[R] Correlations by group

I'm aware that S N Krishna asked the same question. However, I have failed to implement the posted solution for running rank order correlations on multiple subsets of data using the by() function. Here is my problem: Take a set of data from two subjects, who provided numerical infant

Re: [R] Correlations by group

On 7/24/06, Peter J. Lee [EMAIL PROTECTED] wrote: I'm aware that S N Krishna asked the same question. However, I have failed to implement the posted solution for running rank order correlations on multiple subsets of data using the by() function. Here is my problem: Take a set of data from

[R] Correlations by group

Many thanks, your solutions solve a number of my problems (not least weening myself off SAS) Best wishes, Peter _ Peter James Lee Assistant Professor Psikoloji Bölümü Bilkent University Bilkent Ankara Turkey 06800 e-mail: [EMAIL PROTECTED] office: (90) 312 290 1807