[R] Help needed

From: cherub <cherub2life_at_yahoo.com>
Date: Tue 24 Oct 2006 - 19:51:55 GMT

I tried to use "paneliperf" in package SensoMinR, I imported my data "Choco" , my data looked like exactly same with data "sensochoc" in this package. the only difference is the value.    

  I tried to run the code, res<-paneliperf(choco, formul = "~Product+Panelist+Session+   Product:Panelist+Product:Session+Panelist:Session", formul.j = "~Product", col.j = 1, firstvar = 5, synthesis = TRUE),    

  the error message is
"Error in `[.data.frame`(aux, 1, 5) : undefined columns selected"    

  What is that , how to fix that?    

  Thank a lot.                  

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