On May 10, 2009, at 7:54 PM, David Winsemius wrote:
?subset
?%in%
(I have gotten tired of converting dataframes that are presented in
a non-executable form, such as is supported by the dput function.
So, ... you should read those help pages and take the obvious path
to success.)
Hi everyone! Thank you for the help you have been given to
me, and here I'm with another problem with my dataframes:
I have two dataframes (with much more observations), like
these:
Dataframe1
Firm Year cash
5004002002007 100
5004002002006 200
5004002002005
?subset
?%in%
(I have gotten tired of converting dataframes that are presented in a
non-executable form, such as is supported by the dput function.
So, ... you should read those help pages and take the obvious path to
success.)
Something along the lines of:
subset(df1, Firm %in%
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