> I have a list which consists of data frames (all data frames have the
same
> amount and type of columns but different length).
> Now, I'd like to calculate for each data frame in the list the
> density function
> of the values of the fist column ($V1).
>
> This list could be an example:
>
> l <- list( data.frame(rnorm(100)), data.frame(rnorm(20)), data.
> frame(rnorm(200)) )
If you want to do the same thing to every element of a list, lapply (or
sapply) is your friend.
Try:
lapply(l, function(x) density(x[,1]))
Regards,
Richie.
Mathematical Sciences Unit
HSL
------------------------------------------------------------------------
ATTENTION:
This message contains privileged and confidential inform...{{dropped:20}}
______________________________________________
R-help@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.
