[R] help with replacing all comma in a data frame with a dot
Peter Dalgaard
P.Dalgaard at biostat.ku.dk
Wed Jan 23 17:02:49 CET 2008
Tom Cohen wrote:
> Dear list,
>
> I have imported a spss data file in R, where a comma is used to separate the decimal numbers, e.g. 3,567 instead of 3.567 as in R. How can I replace the comma with a dot for all values in the data frame
>
How did you read the data in the first place (not by read.spss, I expect)?
This is usually more conveniently done on input via the dec= argument to
read.table(), or the dedicated delimited-file readers.
>
> >kk
> a b c d e f
> 1 ,0925199910320613 82523 8 ,855 ,803 ,69
> 2 ,278314161923372 91657 26 1,285 1,032 ,823
> 3 ,278314161923372 91657 26 1,285 1,032 ,823
> 4 ,278314161923372 91657 26 1,285 1,032 ,823
> 5 ,278314161923372 91657 26 1,285 1,032 ,823
> 6 ,278314161923372 91657 26 1,285 1,032 ,823
> 7 ,203740581833404 72026 94 ,479 ,3 ,061
> 8 ,243694169416943 23684 77 1,375 ,437 ,054
> 9 ,3 21857 86 ,829 ,315 ,029
> 10 ,6 111569 93 ,764 ,4 ,076
> 11 ,6 111569 93 ,764 ,4 ,076
> 12 ,6 111569 93 ,764 ,4 ,076
> 13 ,419788431 35744 95 ,44 ,298 ,076
> 14 ,419788431 35744 95 ,44 ,298 ,076
> 16 ,39266161 29098 90 ,361 ,256 ,076
> 17 ,39266161 29098 90 ,361 ,256 ,076
> 18 ,691736472 40135 85 ,864 ,284 ,09
> 19 ,691736472 40135 85 ,864 ,284 ,09
> 20 ,442407817 48673 86 ,44 ,279 ,088
> 24 ,0925199910320613 22482 64 ,104 ,082 ,054
>
> Thanks in advance,
> Tom
>
>
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--
O__ ---- Peter Dalgaard Øster Farimagsgade 5, Entr.B
c/ /'_ --- Dept. of Biostatistics PO Box 2099, 1014 Cph. K
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
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