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t&source
2009 Feb 27
1
cross tabulation: convert frequencies to percentages
Hello,
might be rather easy for R pros, but I've been searching to the dead
end to ...
twsource.area <- table(twsource, area, useNA="ifany")
gives me a nice cross tabulation of frequencies of two factors, but
now I want to convert to pecentages of those absolute values. In
addition I'd like an extra column and an extra row with absolute sums.
I know, Excel or the likes...