Tanveer Ahmad Tarray

Tanveer Ahmad Tarray
Islamic University of Science and Technology · Department of Mathematical Sciences

Doctor of Philosophy

About

67
Publications
12,585
Reads
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351
Citations
Citations since 2016
33 Research Items
272 Citations
20162017201820192020202120220204060
20162017201820192020202120220204060
20162017201820192020202120220204060
20162017201820192020202120220204060
Introduction
Dr. Tanveer Ahmad Tarray currently works at the Department of Mathematical Sciences, Islamic University of Science and Technology. Dr. Tanveer does research in Statistics. Their current project is 'Probabilistic Topic Modelling of Large Text Corpora using Weighted Latent Dirichlet Allocation for theme based information retrieval'.
Additional affiliations
May 2015 - present
Islamic University of Science and Technology
Position
  • Professor (Assistant)
May 2015 - present
Islamic University of Science and Technology
Position
  • Professor (Assistant)
May 2015 - present
Islamic University of Science and Technology
Position
  • Professor (Assistant)
Education
June 2011 - July 2012
Vikram University
Field of study
  • Statistics

Publications

Publications (67)
Article
This article proposes innovative ratio and regression estimators based on additive randomized response model. Expressions for the biases and mean squared errors of the recommended estimators are derived. It has been revealed that the advised groundbreaking ratio and regression estimators are improved than ratio and regression estimators under a ver...
Article
Full-text available
Consider estimating data of failure times under step-stress partially accelerated life tests based on adaptive Type-I hybrid censoring. The mathematical model related to the lifetime of the test units is assumed to follow Rayleigh distribution. The point and interval maximum-likelihood estimations are obtained for distribution parameter and tamperi...
Chapter
This paper advocates a stratified optional mathematical model constructed via Singh and Mathur’s model with comparative and Neyman provision and grander increase in productivity. The delinquent verbalized stays cracked through Lagrange multipliers method, and the optimum allocation is grown. Mathematical artworks stand prearranged in sustenance of...
Article
Full-text available
In this article, we have considered the problem of estimation of population variance on two occasion successive sampling. A class of estimators of population variance has been proposed and its asymptotic properties have been discussed. The proposed class of estimators is compared with the sample variance estimator when there is no matching from the...
Article
A Proficient Optional Randomized Response Model for Estimating a Rare Sensitive Attribute Using Poisson Distribution
Article
Full-text available
Probabilistic topic models like Latent Semantic Indexing (LSI), Latent Dirichlet Allocation (LDA) and Biterm Topic Model (BTM) have been successfully implemented and used in many areas like movie reviews, recommender systems and text summarization etc. These models however become computationally heavy if tested on humongous corpus. Keeping in view...
Conference Paper
Taking the clue from the pioneering work of [1] we have advocated an innovative stratified RR ideal. The belongings of the succumbed stratified RR ideal have been studied under proportional and "Neyman" allocations. Numerical illustrations are also given in provision of the current reading.
Article
Full-text available
The improved classes of difference-type estimators of finite population median by using auxiliary information in simple random sampling and two-phase sampling have been proposed. The expressions for bias and mean square error are derived up to first order of approximation. Efficiency conditions and numerical comparisons reveal that the proposed cla...
Chapter
This edited volume entitled “Bayesian Estimation and Reliability Estimation of Generalized Probability Distributions” is being published for the benefit of researchers and academicians. It contains ten different chapters covering a wide range of topics both in applied mathematics and statistics. The proofs of various theorems and examples have been...
Book
Full-text available
Dear colleagues, I am very pleased to announce the launch of the new issue of the Communications in Advanced Mathematical Sciences-CAMS. The CAMS will continue to be an international journal mainly devoted to the publication of original studies and research papers in all areas of mathematical analysis and its numerous applications. In this ne...
Article
Full-text available
A stratified randomized response model based on R. Singh, Singh, Mangat, and Tracy (1995) improved two-stage randomized response strategy is proposed. It has an optimal allocation and large gain in precision. Conditions are obtained under which the proposed model is more efficient than R. Singh et al. (1995) and H. P. Singh and Tarray (2015) models...
Article
Full-text available
The nitty-gritty of this paper is to estimate the mean of the number of persons possessing a rare sensitive attribute by utilizing the Poisson distribution in stratified survey sampling. It is also shown that the proposed models are more efficient than Lee et al.’s (Statistics 47:575–589, 2013) models in both the cases when the proportion of person...
Article
Full-text available
Background and Objective: Singh and Grewal’s model estimates the population proportion on stratified sampling schemes. The crux of this paper was to develop a new stratified Singh and Grewal’s model using Geometric Distribution. Materials and Methods: The equilibrium point of the model was investigated and a new stratified sampling and stratified d...
Article
Full-text available
Eichhorn & Hayre (1983) considered a randomized response procedure suitable for estimating the mean response, when the sensitive variable under investigation is quantitative in nature. They have obtained an estimate for the mean of the quantitative response variable under investigation and studied its properties. Bar–Lev et al. (2004) have suggeste...
Article
In this paper, the problem of optimal allocation in stratified random sampling is used in the presence of nonresponse. The problem is formulated as a nonlinear programming problem (NLPP) and is solved using Branch and Bound method. Also the results are formulated through LINGO.
Article
The crux of this article is to estimate the mean of the number of persons possessing a rare sensitive attribute based on the Mangat (1991) randomization device by utilizing the Poisson distribution in simple random sampling and stratified sampling. Properties of the proposed randomized response (RR) model have been studied along with recommendation...
Article
This paper applies stratified random sampling using Neyman allocation to Mangat etal. (1992) unrelated question randomized response (RR) strategy for both completely truthful reporting and less than completely truthful reporting. It is shown that, for the prior information given, our new model is more efficient in terms of variance (in the case of...
Article
The crux of this paper is to estimate the mean of the number of persons possessing a rare sensitive attribute based on the Mangat (1992) randomization device by utilizing the Poisson distribution in survey sampling. It is shown that the proposed model is more efficient than Land etal. (2011) when the proportion of persons possessing a rare unrelate...
Article
Taking the clue from the pioneer work of Tarray and Singh (2015) we have suggested a new stratified randomized response model. In this paper the problem of optimal allocation in stratified random sampling where randomized response technique is used in presence of non response. The problem is formulated as a Nonlinear Programming Problem (NLPP) and...
Article
Full-text available
Randomized response models deal with stigmatizing variables appearing in health surveys. Additive and subtractive scrambling in split sample and double response yield unbiased mean and sensitivity estimators of high precision. The split sample method is protective of privacy. The double response method is as protective only conditionally. To achiev...
Article
This paper suggests a new stratified randomized response model based on Kuk's [Biometrika (1990),77,2,pp.436 438] model that has Neyman allocation and considerable gain in precision. It has been identified that the stratified randomized response models due to Kim and Warde (20048. Kim J and Warde W (2004): A stratified Warner randomized response mo...
Article
This paper aimed at providing an efficient new unbiased estimator for estimating the proportion of a potentially sensitive attribute in survey sampling. The suggested randomization device makes use of the means, variances of scrambling variables, and the two scalars lie between zero and one. Thus, the same amount of information has been used at the...
Article
In this article, a new “Partial” randomized response model has been proposed. Its properties are studied both theoretically and empirically. The proposed model is proved to be more efficient than the randomized response models studied by Eichhorn and Hayre (1983 Eichhorn, B.H., Hayre, L.S. (1983). Scrambled randomized response methods for obtaining...
Article
In this article, a new randomized response model has been proposed. The proposed model is found to be more efficient than the randomized response models studied by Singh (201011. Singh S (2010): Proposed optimal orthogonal new additive model (POONAM). Statistica, anno LXX (1), 73–81.View all references). The relative efficiency of the proposed mode...
Article
This paper considers the use of stratified random sampling with proportional as well as Neyman allocations to Singh et al. (200310. Singh S., Horn S., Singh R., and Mangat N.S. (2003): On the use of modified randomization device for estimating the prevalence of a sensitive attribute. Statist. Trans., 6(4), 515–522.View all references) unrelated que...
Article
In this paper, an improved new additive model has been proposed. The proposed model is found to be more efficient than the randomized response models studied by Gjestvang and Singh (2009) and Singh (2010). The relative efficiency of the proposed model has been studied with respect to the Gjestvang and Singh (2009) and Singh (2010) model. It is foun...
Article
The problem of estimating the population proportion possessing a sensitive attribute using simple random sampling with replacement (SRSWR) is advocated. Two new procedures are proposed. The suggested models are more efficient than the Huang (2004) randomized response technique under some realistic conditions. Numerical and graphic illustrations are...
Article
Full-text available
In this article, some new randomized response models have been proposed. Properties of the proposed randomized response models have been studied. The proposed models are found to be more efficient than the randomized response models studied by Himmelfarb and Edgell [1], Gjestvang and Singh [2] and Singh [3] under certain realistic conditions. Numer...
Article
The crux of this paper is to estimate the mean of the number of persons possessing a rare sensitive attribute based on the Singh et al. [1] randomization device by utilizing the Poisson distribution in stratified sampling. This study also deals with the extension of the estimation reported by Singh and Tarray [2] using a Poisson distribution and an...
Article
In this article, we have considered the problem of estimation of population variance on current (second) occasion in two occasion successive (rotation) sampling. A class of estimators of population variance has been proposed and its asymptotic properties have been discussed. The proposed class of estimators is compared with the sample variance esti...
Article
This article addresses the problem of estimating the proportion πS of the population belonging to a sensitive group using optional randomized response technique in stratified sampling based on Mangat model that has proportional and Neyman allocation and larger gain in efficiency. Numerically, it is found that the suggested model is more efficient t...
Article
Full-text available
This paper presents a double sampling version of Yadav and Kadilar (2013) estimator alongwith its properties under large sample approximation. Cost aspect is also discussed. We have compared the proposed estimator with usual unbiased estimator and usual double sampling ratio estimator and shown that the proposed estimator is better than usual unbia...
Article
This paper proposes an alternative two-stage stratified randomized response model based on Tracy and Osahan (1999) model that has an optimal allocation and large gain in precision. It is also shown that the proposed model is more efficient than Kim and Warde (2004) and Kim and Elam (2005) stratified randomized response models under the conditions p...
Article
Full-text available
The crux of this paper is to estimate the mean of the number of persons possessing a rare sensitive attribute based on Singh et al. [24] randomization device by utilizing the Poisson distribution in survey sampling. It is also shown that the proposed models are more efficient than Land et al. [6] in both the cases when the proportion of persons pos...
Article
Full-text available
In this paper, a simple and obvious procedure is presented that allows to estimate the population proportion π possessing sensitive attribute using simple random sampling with replacement (SRSWR). In addition to T, the probability that a respondent truthfully states that he or she bears a sensitive character when experienced in a direct response su...
Article
In this paper we have suggested a class of unbiased estimators of, the proportion of respondents possessing a sensitive attribute A using mixed randomized response (RR) model. The variance of the proposed class of estimators has been obtained. In addition to Kim and Warde's (2005)12. Kim JM and Warde WD (2005): A mixed randomized response model. Jo...
Article
Full-text available
In this paper, a simple and obvious procedure is presented that allows to estimate the population proportion Pi possessing sensitive attribute using simple random sampling with replacement (SRSWR). In addition to T, the probability that a respondent truthfully states that he or she bears a sensitive character when experienced in a direct response s...
Article
This paper proposes two - stage stratified partial randomized response models based on Tracy and Osahan (1995) model and have large gain in precision. It is also shown that the proposed models are more efficient than Kim and Warde (2004) and Kim and Elam (2005) stratified randomized response models under the conditions presented in the case of comp...
Article
Full-text available
Taking the clue from the pioneer work of Singh and Sedory (201316. Singh S. and Sedory S.A. (2013): A new randomized response device for sensitive characteristics: an application of the negative hypergeometric distribution. Metron,71,3–8.View all references) we have suggested a new stratified randomized response model. The properties of the suggest...
Article
Full-text available
This paper proposes classes of estimators for the mean of sensitive variable utilizing information on a non – sensitive auxiliary variable. Expressions for the biases and mean square errors of the suggested estimators correct up to first order of approximation are derived. It has been shown that the suggested new class of estimators based on the kn...
Article
This paper addresses the problem of estimating the population mean of the study variable using auxiliary information in double sampling. We have suggested a class of estimators of population mean in double sampling. It has been shown that the estimator due to Khatua and Mishra (2013) is a member of the proposed class. We have obtained the bias and...
Article
Full-text available
This paper suggests a stratified optional randomized response model based on Mangat and Singh (1994) model that has proportional and optimal allocation and larger gain in efficiency. Numerically it is found that the suggested model is more efficient than Kim and Warde (2004) stratified randomized response model and Mangat and Singh (1994) model. Gr...
Article
Full-text available
This paper addresses the problem of estimating the proportion πS of the population having some sensitive characteristics using stratified randomize response model based on Warner’s model. We have suggested a class of estimators for the population proportion πS using Searls (1965) technique. It is shown that under certain conditions the proposed cla...
Article
Full-text available
In this article, we have suggested a new modified mixed randomized response (RR) model and studied its properties. It is shown that the proposed mixed RR model is always more efficient than the Kim and Warde’s mixed RR model. The proposed mixed RR model has also been extended to stratified sampling. Numerical illustrations and graphical representat...
Article
Full-text available
This paper applies stratified random sampling using Neyman allocation to Mangat et al.(199212. Mangat NS, Singh R and Singh S (1992): An improved unrelated question randomized response strategy. Cal. Statist. Assoc. Bull. 42, 277–281.View all references) unrelated question randomized response strategy for both completely truthful reporting and less...
Article
Full-text available
In this paper a new randomized response model has been proposed. The theoretical properties of the proposed model have been studied. Comparisons of the proposed model with the existing additive models have been made. It is found that the proposed model is superior to the existing additive model under very realistic condition. Numerical illustration...
Article
The crux of this paper is to estimating the mean of the number of persons possessing a rare sensitive attribute based on Mangat (199213. Mangat N.S. (1992): Two stage reandomized response sampling procedure using unrelated question. Jour. Ind. Soc. Agril. Statist., 44 (1),82–87.View all references) randomization device by utilizing the Poisson dist...
Article
Full-text available
The present study considers the use of stratified random sampling with Neyman allocation to Mangat (Jour. Ind. Soc. Agril. Statist. 44, 82-87, 1992) unrelated question randomized response strategy for completely truthful reporting. It has been shown that, for the prior information given, our new model is more efficient in terms of variance (in the...
Article
Full-text available
The quest of this paper is to propose an improved mixed randomized response model for estimating the proportion of sensitive attribute π-{S} in the population. Mangat et al. [17] and Singh et al. [28] pointed out the privacy problem with the Moors [18] model. However their models may lose a large portion of data information and require a high cost...
Article
The present study considers the use of stratified random sampling with Neyman allocation to Mangat (Jour. Ind. Soc. Agril. Statist. 44, 82–87, 1992) unrelated question randomized response strategy for completely truthful reporting. It has been shown that, for the prior information given, our new model is more efficient in terms of variance (in the...
Article
In successive sampling, the use of auxiliary information for estimation of population mean on current occasion’s, is a well explored area. In the present work, the information on an auxiliary variable, which is available on both the occasions, is used along with the information on the study variable from the previous occasion and the current occasi...
Article
Full-text available
When open or direct surveys are about sensitive matters (e.g. gambling habits, addiction to drug and others intoxicants, alcoholism, proneness to tax invasion, induced abortions, drunken driving, history of past involvement in crimes, and homosexuality), non-response bias and response bias become serious problems because people oftentimes do not wi...
Article
Full-text available
When open or direct surveys are about sensitive matters (e.g. gambling habits, addiction to drug and others intoxicants, alcoholism, proneness to tax invasion, induced abortions, drunken driving, history of past involvement in crimes, and homosexuality), non-response bias and response bias become serious problems because people oftentimes do not wi...
Article
Full-text available
The paper proposes two mixed randomized response techniques as an alternative to the Kim and Warde’s (2005) randomized response technique. The properties of the models have been studied and found that the proposed mixed randomized response models are better than the Kim and Warde’s (2005) mixed randomized response models in some realistic situation...
Article
Full-text available
This paper proposes an alternative stratified randomized response model based on the model of Singh and Joarder (1997). It is shown numerically that the proposed stratified randomized response model is more efficient than Hong et al. (1994) (under proportional allocation) and Kim and Warde (2004) (under optimum allocation).

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