Treemap Visualizations in R

Creating Treemaps in R

Loading Dataset, please visit my github for the dataset.

Position <- read.csv("WAR by Position.csv", header=TRUE)

Load Package

library(treemap)

#https://rdrr.io/cran/treemap/man/treemap.html

Customize Filters

Position = subset(Position, Normalized.WAR >0)

Position$League = ifelse(Position$Team %in% c("Cardinals", "Brewers", "Cubs", 'Reds', "Pirates", "Mets", "Nationals", "Dodgers", "Marlins", "Braves", "Phillies", "Dodgers", "Giants", "Padres", "Rockies", "Diamondbacks"), "NL", "AL")

Position =subset(Position, League == "NL")

Position = subset(Position, Pos != "P")

Create Treemap

treemap(Position,

index=c("Pos","Name"),

vSize = "Normalized.WAR",

vColor = 'Normalized.WAR',

type="manual", #Type sets the organization and color scheme of your treemap

palette = "Blues", #Select your color palette from the RColorBrewer presets or make your own.

title="2018 WAR by Position National League", #Customize your title

fontsize.title = 14,#Change the font size of the title

title.legend = "Normalized WAR",

algorithm = "squarified" #Sorting order

)