MAIL PROTECTED]
Envoye : mardi 15 fevrier 2005 17:41
A : Jacques VESLOT
Cc : R-HELP; [EMAIL PROTECTED]
Objet : Re: [R] Tests on contingency tables
You can test independence via a log-linear model. More importantly, you
can model that dependence and learn something useful about the data.
I do
I forgot to mention a crucial statistical point:
As you are doing this pairwise, remember Simpson's paradox.
or if you don't know about it, Google it (it is not really due to
Simpson, an instance of Stigler's Law of Eponymy).
On Tue, 15 Feb 2005, Prof Brian Ripley wrote:
You can test inde
You can test independence via a log-linear model. More importantly, you
can model that dependence and learn something useful about the data.
I don't see your point here: the two factors are clearly highly dependent:
who cares what the exact p value is? Did you do e.g. a mosaicplot as I
suspe