Black Rock Coffee Bar is betting that U.S. consumers have room for more coffee, despite volatile bean prices and a proliferation of cafes. Scottsdale, Ariz.-based Black Rock, which made its ...
Posit’s ggbot2 is a voice assistant for ggplot2. Tell it what you want in a spoken conversation, and it will generate plots ...
with the help of scale_colour_manual a legend with four keys is created where the dataset mtcars itself only lists cars with three different numbers of cylinders ...
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