Hi, all I have a question about permutation, as follow: Take 4 elements from 1 to 8 and list all possible cases. (total is 70) Does any function or example for this problem? Thanks your respone. -snoweye -------------- next part -------------- An HTML attachment was scrubbed... URL: https://stat.ethz.ch/pipermail/r-help/attachments/20010727/14f0c34b/attachment.html