> On 25 Aug 2017, at 12:04 , Peter Dalgaard <pda...@gmail.com> wrote: > >> There are three possible matrices, and these come out in proportions 1:4:1, >> the one with all cells filled with ones being >> most common. > > ... and > >> dhyper(0:2,2,2,2) > [1] 0.1666667 0.6666667 0.1666667 >> dhyper(0:2,2,2,2) *6 > [1] 1 4 1 > > so that is exactly what you would expect.
And, incidentally, this is the "statistician's socks" puzzle from introductory probability: A statistician has 2 white socks and 2 black socks. Late for work a dark November morning, he puts on two socks at random. What is the probability that he goes to work with different colored socks? -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Office: A 4.23 Email: pd....@cbs.dk Priv: pda...@gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
