable function of SPSS. 
First: The variable you computed need to be in numeric. You can compute the values of the variable by adding each value of the likert scale questions. 
Second: Check normal distribution for the newly computed variable using either Shapiro-Wilk test or Kolmogrov-Smirnov test. The use of these methods depends on the size of your sample. If you found out the distribution of the newly computed variable is normal, then define your cut point using mean else median. 
Third: Transform the new variable into categorical. You can do this through Recode into different variable.  Check whether the values the newly computed variable of each respondent is above or below the calculated mean/median. Then, change the values into either 0 or 1 using if/then function.
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We have actually done a x-ray tomography upon a HMA sample and need to analyze those. After tomography we have got huge amount of data and I am unable to know which software will be the best for any analysis and graphing etc...Programming is a weak link though...
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You might want to have a look at this a bit older mailings which list a lot of software as well:
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Hello everyone. I am using the Killer PLS SEM software for analysis. I realized when I use the standardized data for analysis, the software does not perform the IPMA and when I use the original data set it does nor perform the Bootstrapping analysis.Can some one help me?
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Thanks you Bryan!
Good information there!
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Alternatively, subjective impressions/opinions? The objective is to determine Nash equilibria and various optima for each player. One relevant criterion is speed of execution (minutes, hours, days). A second criterion is ease of programming. Game theoretic problems are so multifarious, despite many common features, that no standardized software seem to have emerged. If that’s correct, each problem has to be programmed individually. Each of multiple players has multiple available strategies and seeks optimal (equilibrium) strategies to maximize his expected utility given that each other player performs the same activity for his strategies. In equilibrium no player has an incentive to deviate unilaterally from his optimal strategies. Such problems usually involve nested DO-loops and IF-tests. One DO-loop is needed for each strategy for each player. One starts with some chosen combination of strategies for each player and determines each player’s expected utility. Next one alters the value for one strategy for one player from some lower limit to some upper limit and determines which value gives the highest expected utility for that player. Thereafter one proceeds to the second strategy for the same player or to the first strategy for player number 2 and chooses the value that gives the highest expected utility for that player. The procedure runs until no further increase in expected utility for each player is possible, or, in some cases, an equilibrium cannot be found and the procedure runs forever. One possible conceptualization of the problem is that each player solves an optimization problem considering the other players as constraints. Thereafter one proceeds to player number 2 and solves that player’s optimization problem considering the other players as constraints. The procedure continues until all players have optimized, and is then repeated since each player’s optimization may lead the other players to prefer to optimize differently. Of course challenges exist, such as multiple equilibria. A common solution method in game theory is backward induction. If the game theoretic problem involves the time dimension, an additional DO-loop is needed. Sometimes bounded rationality can be assumed so that one seeks the optimum for the current or next or next few time periods. Another relevant criterion is illustration e.g. in graphics of the research output. I have used Mathematica since 1995, currently Mathematica 11, and am satisfied with the illustrative capabilities. Possibly, research output from GAMS may sometimes have to be transferred to other software packages such as e.g. Excel e.g. if certain requirements are needed for illustrating the output e.g. graphically, but I am uncertain about that. If GAMS (gams.com) compares favorably with Mathematica and/or Matlab e.g. for speed of execution and ease of programming, the illustrative quality may be assigned lower weight.
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1. Getting this issue settled one way or the other is not so easy. Boris L. Glebov makes a good point that one often has to write the functions etc. oneself, so “well it depends,” except for very simple cases. Salih Tutun’s suggestion of using the fast Julia software is interesting. Morton E. O'Kelly makes a good point that getting better solvers may not always be the best approach, and that one may instead spend time “in the finesse of the formulation.” Well, that brings us back to Boris L. Glebov’s suggestion “well it depends.” Aldo Dall'Osso prefers Mathematica, which perhaps one may as well prefer if one has to write the functions oneself and is trained in Mathematica. Christoph Engel’s and Vsevolod Korepanov’s suggestion of Gambit is of course relevant.
2. Re Mathematica, a Nash package does exist, http://library.wolfram.com/infocenter/MathSource/551 , discussed in this 1993 book edited by Hal Varian http://www.springer.com/us/book/9781475722833 . Mathematica also provides some game theory demonstrations, http://demonstrations.wolfram.com/topic.html?topic=Game%20Theory . One possibly good thing about Mathematica is that old code still works. Mathematica users are offered a package written in 1991 by John Dickaut that still works in Version 11 to find (all) Nash equilibria in 2 x 2 games. Also, if one’s skills extend to RLink, there is an R package GNE that one can access via Mathematica that appears to be a lot more modern.
3. Here’s an approach for solving in GAMS. First, assume an algebraic description of a complementarity problem (CP) whose solutions correspond to the solutions of a game. This is typically the case. For example, there is a well-known formulation of a two-person bimatrix game as a linear complementarity problem (LCP). Similar CPs exist for many other Nash game examples. This is significant because GAMS solves CPs via the PATH solver for CP. With this approach, no need exists to program a solution algorithm (with all its messy details) oneself. When the algebra for the CP has been written, GAMS simply hands this off to PATH for solution. Other MCP solvers also exist in GAMS. Using the MCP (mixed complementarity problem) model type, one can specify the model once and have access to multiple solvers, not just PATH. One typically starts with a trivial model/data size that can be inserted directly into GAMS, but soon one wants to bring in data from other sources. A typical GAMS application involves a model that is separate from the input data, so one can use data utilities we provide to move data between GAMS and other sources (e.g. Matlab, Excel, databases, R, .Net, Java, C++, Python, etc.). This way one can develop a model independently from the data. The same holds for model debugging: often model flaws are exposed during model testing or use, not development. With the right setup, any unusual results can be debugged easily because the data leading to the problematic instance is saved for just such a need. Finally, on the output side (illustrating, etc.): GAMS does provide some charting facilities within the GAMS IDE, but users often have a preferred environment for visualizing results and perhaps some investment in time and capital there too. The GAMS approach is to make it easy to export GAMS results to such environments, using the same data tools mentioned above. So if one has an existing Matlab setup for defining, solving, and illustrating the solution to a Nash problem, an interesting experiment could be to define and solve the same problem in GAMS, then add to that export to Matlab for visualization, then finally add a connection for the input data between Matlab and GAMS. Possibly the divide-and-conquer approach is viable. GAMS may not have an example that does exactly what is described above in its entirety, but one does have independent examples that 1) solve Nash models in GAMS, 2) export results to Matlab, and 3) bring data from Matlab to GAMS. I have heard one user suggesting that GAMS is good for antagonistic games, but not for polymatrix games, which may or may not be correct.
4. If someone has further viewpoints or insights, please let me know.
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As there are so many performance measures, there are many ranking results. That is, if we try to rank a group of software defect prediction models from best to worst using ROC measure, we will definitely have different rankings if we evaluate these models performance using another performance measures, such as, recall, precision, accuracy, etc. This problem exists for within-project and cross-projects scenarios alike.
The question is how we can develop a performance evaluation method that would always yield the same ranking results for a given software defect prediction models?
Thank you, Hussam.
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Thank you all for your contributions!
However, every implemented performance evaluation measure has advantages and disadvantages (Powers 2011, Abran 2010). That is why (in my opinion) none of these evaluation measures won a global consensus among software researchers and practitioners. 
Is it possible to start looking for a way to combine more than one evaluation measure together to evaluate prediction models performance? For example, Area Under ROC Curve combines two performance evaluation measures together, namely True Positive Rate and False Positive Rate. Is there a way to combine others and even possibly more than two or three, etc. Thank you.
Hussam
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Can anyone please suggest the best imagery for vegetation types classification, and best remote sensing or GIS software for such analysis?  Or, how can this classification be done in ArcGIS, if possible?
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hello
 for the monthly vegetation analysis (NDVI) of every year, downlaod Landsat images  (30m)  and since 1984 from GLovis.com, and exactlly image of jun or juley minth , in ordre to have just a permanent véeetation, and for the software, you can use Erdas imagine or Arcgis.
if you need, to analyse monthly  or every two week you can download Modis  since 2011 image (250m)
but you can also use Sentinel-1 images  10 to 20m spatial resolution but since 2014
 goog work
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any good suggestions for Camera Trap data software that can work on a Mac?
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Hi Katrina,
It depends on what you want to study. For density estimation (using my mac) I use SPACECAP and can recommend it. I have also heard great things about SCRbayes (https://sites.google.com/site/spatialcapturerecapture/scrbayes-r-package) for the same purpose. I will probably switch to camtrapR for managing camera trap data. 
Good luck, hope this helps. 
Sam
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1.I have 200 sequences, How to analyze OTU?(97% similariy)
2 . who can send me  DOTUR and MOTHUR? 
3.  which software woud be easizer to grasp? DNAMAN or Clustal x2 ? For DOTUR and MOTHUR are all based on DOS. 
Thanks!
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ghost current status and re write?
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hi,
what is the most accursed way to calculate throughput in computer network? ,know that i use  NS-2 simulator in my research.
thanks 
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Network throughput  is the rate (in bps- bits per sec or  pps - packets per second) at which packets or bits are successfully delivered over a n/w channel. So, we can sum the packets received by all nodes to calculate the value, for a small network or network segment.
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All the field experiments are carrying out by using some statistical designs viz., Randomized Block Design, Split plot design etc. After collecting the data, the results are use to obtain from running old softwares like agres and agdata at my University. If any body having the software which will analysis the data along with interpretation, please share with me, it will be useful for my research.
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spss one of the good software for the above said analysis
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I am analyzing effect of stress in hub by applying pressure on the keyway surface.I am using Ansys software for this analysis.
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Back to the basics.
Check what is your type of loading 1D/2D/3D. E.g. if you have a round bar with axial tension then your Max principal stress will match the axial stress/Equivalent stress. But this is not the case for 2D and 3D loading conditions. E.g. Take example of 2D problem where Sx = 60 MPa, Sy = 40 MPa, Tauxy = 20 MPa,
Then Max principal stress S1=72.36 MPa, Min principal stress S2=27.63 MPa, third principal stress S3=0 MPa,and equivalent stress will be Seq=63.18 MPa. If only Sis present then Max principal stress S1=Equivalent stress Seq=60 MPa.
Don't compare apples with oranges. Equivalent stress is theoretical average stress in interested section of component whereas Max principal stress is actual highest stress in the fibers of component that are at orientation to loading plane.
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Nvivo 11 is the software I am using for my literature review paper and for my literature review chapter in my thesis. Need to understand better this software
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Welcome. What is your research topic.
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I need some survey report on efficiency of software testing process.
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Fault slip-through is a means to assess the overall test process efficiency. 
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I want to know if the runtime in matlab (in windows) is shorter than C++ (in Linux).
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It depends. When a lot of linear algebra is involved in the program, Matlab profits from using optimized ATLAS and MKL libraries, which are remarkably faster than handmade C++ methods.
If you solve an ODE, the stepsize control of Matlab's integrators might reduce the number of steps substantially, such that a C++ integrator can be much slower.
The total time of a program consists of the sum:
  total time = programming time + debug time + documentation time + test time + run time
This means, that you possibly solve a problem much faster in Matlab, because you have less chances to create a bug, which might need hours to find and fix in C++. While you can crash your computer in C++ and have to wait for a restart, this is impossible in Matlab.
Many functions are parallelized in Matlab already, e.g. SUM. So if you process large data sets, you can profit from multi-core processors automatically. Of course you can implement this in C++ also, but it is not as trivial as using Matlab's toolboxes.
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I am a software tester and now researching with Equivalence class. Here, some rules of invalid EC for generating test cases. Can anyone help me to review these rules?
*Rules for Invalid Equivalence Class for generating test case for input program of combinatorial testing*
1. If range is given then
          Invalid EC=2(greater than upper value of range +less than lower value of range).
2. If range is given and last range value is infinity then,
          Invalid EC=1
3. If range is given and first range value is infinity then,
          Invalid EC=1
4. If range is given and first +last range value is infinity then,
          Invalid EC=0
5. For fixed range (value) like string, integer or any combination value
          Invalid EC=Total number of valid class
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Check rule 5 again. What is source of these rules?
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