[R] R help

[Erin Hodgess]

Your data set has 5 variables; res$V1, res$V2....etc

When you plot, you need to do:
hist(res$V1)



On Mon, Apr 28, 2008 at 8:47 PM, Debasish Roy <debauck at yahoo.com> wrote:
> I tried to read a dataset and then draw a histogram with a freqeuncy density curve fitted on the top of this.
> I used the command
>
> res <- read.table("C:/Documents and Settings/db/Desktop/res.dat")
> and found
> > res[1:5]
>        V1     V2     V3      V4     V5
> 1 -0.4806 0.5075 0.0491 -0.7985 -0.666
> Then I got the following when I troied to plot it
> > hist(res)
> Error in hist.default(res) : 'x' must be numeric
>
> Even I tried
> > hist(res[,2])
> which is showing a blank plot.
> My suspision is something is wrong in the way the data was read (with V1, V2, V3 etc). Can someone  please help me how to get rid of this problem ?
>
>
>      ____________________________________________________________________________________
> Be a better friend, newshound, and
> know-it-all with Yahoo! Mobile.  Try it now.  http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ
>
> ______________________________________________
> R-help at r-project.org 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.
>



-- 
Erin Hodgess
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
mailto: erinm.hodgess at gmail.com