practice

names(CO2)

## [1] "Plant"     "Type"      "Treatment" "conc"      "uptake"

head(CO2)

##   Plant   Type  Treatment conc uptake
## 1   Qn1 Quebec nonchilled   95   16.0
## 2   Qn1 Quebec nonchilled  175   30.4
## 3   Qn1 Quebec nonchilled  250   34.8
## 4   Qn1 Quebec nonchilled  350   37.2
## 5   Qn1 Quebec nonchilled  500   35.3
## 6   Qn1 Quebec nonchilled  675   39.2

library(tidyverse)

## ── Attaching core tidyverse packages ──────────────────────── tidyverse 2.0.0 ──
## ✔ dplyr     1.1.3     ✔ readr     2.1.4
## ✔ forcats   1.0.0     ✔ stringr   1.5.0
## ✔ ggplot2   3.4.4     ✔ tibble    3.2.1
## ✔ lubridate 1.9.3     ✔ tidyr     1.3.0
## ✔ 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

CO2%>%ggplot(aes(Treatment,uptake))+geom_boxplot(fill="blue",alpha=0.5)+stat_summary(fun=mean)

## Warning: Removed 2 rows containing missing values (`geom_segment()`).

#CO2%>%count(Plant,uptake)%>%group_by(Plant)%>%mutate(mean=mean(uptake))%>%mutate(ftc_reorder(Plant,mean))%>%ggplot(aes(Plant,mean))+geom_col()