This question/topic came up in a discussion with a colleague and I was looking for some opinions on this: I am modeling some data using a random effects logistic regression, more precisely a random ...
I have a question about performing stepwise regression. I realize that there are issues with using stepwise methods, but I have about 30 or so predictors and have constructed an ...
The R documentation for either does not shed much light. All that I can get from this link is that using either one should be fine. What I do not get is why they are not equal. Fact: The stepwise ...
Does anybody know how to plot all AIC values for different size models, when using the command regsubsets from the package ...
I'm brand new to this R thing but am unsure which model to select. I did a stepwise forward regression selecting each variable based on the lowest AIC. I came up with 3 models that I'm unsure which ...