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Dear all, i just wonder if there´s a way to use a two column time index field in plm package. the manual says the following concerning data indexing: a character vector of length two containing the names of the individual and the time index, What would y´all do with a quarterly dataset that contains one column for the period and one for the year. Do I have to convert it to one single date

...uentially: no parallel backend registered When I change the variable names, caret gives me predictions as a numeric value corresponding to the ordered level. Have I missed something here? Thanks, Juliet # start example library(caret) # to obtain data library(rda) data(colon) # add colnames myind <- seq(1:ncol(colon.x)) mynames <- paste("A",myind,sep="") colnames(colon.x) <- mynames outcome <- factor(as.character(colon.y),levels=c("1","2")) cv_index <- 1:length(outcome) predictions <- rep(-1,length(cv_index)) pamGrid <- seq(0....