[R] List of data frames...
Peter Dalgaard
p.dalgaard at biostat.ku.dk
Thu May 13 21:00:09 CEST 2004
Rheaume.Pascal at hydro.qc.ca writes:
> Hi,
>
> I would like to create a list of data frames that I could access via index
> manipulation. An array pointer of dataframe...
>
> for (i in 1:length(InputFilelist))
> {
> # create data.frame
> temp <- read.table (file = InputFilelist[i] , header = T, skip = 4)
> # append data.frame
> InputDataFrame <<- list(InputDataFrame,temp)
> }
>
> Thanks in advance !
You don't want to extend the list on every iteration (it involves
copying the current contents!).
Try this:
lapply(InputFilelist, read.table, header=TRUE, skip=4)
--
O__ ---- Peter Dalgaard Blegdamsvej 3
c/ /'_ --- Dept. of Biostatistics 2200 Cph. N
(*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk) FAX: (+45) 35327907
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