search for: tp3556126p3563627

Displaying 1 result from an estimated 1 matches for "tp3556126p3563627".

2011 May 27
4
how to add row index based a categorical column
hello, I have the following data manipulation issue. the following is the sample data: value level 4 A 5 A 2 A 10 B 9 B 34 B 100 C 34 C 101 C. I hope to get the following result: value level rank 2 A 1 4 A 2 5 A 3 9 B 1 10 B 2 34 B 3 34 C 1 100 C 2 101 C. 3 as