--- title: 'Lecture 4: Basics of plotting in ggplot2' author: "Dr Nicolaas Puts and Dr Lucas França" date: "24 October 2022" output: html_document --- ```{r setup, include=FALSE} knitr::opts_chunk$set(echo = TRUE) ``` ```{r} library(tidyverse) ``` # Load dataset ```{r} urlfile <- 'https://raw.githubusercontent.com/HeJasonL/BIG-TAC/main/TutorialData.csv' #this loads a csv file called TutorialData and puts it into urlfile data <- read.csv(urlfile) %>% as_tibble() ``` # Bar plots ```{r} data %>% ggplot(aes(x=GABA, fill = Group)) + geom_histogram(binwidth = 0.5) ``` # Boxplot ```{r} data %>% ggplot(aes(x = Group, y = Sensory1, fill = Group)) + geom_boxplot() ``` # Scatter plots ```{r} data %>% ggplot(aes(x = Age, y = Sensory1)) + geom_point(aes(colour = Group)) ``` # Transparency ```{r} data %>% ggplot(aes(x=GABA)) + geom_histogram(aes(fill = Group), binwidth = 0.5, alpha = 0.6) ``` # Titles, themes, and labels ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(fill = Group)) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5))#align title centerd ``` # Stacking plots ```{r} library(ggforce) ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(fill = Group), outlier.shape = NA) + ggforce::geom_sina() + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5)) ``` Now let's make a publication-ready beautiful plot # Colours!! ```{r} library(paletteer) ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(fill = Group), outlier.shape = NA) + ggforce::geom_sina() + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5)) + scale_fill_paletteer_d("MetBrewer::Juarez") ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(color = Group, fill = Group), width = 0.5, alpha = 0.3) + ggforce::geom_sina(aes(fill = Group, colour = Group), size = 2, pch = 21, alpha = 0.4, maxwidth = .5) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5)) + scale_fill_paletteer_d("MetBrewer::Juarez") + scale_colour_paletteer_d("MetBrewer::Juarez") ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(color = Group, fill = Group), width = 0.5, alpha = 0.3, outlier.shape = NA) + ggforce::geom_sina(aes(fill = Group, colour = Group), size = 3, pch = 21, alpha = 0.4, maxwidth = .5) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5), text = element_text(size = 24)) + scale_fill_paletteer_d("MetBrewer::Juarez") + scale_colour_paletteer_d("MetBrewer::Juarez") ``` # Legends ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(color = Group, fill = Group), width = 0.5, alpha = 0.3, outlier.shape = NA) + ggforce::geom_sina(aes(fill = Group, colour = Group), size = 3, pch = 21, alpha = 0.4, maxwidth = .5) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5), text = element_text(size = 24), legend.position = "none") + scale_fill_paletteer_d("MetBrewer::Juarez") + scale_colour_paletteer_d("MetBrewer::Juarez") ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(color = Group, fill = Group), width = 0.5, alpha = 0.3, outlier.shape = NA) + ggforce::geom_sina(aes(fill = Group, colour = Group), size = 3, pch = 21, alpha = 0.4, maxwidth = .5) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5), text = element_text(size = 24), legend.position = c(0.9,0.8)) + scale_fill_paletteer_d("MetBrewer::Juarez") + scale_colour_paletteer_d("MetBrewer::Juarez") ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(color = Group, fill = Group), width = 0.5, alpha = 0.3, outlier.shape = NA) + ggforce::geom_sina(aes(fill = Group, colour = Group), size = 3, pch = 21, alpha = 0.4, maxwidth = .5) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5), text = element_text(size = 24), legend.position = c(0.9,0.9), legend.title = element_blank()) + scale_fill_paletteer_d("MetBrewer::Juarez") + scale_colour_paletteer_d("MetBrewer::Juarez") ``` ```{r} data %>% ggplot(aes(y = Sensory1, x = Group)) + geom_boxplot(aes(color = Group, fill = Group), width = 0.5, alpha = 0.3, outlier.shape = NA) + ggforce::geom_sina(aes(fill = Group, colour = Group), size = 3, pch = 21, alpha = 0.4, maxwidth = .5) + theme_bw() + xlab("Group") + ylab("Sensory Scores") + ggtitle("Sensory Scores by group") + theme(plot.title = element_text(hjust = 0.5), text = element_text(size = 24), legend.position = c(0.9,0.9), legend.title = element_blank(), legend.background = element_blank()) + scale_fill_paletteer_d("MetBrewer::Juarez") + scale_colour_paletteer_d("MetBrewer::Juarez") ```