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total_inf
2007 Aug 27
1
Column naming mystery
Hi,
I hope somebody could help me explain what seems
mysterious to me?
I use this line on a dataframe ae:
summaryBy(total_inflated+total~gr1, data=ae, FUN=sum,
na.rm=T)
and it returns 3 columns as expected and columns "gr1"
and "total_inflated.sum"are correct but the
"total.sum" column consists of only zeros which is not
correct. The same happens when I rename the
"total_inflated" t...