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" <dcarlson@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-bounces@r-project.org
>[mailto:r-help-bounces@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.
>

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