[R] Graphics not working for R in ubuntu

Dear list members, I have installed R in Ubuntu successfully but issuing command like R in terminal will able to see only the R working in command mode, the regular GUI which I use to have in my windows installation of R missing in linux..I am new to linux and so clueless how I can go about that a

[R] Problem in Removing Correlated Columns

Dear all, For removing correlated columns in a data frame,df. I found a code written in R in the page http://cheminfo.informatics.indiana.edu/~rguha/code/R/ of Mr.Rajarshi Guha. The code is # r2test <- function(df, cutoff=0.8) { if (cutoff > 1 || cutoff <= 0) { stop(" 0 <= c

[R] Correlated Columns in data frame

Dear all, Sorry to post my query once again in the list, since I did not get attention from anyone in my previous mail to this list. Now I make it simple here that please give me a code for find out the columns of a dataframe whose correlation coefficient is below a pre-determined threshold. (For