Message-ID: <alpine.LRH.2.01.0904291045460.19020@homer23.u.washington.edu>
Date: 2009-04-29T17:46:52Z
From: Thomas Lumley
Subject: Out of memory issue
In-Reply-To: <49f6d4ab.c6c1f10a.30ae.ffffdc9a@mx.google.com>
On Tue, 28 Apr 2009, Neotropical bat risk assessments wrote:
>
> Hi again all,
> I can read all of the data is in CSV format with a header row and with
> 1,200,240 rows.
> I can do all the plots and ggplot2 has no problems.
> Seems to be a problem with the MASS package???
> It seems that the contour plots are the problem with the memory error.
> Error: cannot allocate vector of size 228.9 Mb
> I can run smaller data sets and do the contour plots w/o problems.
> The data can not really be summarized as I need to plot the actual values to
> get the insight into the large data sets.
Why can't you divide the plot into, say, four regions with a quarter of
the data and draw contours for each region, and then overlay the printed
output?
-thomas