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jcheong0428/interaction03.r

Created December 19, 2019 15:46
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interaction03.r
contrasts(data$Gender) <- c(-.5,.5)
m <- lm('Income~Age*Gender',data=data)
summary(m)
@ShaowenJ
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ShaowenJ commented Aug 16, 2021

Hi Jinhyun, thanks for your blog, I found very helpful.
Actually, I have a question regarding on centered the contrasts at 0, what if I have multiple categorical variables? how should I set them at 0?

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