[R] pairs of numbers

Hi, I have two lists of numbers which are both 1,2,3,4. I would like to combine pairs so that I have: 1,2 1,3 1,4 2,3 2,4 3,4. I know that expand.grid() can give me all combinations of pairs. Any suggestions would be much appreciated. Emma -- View this message in context:

Re: [R] pairs of numbers

I have solved my problem using: x-1:4 x [1] 1 2 3 4 combn(x,2) [,1] [,2] [,3] [,4] [,5] [,6] [1,]111223 [2,]234344 Thanks Emma emj83 wrote: Hi, I have two lists of numbers which are both 1,2,3,4. I would like to combine pairs so