search for: data_unique

Displaying 1 result from an estimated 1 matches for "data_unique".

2007 Feb 02
2
Dealing with Duplicates - How to count instances?
Hi there, given a data.frame 'data' I managed to filter out entries (rows) that are identical with respect to one column like so: duplicity <- duplicated(data[column]) data_unique <- subset(data,duplicity!=TRUE) But I'm trying to extract how many duplicates each of the remaining rows had. Can someone please send me down the right path for this? Joh