Bruce Willy wrote:
> Hello,
>
> I have imported data from Excel using the command
> cours=read.delim("w:/apprentissage/cours_2.txt")
> after transforming my initial file with tab delimiters
>
> It seemed to work
>
> It is 2-dimensionnal. When I type cours[5,5],
> I get this type of message : "[1] 0,9760942761824 Levels: 0,495628477
> 0,893728761 0,89640592 0,903398558 ... 3,864414217"
> And when I want to multiply it, for example by 2 (cours[5,5]*2), I get :
> "Warning message:* ceci n'est pas pertinent pour des variables facteurs in:
> Ops.factor(cours[5, 5], 2)"
> i.e. approximately "this is not relevant for factor variables.
>
> What can I do if I want to manipulate my variables ?
>
> Thank you very much
You might try the following:
cours <- read.delim("w:/apprentissage/cours_2.txt", dec=",")
See the "dec" argument on the help page for read.delim().
> _________________________________________________________________
>
> stallées directement dans votre Messenger !
>
> [[alternative HTML version deleted]]
>
>
>
> ------------------------------------------------------------------------
>
> ______________________________________________
> [email protected] mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
--
Chuck Cleland, Ph.D.
NDRI, Inc.
71 West 23rd Street, 8th floor
New York, NY 10010
tel: (212) 845-4495 (Tu, Th)
tel: (732) 512-0171 (M, W, F)
fax: (917) 438-0894
______________________________________________
[email protected] mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
