Displaying 1 result from an estimated 1 matches for "compff".
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compfn
2002 Jan 30
2
dataframe subset using levels as criteria
Hi
I want to select a subset of a dataframe (frota) using the levels of a
factor (matricula) in another dataframe (logbooks.eda).
The command and output are bellow and it's not working ...
> frota[frota$matricula==levels(logbooks.eda$matricula),]
matricula compff tab potmaq
1 A-1420-C NA NA NA
2 A-1676-C NA 12070 36800
3 A-1954-C 3214 17565 44100
4 A-1961-C 3197 17992 46300
5 A-2011-C 3198 17184 46300
Warning messages:
1: longer object length
is not a multiple of shorter object length in: is.na(e1) | is.na(e2)
2: longer ob...