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2011 Jun 19
4
For loop by factor.
...ious value to the 'next value' is greater than 'previous value'. So basically the data.frame would look like: a 3 a 2 a 1 b 3 b 2 c 3 c 3 c 1 c 1 Thanks for your help! __________________________________ Christopher P. Peters Research Associate Center for Energy Studies http://www.enrg.lsu.edu/staff/peters Energy, Coast & Environment Building Louisiana State University Baton Rouge, LA 70803 Telephone: 225-578-4400 Fax: 225-578-4541 [[alternative HTML version deleted]]