Setup
install.packages(c('dplyr', 'ggplot2', 'readr'))
download.file("https://ndownloader.figshare.com/files/5629542",
"ACACIA_DREPANOLOBIUM_SURVEY.txt")
download.file("https://ndownloader.figshare.com/files/5629536",
"TREE_SURVEYS.txt")
download.file("https://esapubs.org/archive/ecol/E084/093/Mammal_lifehistories_v2.txt",
"Mammal_lifehistories_v2.txt")