search for: f2cc

Displaying 1 result from an estimated 1 matches for "f2cc".

Did you mean: 72cc
2009 Jun 20
1
how to apply the dummy coding rule in a dataframe with complete factor levels to another dataframe with incomplete factor levels?
Dear R helpers: Sorry to bother for a basic question about model.matrix. Basically, I want to apply the dummy coding rule in a dataframe with complete factor levels to another dataframe with incomplete factor levels. I used model.matrix, but could not get what I want. The following is an example. #Suppose I have two dataframe A and B