If you can explain why those particular six combinations out of the
complete set of nine, then perhaps someone can tell you how.
-Don
--
Don MacQueen
Lawrence Livermore National Laboratory
7000 East Ave., L-627
Livermore, CA 94550
925-423-1062
On 6/9/13 10:25 PM, "Gundala Viswanath" <gunda...@gmail.com> wrote:
>I have the following result of expand grid:
>
>> d <- expand.grid(c("x","y","z"),c("x","y","z"))
>
>What I want is to create a combination of strings
>but only the half of the all combinations:
>
> Var1 Var2
>1 x x
>2 y x
>3 y y
>4 z y
>5 x z
>6 z z
>
>
>What's the way to do it?
>
>G.V.
>
> [[alternative HTML version deleted]]
>
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