[R] about intersection set and union set

Hello sir: group1:1,2,3,4 group2:1,3,4,5 group3:2,4,8,9 .. ... group1000:9,3,8,2 I wanna get the intersection set and union set. I've tried command setdiffand union,but only two groups is permited.How can I deal with multi groups to find the intersection set and union set? Thanks a

Re: [R] about intersection set and union set

This was just discussed recently. See the following thread: http://tolstoy.newcastle.edu.au/R/help/06/04/24923.html On 4/18/06, XinMeng [EMAIL PROTECTED] wrote: Hello sir: group1:1,2,3,4 group2:1,3,4,5 group3:2,4,8,9 .. ... group1000:9,3,8,2 I wanna get the intersection set and union