Nothing
GaltonBoys <-
GaltonBoys %>%
mutate(zheight = zscore(height),
zmidparent = zscore(midparent)
)
Galtonz.lm <- lm(zheight ~ zmidparent, data = GaltonBoys)
coef(Galtonz.lm)
gf_lm(zheight ~ zmidparent, data = GaltonBoys) %>%
gf_jitter(alpha = 0.4) %>%
gf_abline(slope = 1, intercept = 0, alpha = 0.4)
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