[R] Mantel Haenszel test

[Jeff Newmiller]

?cor

cor( M, t( M ) )


On September 23, 2023 7:56:29 AM PDT, tgs77m--- via R-help <r-help using r-project.org> wrote:
>Colleagues,
>
>I am trying to write a script for the Mantel Haenszel test.
>
>For the MH test, the test statistic is chi-square (MH) = (W-1) * r^2 
>Where W = sum of the case weights. This is straight forward.
>
>I'm having difficulty with r^2. The r^2 is the squared Pearson correlation
>between row and column variables.
>
>Can anyone give me an example of the code which calculates the squared
>Pearson correlation
>between row and column variables? 
>
>I am at a loss on how to do this.
>
>All the best,
>
>Thomas Subia
>
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-- 
Sent from my phone. Please excuse my brevity.