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genreg
2003 Nov 15
5
correlation and causality examples
Dear All,
I'am looking for examples showing that correlation does not imply
causality, the targeted audience consists of undergraduate students
(their first year at the university but in the BioMathStat track).
All practicals are under R.
I was able to extract this from R datasets:
### begin
data(sunspots)
data(lynx)
spots <- window(sunspots, freq = 1, start = 1880, end = 1900)
lnx <-