A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.

1. Pages

2. Posts

The Traveling Salesman Problem

11 minute read

The Traveling Salesman Problem (TSP), a captivating conundrum in mathematical optimization, has seamlessly integrated itself into a multitude of industries, ...

Are Model Performance Metrics Enough?

4 minute read

My model has a “good enough” performance, is this sufficient for deployment? This post highlights the limitations of relying solely on performance metrics wh...

My RegEx Cheatsheet

5 minute read

In this post, I compile a cheatsheet of the main regexes that I use in my projects.

Optimization References

2 minute read

My list of reference materials containing for mathematical optimisation, based on Quora.

Mixed Integer Programming

less than 1 minute read

Mixed Integer Programming (MIP) are a form of optimization that is formulated using a combination of equations that are continous and discrete.

Soft Maximum

2 minute read

In applications you often want to take the maximum of two numbers. But the simple function

Hypothesis Test Canvas

1 minute read

Based on the machine learning canvas, I wrote down a hypothesis test canvas to clarify what hypothesis we are testing, what data is employed and how the resu...

A Digression on the Cantor Set

1 minute read

The Cantor set is a special type of set in mathematics. In this blog post, I will use it as an illustration of how my mind works, when I learning a new topic.

Pandas Value Counts

less than 1 minute read

The value_counts() function in the popular python data science library Pandas is a quick way to count the unique values in a single column otherwise known as...

Querying the Latest Record

less than 1 minute read

In this gist, I show how to get the latest record or a user based on a datetime column.

Jupyter Notebook Header

less than 1 minute read

This gist contains my default settings for a Jupyter notebook as a header.

Datetime Resample

less than 1 minute read

In this gist, I calculate aggregate the datetime column according to different periods (e.g. day, week, and month)

Cumulative Sum with Pandas

less than 1 minute read

In this gist, I calculate the cumulative sum of the column no, based on the columns nameand day.

Signing git commits with gpg

15 minute read

I found this post on how to sign commits with gpg on Medium, and I copied to my blog so I can keep for my records. Please, visit the original source at:

Hypothesis Tests Part 1: Bayesian Inference

3 minute read

Every quantity that is estimated from data, such as the mean or the variance, is subject to uncertainties of the measurements due to data collection. If a di...