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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