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2011 Sep 13
1
stupid lm() question
...crease~.,data=OrchardSprays) Rgames> model Call: lm(formula = decrease ~ ., data = OrchardSprays) Coefficients: (Intercept) rowpos colpos treatmentB treatmentC 22.705 -2.784 -1.234 3.000 20.625 treatmentD treatmentE treatmentF treatmentG treatmentH 30.375 58.500 64.375 63.875 85.625 Rgames> levels(OrchardSprays$treatment) #just double-checking... [1] "A" "B" "C" "D" "E" "F" "G" "H" So: why isn't there a value for the level...