Missing Data Mechanisms: MCAR, MAR, MNAR (with a concrete simulation)
Missing data isn’t just empty cells: why it’s missing changes what you can trust. Let’s explore three major classical mechanism to deal with missingness.
Recent posts
Cosine Similarity, Explained for Everyone
Cosine similarity is a simple way to compare texts: it checks whether two vectors point in the same direction, rather than how long they are. Here’s the begi...
Normalizer and TF-IDF in NLP
In this post, we explore how Normalizer and TF-IDF work in Natural Language Processing, focusing on their differences and when to use them.
Fixing Common Issues When Setting Up Jekyll & GitHub Pages on macOS
This guide walks you through troubleshooting Jekyll and GitHub Pages on macOS and getting your blog up and running.
Video Games Sales Data Analysis
In this post we explore the Video Games sales dataset, and try to perform a data exploration on that source.