Yes, exactly (heh, heh).
?fisher.test
is probably what is wanted.
For arbitrary rxc tables with fixed marginals, this is a difficult problem.
Mehta's efficient network algorithm to solve it can be found by a web
search on "algorithm for Fisher exact test."
-- Bert
On Fri, Nov 9, 2018 at 12:3
Seems like you are trying to recreate the calculations needed to perform
an exact test. Why not look at the code for that or even easier, just
use the function.
--
David.
On 11/8/18 8:05 PM, li li wrote:
Hi all,
I am trying to list all the 4 by 2 tables with some fixed margins.
For exa
Don't give up on for loops entirely... some of the largest time savings in
optimizing loops are achieved by managing memory effectively. [1]
[1] https://www.r-bloggers.com/r-tip-use-vectormode-list-to-pre-allocate-lists
On November 8, 2018 8:05:39 PM PST, li li wrote:
>Hi all,
> I am trying t
Hi all,
I am trying to list all the 4 by 2 tables with some fixed margins.
For example, consider 4 by 2 tables with row margins 1,2,2,1 and
column margins 3,3. I was able to do it using the code below. However,
as seen below, I had to first count the total number of tables with
the specific row
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