Why not use the 'merge' function?
Krzysztof
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-Original Message-
From: jim holtman
Date: Fri, 29 May 2009 20:55:12
To: Juan Carlos Laguardia
Cc:
Subject: Re: [R] code optimization problem ... using or not using "which"
functi
For a start, do all your conversions to character and Date once outside the
loop so you are not doing them for each iteration. Not exactly sure what
you are doing, but it looks like with the 'and's you are only checking for
the rows that are the same. You might want to use a 'match' function like
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