Hello,
I'm trying to introduce myself to ggplot2. I'm using syntax from the help
file, but pasting in my own data. I don't understand the error message I'm
getting. Can anyone clue me in? A Google search of this error statement
didn't return anything I could recognize as useful.
Thanks, Paul
str(d.AD)
'data.frame': 9 obs. of 3 variables:
$ treatment: Factor w/ 3 levels 1,2,3: 1 1 1 2 2 2 3 3 3
$ outcome : Factor w/ 3 levels 1,2,3: 1 2 3 1 2 3 1 2 3
$ counts : num 18 17 15 20 10 20 25 13 12
qplot(d.AD$outcome,d.AD$counts,data=d.AD, facets=.~ d.AD$treatment)
Error in `[.data.frame`(plot$data, , setdiff(cond, names(df)), drop = FALSE) :
undefined columns selected
Paul Prew ⪠Statistician
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