> On Dec 19, 2017, at 11:12 AM, EDUARDO GARCIA PORTUGUES
> wrote:
>
> Dear R-devel list,
>
> I realized that removing a predictor in lm through the "-"'s operator in
> formula() does not affect the complete cases that are considered. A minimal
> example is:
>
> summary(lm(Wind ~ ., data = air
Dear R-devel list,
I realized that removing a predictor in lm through the "-"'s operator in
formula() does not affect the complete cases that are considered. A minimal
example is:
summary(lm(Wind ~ ., data = airquality))
# 42 observations deleted due to missingness
summary(lm(Wind ~ . - Ozone, d
