T-test with bonferroni correction
in [Matlab]
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From: Ankita on 17 Sep 2009 12:24 Hello, I need a small with the T-test with bonferroni correction. In the file " ttest_bonf.m" what is the NUMSUBJECTS and NUMTREATMENTS in the matrix X.Could you please explain me the matrix X in details. Thanking you.
From: Wayne King on 17 Sep 2009 12:47 "Ankita " <bioinfo.009(a)gmail.com> wrote in message <h8tnr2$d2l$1(a)fred.mathworks.com>... > Hello, > I need a small with the T-test with bonferroni correction. In the file " ttest_bonf.m" > what is the NUMSUBJECTS and NUMTREATMENTS in the matrix X.Could you please explain me the matrix X in details. > Thanking you. Hi Anitka, ttest_bonf.m must be an M-file that somebody has written. I see a file on the exhange called ttest_bonf.m but I'm not sure that is the file you are using. If you have the statistics toolbox, you can use ttest2() and adjust the input argument alpha depending on how many t-tests you are performing. If you do not have the statistics toolbox, perhaps you can post just the help portion of your M-file ttest_bonf.m to make sure it is the same file as the one on the file exchange. Wayne
From: Peter Perkins on 17 Sep 2009 17:58 Wayne King wrote: > Hi Anitka, ttest_bonf.m must be an M-file that somebody has written. I see a file on the exhange called ttest_bonf.m but I'm not sure that is the file you are using. If you have the statistics toolbox, you can use ttest2() and adjust the input argument alpha depending on how many t-tests you are performing. If you do not have the statistics toolbox, perhaps you can post just the help portion of your M-file ttest_bonf.m to make sure it is the same file as the one on the file exchange. In addition to Wayne's suggestion, it's likely that you could use the MULTCOMPARE function the the Statistics Toolbox. Hope this helps.
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