library(palmerpenguins)
## 
## Attaching package: 'palmerpenguins'
## The following objects are masked from 'package:datasets':
## 
##     penguins, penguins_raw
library(dplyr)
## 
## Attaching package: 'dplyr'
## The following objects are masked from 'package:stats':
## 
##     filter, lag
## The following objects are masked from 'package:base':
## 
##     intersect, setdiff, setequal, union
library(ggplot2)

Dimensions of Penguins:

dim(penguins)
## [1] 344   8

First few Rows of Penguins:

head(penguins)
## # A tibble: 6 × 8
##   species island    bill_length_mm bill_depth_mm flipper_length_mm body_mass_g
##   <fct>   <fct>              <dbl>         <dbl>             <int>       <int>
## 1 Adelie  Torgersen           39.1          18.7               181        3750
## 2 Adelie  Torgersen           39.5          17.4               186        3800
## 3 Adelie  Torgersen           40.3          18                 195        3250
## 4 Adelie  Torgersen           NA            NA                  NA          NA
## 5 Adelie  Torgersen           36.7          19.3               193        3450
## 6 Adelie  Torgersen           39.3          20.6               190        3650
## # ℹ 2 more variables: sex <fct>, year <int>

Descriptive Statistics of Penguins:

summary(penguins$flipper_length_mm)
##    Min. 1st Qu.  Median    Mean 3rd Qu.    Max.    NA's 
##   172.0   190.0   197.0   200.9   213.0   231.0       2
sd(penguins$flipper_length_mm, na.rm = TRUE)
## [1] 14.06171