[R] family question
roger at ysidro.econ.uiuc.edu
Thu Aug 31 00:07:22 CEST 2000
I think that this is explained quite definitively in Feller v1.2nd ed III.6.
...the probability that in families of 10,000 the lead in boys/girls
never changes is about 0.0085.
url: http://www.econ.uiuc.edu Roger Koenker
email roger at ysidro.econ.uiuc.edu Department of Economics
vox: 217-333-4558 University of Illinois
fax: 217-244-6678 Champaign, IL 61820
On 30 Aug 2000, Douglas Bates wrote:
> Actually, no. If you have a large number of families you will see, as
> you describe below, some extremely large families. I simulated
> another 10000 families with a maximum family size of 20000 and got 55
> that would have execeded the maximum size. The trick on the
> population proportions is that each one of those families contributes
> 10000 girls whereas the approximately 5000 families of size 1 only
> contribute a total of 5000 boys to the population. The proportion in
> the population starts to look like the proportion in the extremely ....
r-help mailing list -- Read http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html
Send "info", "help", or "[un]subscribe"
(in the "body", not the subject !) To: r-help-request at stat.math.ethz.ch
More information about the R-help