Graphics Programs Reference
In-Depth Information
FIGurE 7-3 Default heatmap ordered by points per game
Maybe you want a different color scheme. Just change the col argument,
which is cm.colors(256) in the line of code you just executed. Type ?cm.colors
for help on what colors R offers. For example, you could use more heat-
looking colors, as shown in Figure 7-4.
bball_heatmap <- heatmap(bball_matrix,
Rowv=NA, Colv=NA, col = heat.colors(256), scale=”column”,
margins=c(5,10))
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