Rstudio6

# install.packages('tidyverse')
# install.packages('rstatix')
library(tidyverse)

## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
## ✔ dplyr     1.1.4     ✔ readr     2.1.5
## ✔ forcats   1.0.0     ✔ stringr   1.5.1
## ✔ ggplot2   3.5.1     ✔ tibble    3.2.1
## ✔ lubridate 1.9.3     ✔ tidyr     1.3.1
## ✔ purrr     1.0.2     
## ── Conflicts ────────────────────────────────────────── tidyverse_conflicts() ──
## ✖ dplyr::filter() masks stats::filter()
## ✖ dplyr::lag()    masks stats::lag()
## ℹ Use the conflicted package (<http://conflicted.r-lib.org/>) to force all conflicts to become errors

library(rstatix)

## 
## Attaching package: 'rstatix'
## 
## The following object is masked from 'package:stats':
## 
##     filter

dat<-iris

# install.packages('ggplot2')
library(ggplot2)
ggplot(dat, aes(x=dat$Sepal.Width))+geom_histogram()

## Warning: Use of `dat$Sepal.Width` is discouraged.
## ℹ Use `Sepal.Width` instead.

## `stat_bin()` using `bins = 30`. Pick better value with `binwidth`.

shapiro.test(dat$Sepal.Length)

## 
##  Shapiro-Wilk normality test
## 
## data:  dat$Sepal.Length
## W = 0.97609, p-value = 0.01018

shapiro.test(dat$Sepal.Width)

## 
##  Shapiro-Wilk normality test
## 
## data:  dat$Sepal.Width
## W = 0.98492, p-value = 0.1012

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