[R] syntaxe problem

Peter Langfelder peter.langfelder at gmail.com
Sat Feb 25 00:52:05 CET 2012


On Fri, Feb 24, 2012 at 3:47 PM, Adel ESSAFI <adelessafi at gmail.com> wrote:
> Hello,
> I want to create 10 dataframe  using a for loop.
> I don t know what to do to create 10 different dataframes whose name is
> parametrized with variable i.
> This syntaxe fails. It create a unique fataframe called dfn.
> Any input will help
> Thanks
>
>>  for (i in 1:10){
> + filename=paste("avail4",i,sep = "_")
> + dfn=read.table(filename)
> + }

You may want to create a list of 10 data frames.

dfn = list();

 for (i in 1:10){
filename=paste("avail4",i,sep = "_")
dfn[[i]]=read.table(filename)
}

This way dfn[[1]] will be the data frame read from the first file,
dfn[[2]] from the second file etc.

Hope this helps,

Peter



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