Hello,

I would like to convert date as a factor to represent time in a repeated
measure situation in the following code. How would I do that?
>  d <- read.csv(file.path(dataDir,"data.csv"), as.is=T,stringsAsFactors =
FALSE)
> d[1:2,]
        id     date         a        b      c         y
1       1 8/6/2008     Red    15     B          22
2       1 8/6/2008   Green   15     B          22
Thank you,
Y

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