Hello Nasrin,
I think you might be wanting to use
rbind
instead of
merge
....
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On Tue, Nov 9, 2010 at 8:22 PM, Nasrin Pak <astronas...@gmail.com> wrote:
> Hello;
> I have a problem merging data sets. I use this command:
>
> FileNames <- list.files(path="C:/updated_CFL_Rad_files/2007/11",
> full.names=TRUE)
> > dataMerge <- data.frame()
> > for(f in FileNames){
> + ReadInMerge <- read.csv(file=f, header=T, na.strings="NULL")
> + dataMerge <- merge(dataMerge, ReadInMerge,all=T)
> +
> + }
>
> and an error occurs.The size of the data is about 7.5 Mb, I don't know what
> does 221 Mb mean!
>
> Error: cannot allocate vector of size 221.6 Mb
> In addition: Warning messages:
> 1: Reached total allocation of 502Mb: see help(memory.size)
> 2: Reached total allocation of 502Mb: see help(memory.size)
> 3: Reached total allocation of 502Mb: see help(memory.size)
> 4: Reached total allocation of 502Mb: see help(memory.size)
> --
> Sincerely
>
> Nasrin Pak
>
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>
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