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Rev 61160 Rev 61168
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lm.D9 <- lm(weight ~ group)
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lm.D9 <- lm(weight ~ group)
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lm.D9
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lm.D9
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summary(lm.D90 <- update(lm.D9, . ~ . - 1))
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summary(lm.D90 <- update(lm.D9, . ~ . - 1))
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options(contrasts = c("contr.helmert", "contr.poly"))
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options(contrasts = c("contr.helmert", "contr.poly"))
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update(lm.D9)
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update(lm.D9)
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getCall(lm.D90)# "through the origin"
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getCall(lm.D90)  # "through the origin"
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options(oldcon)
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options(oldcon)
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}
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}
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\keyword{models}
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\keyword{models}