The concept of entropy is itself confusing and, so far, with high entropy. When I associate it with the concept of mutual information, its entropy decreases. Alright, I got my chance to confuse the reader and that was actually fun. … Continue reading
There are a number of ways to measure the performance of a model, fitting the data. Once the model has been formulated and its parameters estimated, the next big step is measuring how good or bad it performs on the … Continue reading
Someone explained me the QR factorisation of a matrix (by triangular matrices) already a number of times. She’s usually stressing on the fact that it is an extremely helpful method to make things fast and efficient. Fine. What things? … Continue reading
