Dear All:

    I want to list all of combination among (a,b,c,d,e,f,g,h). I try to use lp<-ist(A=c(a,b,c,d,e,f,g,h),B=(a,b,c,d,e,f,g,h)....etc.).and then use expand.grid(p). this does not work for the same vector A,B...

    Anyone had this experince?


   Thanks!

   Xin 
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