Dear R users, I want to extract column's from different data frame with different row length. How can I do this in R? Thank you very much! best regards! CR -- --- Catalin-Constantin ROIBU Lecturer PhD, Forestry engineer Forestry Faculty of Suceava Str. Universitatii no. 13, Suceava, 720229, Romania office phone +4 0230 52 29 78, ext. 531 mobile phone +4 0745 53 18 01 +4 0766 71 76 58 FAX: +4 0230 52 16 64 silvic.usv.ro [[alternative HTML version deleted]]
On 10/17/2013 06:17 PM, catalin roibu wrote:> Dear R users, > > I want to extract column's from different data frame with different row > length. > How can I do this in R? >Hi catalin, If I understand your question, which I think is: I want to extract columns from different data frames with differing numbers of rows and store them in a single object. The answer is probably to use a list: datalist<-list() datalist[[1]]<-dataframe1[,"variable1"] datalist[[2]]<-dataframe2[,"variable3"] ... where each element of "datalist" may have different numbers of values. Jim