install.packages('dplyr')
download.file("https://ndownloader.figshare.com/files/2292172",
"surveys.csv")
download.file("https://ndownloader.figshare.com/files/3299474",
"plots.csv")
download.file("https://ndownloader.figshare.com/files/3299483",
"species.csv")
download.file("https://www.datacarpentry.org/semester-biology/data/shrub-volume-data.csv",
"shrub-volume-data.csv")
download.file("https://datacarpentry.org/semester-biology/data/mbaiki_measures.csv",
"mbaiki_measures.csv")
download.file("https://datacarpentry.org/semester-biology/data/mbaiki_trees.csv",
"mbaiki_trees.csv")
download.file("https://datacarpentry.org/semester-biology/data/mbaiki_species.csv",
"mbaiki_species.csv")