Might there be a limit ?
c - matrix(1:1, ncol=200)
dim(c)
[1] 50200
c - matrix(1:10, ncol=200)
Error: cannot allocate vector of size 3.7 Gb
-
A R learner.
--
View this message in context:
You are trying to create an object with 1G elements. Given that these
are integers, this will require about 4GB of space. If you are
running on a 32-bit system, which has a total phyical limit of 2-3GB
depending on what options you are running (at least on Windows), then
you have exceeded the
Hello Jim,
It sounds like a good time to go read about the packages
bigmemory
and/or
ff
Best,
Tal
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Dear R helpers,
I created a somewhat big database (+206,700 rows) in MySQL and have
exported into a csv file, but I can't open the whole thing in R. I am
using:
base-read.csv(/path/to/file.csv, header=F, sep=, nrows=206720)
R doesn't complain but it only opens 128,328 observations (the number
Alex Ruiz E. wrote:
Dear R helpers,
I created a somewhat big database (+206,700 rows) in MySQL and have
exported into a csv file, but I can't open the whole thing in R. I am
using:
base-read.csv(/path/to/file.csv, header=F, sep=, nrows=206720)
R doesn't complain but it only opens 128,328
You might also try setting the following parameters on read.csv:
comment.char='', quote=''
If you have a #, this might cause missing data; also an unbalanced
quote will cause missing lines.
On Sat, May 22, 2010 at 2:12 AM, Erik Iverson er...@ccbr.umn.edu wrote:
Alex Ruiz E. wrote:
Dear R
Hi thank you both for your answers.
I did verify that the number of rows in the csv is actually ~207,000,
both in the MySQL output and then directly in the csv file. The line
128328 looks exactly as all others above and below.
I tried the comment.char and quote parameters and it turns out that
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