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2011 Nov 29
2
quick ANOVA question
Hello, imagine the following experimental design: Group - Value control - 5 control - 6 control - 5 treated1 - 8 treated1 - 9 treated1 - 9 treated2 - 15 treated2 - 16 treated2 - 15 treated3 - 25 treated3 - 30 treated3 - 28 What I like to know is if I apply an ANOVA to this data and choose the control group as the reference group (using the relevel function) what groups exactly are compared? Are only all treated groups 1, 2, 3 tested against the control group or are all possible com...