[R] How to work out 3-way probabilities

[Jeff Brown]

If you're willing to assume independence, multiplication is the way to go:

Pr( a beats b & a beats c) = Pr( a beats b ) * Pr( a beats c )

If you're not willing to assume independence, things can get very weird:
http://en.wikipedia.org/wiki/Arrow's_impossibility_theorem
-- 
View this message in context: http://r.789695.n4.nabble.com/How-to-work-out-3-way-probabilities-tp2067034p2068457.html
Sent from the R help mailing list archive at Nabble.com.