search for: tp26378194p26378404

Displaying 1 result from an estimated 1 matches for "tp26378194p26378404".

2009 Nov 16
8
extracting the last row of each group in a data frame
Hi, I would like to extract the last row of each group in a data frame. The data frame is as follows Name Value A 1 A 2 A 3 B 4 B 8 C 2 D 3 I would like to get a data frame as Name Value A 3 B 8 C 2 D 3 Thank you for your suggestions in advance Jeff