Alberto Vieira Ferreira Monteiro wrote: > Theo Borm wrote: > >>Think of a sort of "power roulette", played with 58 balls >>simultaneously, with a wheel containing 36 red/black slots of unequal >>size, and 1 green slot. I need to calculate the probability that each of >>the 36 red/black slots contains at least one ball. >> > > Ah, now we come to a more precise problem :-) > > >>I have a hunch that it won't work as my p vector typically contains >>values like: >> >>p<-c(0.99, 0.005, 0.003, 0.001, 0.0005, 0.0003, 0.0001, 0.00005, >>0.00003, 0.00002). >> > > So you should expect that only 1/50000 will be in the low-prob > hole in the average? >
Or less. And normally I'll have 30-60 holes, with the "remainder" hole containing > 98% of the events. > Hmmm.... That's right. No way to do a Monte Carlo here! Yes. Its back to square one for me. Maybe I should get a bigger computer. I heard that IBM is selling some quite fancy stuff.... http://www.top500.org/list/2006/11/100 Would probably be quite a challenge to coerce R to run on such a machine ;-) Cheers, Theo ______________________________________________ [email protected] mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
