Correct. You do not seem to understand MCA very well. You have selected to remove all of the variables from the analysis and then project them into the space defined by the remaining variables - and there are NO remaining variables.
------------------------------------- David L Carlson Associate Professor of Anthropology Texas A&M University College Station, TX 77840-4352 From: meng [mailto:laomen...@163.com] Sent: Monday, June 3, 2013 8:55 PM To: dcarl...@tamu.edu Cc: 'R help' Subject: Re:RE: [R] error about MCA Yes,I DO select all of the variables as quanti.sup and quali.sup. >From your words,it seems that the quanti.sup and quali.sup. are not parts of the original variables,but are "estimated" from the other variables? Many thanks. At 2013-06-03 21:54:59,"David Carlson" <dcarl...@tamu.edu <mailto:dcarl...@tamu.edu> > wrote: >Probably because you have defined all of the variables as >supplemental. These will then be estimated from the other variables, >but there are no other variables. > >----------------------------------- >David L Carlson >Associate Professor of Anthropology >Texas A&M University >College Station, TX 77840-4352 > >-----Original Message----- >From: r-help-boun...@r-project.org <mailto:r-help-boun...@r-project.org> >[mailto:r-help-boun...@r-project.org] On Behalf Of meng >Sent: Saturday, June 1, 2013 10:03 AM >To: R help >Subject: [R] error about MCA > >Hi,all: >I want to perform multiple correspondance analysis via >MCA{FactoMineR}. >The data is in the attachment. > >My code: >dat<-read.delim("e:\\mydata.txt",header=T) >MCA(dat,quanti.sup=7,quali.sup=1:6) >Error in `[.data.frame`(tab, , i) : undefined columns selected > >My question: >Why does the error happen? > >Many thanks. > >Best. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.