[R] Maximum number of tables combined with rbind
gug
guygreen at netvigator.com
Sat Jun 20 14:49:04 CEST 2009
Thanks David - you're right, "PC" is not very informative. I am using XP
Home with 4GB, though I don't think XP accesses more than 3GB.
>From following through the FAQ's and memory functions (e.g.
"memory.limit(size = NA)") it looks like R is getting about 1535Mb at the
moment.
David Winsemius wrote:
>
>> My question is: What is the maximum number of tables that can be
>> combined
>> with rbind?
>> Is it driven by the number of rows in the tables, by a constraint with
>> the
>> syntax of rbind itself, by my PC's memory,
>
> Yes, and the OS. "PC" is not a useful designation for an OS.
>
>> or by some other constraint? At this point the data files I am reading
>> in are approx 2,500 rows x 150
>> columns.
>
> That should not be any problem. On an Intel-Mac w/ 8 GB there is no
> problem with dataframes that are 500 times that size.
>
> If this is on a Windows box, there is an RW-FAQ on the topic.
>
> David Winsemius, MD
> Heritage Laboratories
> West Hartford, CT
>
>
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