[R] Replacing all NA values in a matrix

[michael watson (IAH-C)]

Doh, replace() does the job just fine.
Sheesh, I'm not coping well with work post christmas ;-)

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of michael watson
(IAH-C)
Sent: 05 January 2005 14:26
To: R-help at stat.math.ethz.ch
Subject: [R] Replacing all NA values in a matrix


OK, dumb question, and it is probably in the docs somewhere, but after
12 months working with R and quite a while looking at the docs, I still
don't know (or have forgotten) how to replace all NA values in a matrix
at once with some other value.  I can do it column by column using
is.na(), but I can't figure out how to do it for the whole matrix.  My
apologies, I am ashamed ;-)

Michael Watson
Head of Informatics
Institute for Animal Health,
Compton Laboratory,
Compton,
Newbury,
Berkshire RG20 7NN
UK

Phone : +44 (0)1635 578411 ext. 2535
Mobile: +44 (0)7990 827831
E-mail: michael.watson at bbsrc.ac.uk

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