Displaying 1 result from an estimated 1 matches for "356545".
Did you mean:
35645
2010 Jul 22
4
Drop firms in unbalanced panel if not more than 5 observations in consecutive years for all variables
Dear R-user,
a few weeks ago I consulted the list-serve with a similar question.
However, my task changed a little but sufficiently to get lost again. So
I would appreciate any help on the following issue.
I use the plm package and work with firm-level data in a panel. I would
like to eliminate all firms that do not fulfill the requirement of
having an observation in every variable used for at