Statistics Help @ Talk Stats Forum - Biostatistics
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Epidemiology and biostatistics, public health research. GLM, logistic regression, survival analysis, clinical trials.enWed, 28 Jun 2017 09:46:24 GMTvBulletin60http://www.talkstats.com/images/misc/rss.pngStatistics Help @ Talk Stats Forum - Biostatistics
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Help choosing right statistics
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Mon, 26 Jun 2017 19:58:11 GMTThe experiment consisted of testing the effect of several diets on the weight of fish. I want to check what groups differ from each other. There is...The experiment consisted of testing the effect of several diets on the weight of fish. I want to check what groups differ from each other. There is no homogeneity of variance between groups. Is it correct if i use the Kruskall Wallis test (I have read that the kruskall-wallis should not be used when the variances are different)? I know this test only answer the question " is there a difference" and not " where is the difference". What test can i do after to check where are those difference?
I'm confused with the amount of information i have found.. It sometimes seem it is more a matter of preference than of being right or wrong..
If someone could help me i would be greatly appreciated. I can give more details of the experiment if necessary.
Thanks in advance,
André Barreto
]]>BiostatisticsAndre Barretohttp://www.talkstats.com/showthread.php/69772-Help-choosing-right-statistics