Influence of COVID on the mental health - Survey?

By this, I mean that we can determine the value of the parameter by equating the first derivative of the maximum likelihood function to zero. But it some cases there is a need to determine its variance. how can we calculate it? Does there exist software to perform such an analysis?

Moreover, if a model contains 2 or more then 2 parameters, then how is the covariance between those parameters calculated?

In our field of research (chemistry), successful PhD research often requires a lot of experimental work in the laboratory. The completion of a PhD usually takes between 3 and 5 years. What's the duration of a PhD in your area?

We use statistical generators to develop families of models or distributions. Why do I need to develop a statistical generator or propose a generalization for a particular distribution?

Dear researchers,

It is very urgent to know for me the basic difference between OLS and maximum likelihood method. 

It is desirable that for the normal distribution of data the values of skewness should be near to 0. What if the values are +/- 3 or above?

Hi everyone, as humanity we go through a great test. Almost all international flights were cancelled. EU closed all its doors. Governments warn their citizens not to go out onto the streets.

How do you spend time in these days? How do you support your resilience? and How do you help others to have a good mental health?

I have gone over many resources to figure out the clear picture about features and Characteristics of construction projects but still I believe the materials that presenting the topic inadequate

To all the project management professionals in the United Kingdom,

Thank you for taking the time to read this post. I'm currently a final year master's student at Birmingham City University doing my dissertation on the topic " An investigation of Generation Z's Project Management leadership Skills in the construction industry in the UK". It would be of great contribution for this industry if you are willing to attend my interview sessions in this month of July. I would highly appreciate it.

Thank you for taking the time to consider this. Please message me if you are interested and I would be more than happy to arrange the interview.

Yours Faithfully,

Aiyesha