R users,
I would like to split this df by month and fac and produce list of sublists
df <-
data.frame(month=as.character(rep(1:3,each=30)),fac=factor(rep(1:2,each=15)),
data1=round(runif(90),2),
data2=round(runif(90),2))
This
split(df, paste(df$month, df$fac))
produces just a single list. Any ideas?
Many thanks,
Lauri
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