Читать книгу Informatics and Machine Learning - Stephen Winters-Hilt - Страница 33

So far we have counts and probabilities, but what of the probability of X when you know Y has occurred (where X is dependent on Y)? How to account for a greater state of knowledge? It turns out the answer to this was not put on a formal mathematical footing until half way thru the twentieth century, with the Cox derivation [101] .