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setting up my environment: by loading “ggplot2” and “palmerpenguins”

library(ggplot2)
library(palmerpenguins)
## 
## Attaching package: 'palmerpenguins'
## The following objects are masked from 'package:datasets':
## 
##     penguins, penguins_raw
data(penguins)
View(penguins)
ggplot(data = penguins) +

  geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g))
## Warning: Removed 2 rows containing missing values or values outside the scale range
## (`geom_point()`).