class: center, middle, title-slide # Data visualisation ### Olivier Gimenez ### last updated: 2021-02-26 --- !(lter_penguins.png) --- ## Motivation We use data from package `palmerpenguins` to familiarize ourselves with data visualization with the tidyverse. We first load the packages we will need. ```r library(palmerpenguins) library(tidyverse) ``` --- ## Question 1 a. Build a histogram of body mass. b. Fill in histogram with a color per species. c. Change the color by default to darkorange, purple and cyan4. d. Adjust transparency for all three histograms. e. Add a title to the axes, the legend and the figure. f. Change the theme used by default. g. Do a-f for males and females and display on same figure. --- ## Question 2 a. Build a scatter plot of body mass wither respect to flipper length. b. Consider a shape for the points different for each species. Increase point size and adjust transparency. c. Consider a color for the points different for each species. Increase point size and adjust transparency. d. Combine b-c. e. Change colors to darkorange, purple and cyan4. Add titles to axes, legend and figure.