Adding lines and asterisks of statistical significance on a figure with ggplot2 (CC093)

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Have you ever wondered how to add lines with asterisks to denote statistical significance on a plot you&made with ggplot2? In this episode of Code Club, Pat will walk you through performing a series of statistical tests with kruskal.test and pairwise.wilcox.test and how to use geom_line and geom_text to draw the lines and stars. Do you have a figure that you would like to receive a critique or help improving? Let me know and I&be happy to arrange a guest appearance! You can also find complete tutorials for learning R with the tidyverse using... 0:00 Introduction 3:23 Running kruskal.test and pairwise.wilcox.test 10:02 ggplot2 figures can be saved as objects 11:13 Drawing line segments to denote comparisons 13:57 Adding text to line segments 16:09 Critique of figure 19:21 Conclusion

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