Gary W <g.watmough <at> gmail.com> writes:
>
>
> Hi ben
>
> Thanks for that, the density lines have now worked, however i was hoping
> that the labels would be the names of the columns in my original data set
> not numeric. any advice how to do this?
>
> gary w
>
mapply(function(v,n) {
hist(v,prob=TRUE,main=paste("Histogram of",n),xlab=n)
lines(density(v),lwd=2)
},
variables,
variablenames)
Or the loop equivalent.
There are also slick ways of doing this with the lattice
package (and getting a nice one-page layout of your
graphs), if you "melt" your data frame first with
the command from the reshape package.
Ben Bolker
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