[R] getting R2 (goodness of fit) result after using biglm()

Hello. I had been struggling with running linear regression using lm() primarily because my data has a few categorical variables with at least a thousand levels. I tried the biglm() function and it worked. My problem now is that i don't know how to get the R2 results. Could someone help? Thank

[R] Guidance with PCA and Regression using complex categorical variables

Hello. I need some guidance. I would like to run PCA and regression, and my predictor variables are mainly complex categorical variables (hundred's of levels for some of them). What packages and functions are useful for this? THanks. sean __ R-help@r