[R] correlation and causality examples

Andrew Criswell arc at arcriswell.com
Sun Nov 16 18:02:55 CET 2003

Hi all:

And then there's the classic case of higher frequency of cases with 
coronary heart disease in Arizona than NYC.  Does that support the 
hypothesis that cleaner air causes CHD or that those with CHD choose 
Arizona for its cleaner air?


More information about the R-help mailing list