Rstudio2

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

library(readxl)
# dat <-mtcars
# /Users/limjiyun/Desktop/F1/F1 2
# write.csv(dat,file='/Users/limjiyun/Desktop/F1/F1 2/mtcarsexample.csv')
data <- read_csv('/Users/limjiyun/Desktop/F1/F1 2/mtcarsexample.csv')

## New names:
## Rows: 32 Columns: 12
## ── Column specification
## ──────────────────────────────────────────────────────── Delimiter: "," chr
## (1): ...1 dbl (11): mpg, cyl, disp, hp, drat, wt, qsec, vs, am, gear, carb
## ℹ Use `spec()` to retrieve the full column specification for this data. ℹ
## Specify the column types or set `show_col_types = FALSE` to quiet this message.
## • `` -> `...1`

dat <- read_excel('/Users/limjiyun/Desktop/F1/nonParametric.xlsx')
head(dat) 

## # A tibble: 6 × 2
##   groupA groupB
##    <dbl>  <dbl>
## 1   15.9   15.7
## 2   33.9   20.8
## 3   29.1   23.7
## 4   37.7   26.3
## 5   30     34.7
## 6    8.4   40.1

str(dat) 

## tibble [45 × 2] (S3: tbl_df/tbl/data.frame)
##  $ groupA: num [1:45] 15.9 33.9 29.1 37.7 30 8.4 12.5 19.8 12.1 17.5 ...
##  $ groupB: num [1:45] 15.7 20.8 23.7 26.3 34.7 40.1 13.4 11.4 15.1 15.9 ...

dim(dat)

## [1] 45  2

shapiro_test(dat$groupB)

## # A tibble: 1 × 3
##   variable   statistic  p.value
##   <chr>          <dbl>    <dbl>
## 1 dat$groupB     0.876 0.000182

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