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Boxplot with Letters Indicating Significant Differences

One-Way ANOVA, Tukey’s test, Box Plot with ggplot R code: https://statdoe.com/one-way-anova-and... Courses: https://statdoe.com/courses/ 0:00 Introduction 0:46 Description of the data set 1:01 Loading the libraries and the data set 1:55 Analysis of Variance - ANOVA 2:30 Tukey's test 3:10 Letters do indicate significant differences (cdl) 3:50 Table with mean, third quantile and cdl 5:05 Basic Boxplot 6:18 Customising axis titles, theme and gridlines 7:08 Adding the letters to the boxplot 8:20 Adding colours to the plot 8:45 Colouring the boxes according to the median value Packages: ggplot2, multcompView, dplyr Main functions: aov, TukeyHSD, multcompLetters4, summarise, ggplot, geom_boxplot, geom_text, scale_fill_brewer, theme_bw, show.legend, labs . www.statdoe.com