[R] Combination (a large numbers)

Dear All: I try to list all of combination among (a,b,c,d,e,f,g,h,i,j,k).I used a-letters[1:11] . k-letters[1:11] lp-(a,b,.,j) expand.grip(lp) There is error message. It works when the number of letters are reduced to 5. But some of combination is just same

Re: [R] Combination (a large numbers)

Xin jasonshi510 at hotmail.com writes: I try to list all of combination among (a,b,c,d,e,f,g,h,i,j,k) Check function combinations in gtools. Dieter __ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE