I'll bite.
1. yes
2. no
3. yes
4. yes
5. yes
Rich Neapolitan wrote:
Let's have some fun in this group again instead of just posting about
conferences, post docs, and new books, etc. I offer you this quiz about
the use of the Bonferroni (or any other) correction:
I have 1,000,000 hypotheses that are not mutually exclusive.
1. I test them all. Do I apply the Bonferroni correction?
2. I plan to test them all, but I run out of resources after testing
only one of them. Do I apply the Bonferroni correction?
3. I test one of them, and a year later test the others. Do I apply the
Bonferroni correction to the one tested early? If so, when?
4. I only test the first one because that is the one I suspect. Do I
apply the Bonferroni correction?
5. I run an algorithm that prunes unlikely hypotheses. I end up testing
only 100,000. Do I apply the Bonferroni correction for 100,000 or for
1,000,000 hypotheses.
I have two colleagues who make their living as statisticians, one is a
good Bayesian and the other a good frequentist (oxymoron?). They both
have different answers, and neither agrees with me. It would be
interesting to learn how some of you view this matter.
Best,
Rich
Rich Neapolitan
Professor and Chair of Computer Science
Northeastern Illinois University
5500 N. St. Louis
Chicago, Il 60625
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