[R] comma as a seperator to numeric

[Ivan Calandra]

Hi Mat,

You could first replace your commas with points using gsub().
Or you could import your data differently (using read.csv2() for example)

See ?gsub and ?read.csv

HTH,
Ivan

--
Ivan CALANDRA
Université de Bourgogne
UMR CNRS/uB 6282 Biogéosciences
6 Boulevard Gabriel
21000 Dijon, FRANCE
+33(0)3.80.39.63.06
ivan.calandra at u-bourgogne.fr
http://biogeosciences.u-bourgogne.fr/calandra

Le 28/11/12 09:03, Mat a écrit :
> Hello together,
>
> i have a big problem, to convert a column in my data.frame to numeric.
>
> I have:
> 61,13 in the column and write:
> data$PT_DL<-as.numeric(as.character(data$PT_DL))
>
> the result is NA, not a point seperated number.
>
> How can i change the data to an as.numeric number?
>
> Thank you for your help.
>
> Mat
>
>
>
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