On 11/27/03 17:04, [EMAIL PROTECTED] wrote: >Hello, > >I'm looking for some guidance with the following problem: > >I've 2 samples A (111 items) and B (10 items) drawn from the same unknown >population. Witihn A I find 9 "positives" and in B 0 positives. I'd like to >know if the 2 samples A and B are different, ie is there a way to find out >whether the number of "positives" is significantly different in A and B? > >I'm currently using prop.test, but unfortunately some of my data contains >less than 5 items in a group (like in the example above), and the test >statistics may not hold:
fisher.test in the ctest package, which loads automatically. -- Jonathan Baron, Professor of Psychology, University of Pennsylvania Home page: http://www.sas.upenn.edu/~baron ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help