Delete all rows coresponding to given ID

Question

Data overview:

> str(dataStart[c(\"gvkey\",\"DEF\",\"FittedRob\",\"NewCol\")])
\'data.frame\':   1000 obs. of  4 variables:
$ gvkey         : int  1004 1004          


        

Answer 1

You first have to select all gvkey's you want to delete:

keys_to_delete <- unique(NewDataFrame$gvkey[NewDataFrame$NewCol %in% 
    c("Del","Del2")])

And then use these to delete the corresponding rows:

dataStart <- NewDataFrame[!(NewDataFrame$gvkey %in% keys_to_delete), ]