This is like the "add one smoothing" the is commonly used for entropy / population diversity statistics. (class1 + 1)/(class1 + class2 + 2). (effectively, ini

This is like the "add one smoothing" the is commonly used for entropy / population diversity statistics. (class1 + 1)/(class1 + class2 + 2). (effectively, initialize all counts to 1). https://en.wikipedia.org/wiki/Additive_smoothing https://en.wikipedia.org/wiki/Additive_smoothing https://en.wikipedia.org/wiki/Rule_of_succession https://en.wikipedia.org/wiki/Rule_of_succession