> On Oct 4, 2016, at 8:39 AM, mviljamaa <mvilja...@kapsi.fi> wrote:
>
> I'm using lm() for a model that has a predictor that has two values {poika,
> tyttö} (boy and girl in Finnish).
>
> I make a model with this categorical variable:
>
> fit1 <- lm(dta$X.U.FEFF..mpist. ~ dta$sukup + dta$HISEI + dta$SES)
>
> and while the variable/vector is here named as dta$sukup, what lm() returns
> is a coefficient
>
> dta$sukuptyttö
> -6.19756
>
> What does the added 'tyttö' in the variable mean? Does it mean that 'tyttö'
> has been interpreted as 1 and 'poika' as 0?
Yes.
>
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David Winsemius
Alameda, CA, USA
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