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cochran-armitage trend test
Goes back to the Forties or Fifties. My copy or Statistical Methods in
Medical Research describes it, gives a justification, and cites:
Armitage (1955) "Tests for linear trends in proportions and
frequencies." Biometrics, 11, 375-386.
My copy of Sne
To the R-help list,
In the documentation of the prop.trend.test function in the
stats package, no bibliography has been provided which
would allow one to find out the theoretical basis of that
function and/or details of its implementation.
May I suggest that some bibliography be included, as it
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