diff --git a/ch3/applied.Rmd b/ch3/applied.Rmd index e5e0554..3638ef0 100644 --- a/ch3/applied.Rmd +++ b/ch3/applied.Rmd @@ -401,7 +401,7 @@ lm.fit_sq = lm(y~x+I(x^2)) summary(lm.fit_sq) ``` There is evidence that model fit has increased over the training data given the -slight increase in $R^2$ and $RSE$. Although, the p-value of the t-statistic +slight increase in $R^2$ and slight decrease in $RSE$. Although, the p-value of the t-statistic suggests that there isn't a relationship between y and $x^2$. 13h.