2
votes
1answer
387 views

Are there problems with inference using linear regression on observational data with highly skewed distributions of predictor values?

I am using a linear regression model to perform inference on some observational data. The samples are from an observational study and highly skewed along some of the dummy variables in the regression. ...
5
votes
2answers
966 views

GLM on unbalanced design

I have a dataset that comprises 200 males and 250 females and I am testing their responses on the relationship between X and Y. X and Y are continuous and X1 (gender) is categorical. I am using ...