Zeinab Elrashidy

4 Questions 11 Answers 0 Followers

Questions related from Zeinab Elrashidy

Does a high p-value of the Wald Chi-square of a logistic regression model represent a good indicator of goodness of fit?

I want to test the goodness of fit of a logistic regression model (I am using R). I run a Wald Chi-square test and got the test statistic and its p-value. I am confused on how to judge the results...

26 July 2021 6,650 6 View

How to compare coefficients of two logistic regression models using R?

I am trying to model the effect of an event on the odds ratio using logistic regression. So I have 4 months before and 4 months after the event. The data is pooled cross sectional, so I have one...

06 July 2021 9,220 11 View

How to create a combination of dummy variables into a single variable in a logistic regression model in R?

I need to create possible combinations of 3 dummy variables into one categorical variable in a logistic regression using R. I made the combination manually just like the...

06 July 2021 9,977 3 View

What is the difference between moderation and difference-in-difference?

I need help in understanding whether difference-in-difference or moderation is more suitable to test the effect of an event on the odds ratio in a logistic regression model. Thank you.

06 July 2021 4,605 4 View