Used in telegraphy in the late 1800s, and also known as "reflected binary code," Gray code was patented by Bell Labs researcher Frank Gray in 1947. In Gray code, there is only one bit location ...

Color Color_Encoded 0 Red 2 1 Blue 0 2 Green 1 3 Blue 0 4 Green 1 One-Hot Encoding represents categorical variables as binary vectors. Each category is underlined by a new column, represented by a ...