Blog Archives
Algorithms, Merchandising and Psychology - Part 1
By Robin Morris in A Word from the Engineers, Featured on May 7, 2013

I was going to write this blog about feature hashing, a massively useful trick when building classifiers and predictive models. It saves the time and complexity of building a dictionary and allows the hashed feature vector to be smaller than the number of possible features. It is smaller because the number of actual features in a particular data set is often much ... Read More »