Chuck, thank you, but I am not sure I understood what you meant.
There are a lot of rows in index where at least 2 columns have equal
values and a lot of rows where column 1 has 2 and some other column
has 5 - same for 3 in column 1 and 6 in some other column, etc.
Thanks a lot for clarifying!
Hello, dear R'ers,
index-expand.grid(1:7,1:4,1:4,1:4,1:4,1:4,1:4,1:4,1:4,1:4,1:4)
In this case, dim(index) is 7,340,032 (!) and 11.
I realize it's huge.
Then, I am trying to get rid of the undesired combinations of columns.
They should not contain identical values in any 2 columns.
Also if
On Tue, 22 Sep 2009, Dimitri Liakhovitski wrote:
Hello, dear R'ers,
index-expand.grid(1:7,1:4,1:4,1:4,1:4,1:4,1:4,1:4,1:4,1:4,1:4)
In this case, dim(index) is 7,340,032 (!) and 11.
I realize it's huge.
Then, I am trying to get rid of the undesired combinations of columns.
They should not
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