Beginner’s Guide to Encoding Categorical Data: Visuals and Code Example. ... Color Color_Encoded 0 Red 1 1 Blue 2 2 Green 2 3 Blue 2 4 Green 2 . Choosing the Right Encoding Method.

Green data centers and servers are fine, but if the application uses 20 million CPU cycles to process a simple question against a large amount of data, and that application process is called ...