"Store A and Store B both have the same average monthly sales of '200,000 yen per day.' Yet, the manager of Store A is always calm, while the manager of Store B is always on edge, chasing inventory ...

While Excel is ubiquitous, I prefer Python for my data analysis. Spreadsheets are great for formatting data, but it's Python that's allowed me to build my own super calculator out of regular Python ...

Welcome to your guide to Pips, the latest game in the New York Times catalogue. Released in August 2025, Pips puts a unique spin on dominoes, creating a fun single-player experience that could become ...

What is the ICW Index? Tl;DR: The ICW index is a weighted average of variables where the weights are determined by the inverse of the covariance matrix of the variables. Anderson (2008) proposed an ...

ProcessOptimizer is a Python package designed to provide easy access to advanced machine learning techniques, specifically Bayesian optimization using, e.g., Gaussian processes. Aimed at ...

Even though human experience unfolds continuously in time, it is not strictly linear; instead, it entails cascading processes building hierarchical cognitive structures. For instance, during speech ...

I introduced the preparations for conducting a Monte Carlo simulation in the note below. However, when you actually try to start, even if you have created a simple model in Excel such as Sales = Unit ...