Self Organizing map, also called the Kohonen map was invented by Dr. Kohonen in the 1980s. The algorithm takes a dataset with a lot of dimensions and reduces dimensionality of dataset into a two dimensional SOM matrix while retaining topology of the input set. How does Self Organizing Map work? This is what happens in each…

This article will answer a few important questions about gradient descent that are frequently asked in Machine Learning Interviews. This article barely scratches the surface, but just like any challenging journey— we all gotta start somewhere! Without further ado, let’s dive right in: What is Gradient Descent? Gradient Descent is…

Warning: *Spoilers for the TV show Squid Game Ahead* I have seen countless articles explaining the P-value on medium and the internet. Here is the definition of p-value: The P value, or calculated probability, is the probability of finding the observed, or more extreme, results when the null hypothesis (H0)…

Some e-commerce giants have largely automated the the A/B testing process for product managers and analysts. However it is important to understand what is happening under the hood so that one is able to use and interpret the A/B testing tools correctly. In this post we will try to understand…