Tagged Questions
0
votes
1answer
74 views
Rank data from 1 to N (N may not be equal to number of elements in the dataset)
I calculate percentile ranks based on the method at http://www.psychstat.missouristate.edu/introbook/sbk14m.htm
I need to assign ranks to a dataset where ranks are ...
0
votes
1answer
35 views
How to assign ranks given the distribution above mean?
Say I have the following data,
% students below average in math: S1
% of students at proficient level in math: S2
% of students at above proficient level: S3
S1 + S2 + S3 = 100%
If I have this ...
1
vote
2answers
50 views
Calculate how big a variable is in relation to others
This will sound weird, but I'm trying to calculate something that I don't know the name.
I want to calculate how big/low a variable is in relation to the others. Like Google webmaster tools says ...
3
votes
2answers
2k views
Computing percentile rank in R
How can I add new variable into data frame which will be percentile rank of one of the variables? I can do this in Excel easily, but I really want to do that in R.
Thanks
