[R] exact trend test
lists at dewey.myzen.co.uk
Thu Jan 7 12:53:44 CET 2016
Have you tried Google?
exact randomisation trend test r
finds what look like clearly relevant packages
On 07/01/2016 04:16, li li wrote:
> Hi all,
> Is there an R function that does exact randomization trend test?
> For example, consider the 2 by 5 contingency table below:
> dose0 dose 0.15 dose 0.5 dose 1.5 dose 5 row
> Yes 4 3 4 5
> 8 24
> No 4 5 4 3
> 0 16
> col sum 8 8 8 8
> 8 40
> To do the exact trend test, we need to enumerate all the contingency table
> with the
> row and column margins fixed. Find the probability corresponding to
> the corresponding contingency tables based on the multivariate
> hypergeometric distribution. Finally the pvalue is obtained by adding
> relevant probabilities.
> Is there an R function that does this? if not, I am wondering whether it is
> possible to
> enumerate all possible contingency tables that has column sun and row sum
> Thanks very much!!
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