On May 28, 2010, at 5:58 PM, Christian Schoder wrote:
Dear R-users,
I use firm-level data in panel structure. I would like to drop all
firms that have less than x observations over the time scale in any
of the variables considered. I would appreciate any help that (a)
indicates relevant
Dear R-users,
I use firm-level data in panel structure. I would like to drop all firms that
have less than x observations over the time scale in any of the variables
considered. I would appreciate any help that (a) indicates relevant literature
or websites or (b) indicates the code that could s
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