Who I am and What Motivates me to Write

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Hello! I’m Khuyen Tran. I have been writing on Medium since December 2019, but I haven’t properly introduced myself so I wrote this article to do so.

I major in statistics, but I love playing with data science and Python tools and share them with others in my free time…

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Analyze the Connections Between Machine Learning Developers and Web Developers


Have you ever wondered how GitHub developers with different roles are connected? For example, if a person is a machine learning developer, what percentage of people he/she follows are web developers? If a person is a web developer, what percentage of people he/she follows are machine learning developers?

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In this…

Deal with a Function with Many Arguments and Data Types


Have you ever dealt with a function with many arguments like below,

… or a function with an argument that takes different data types?

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In this article, you will learn what can go wrong with the functions above and how to simplify them.


To understand how functools.partial can be…

Hands-on Tutorials

Optimize Your Data Science Workflow in a Few Lines of Code


As a data scientist, why should you care about optimizing your data science workflow? Let’s start with an example of a basic data science project.

Imagine you were working with an Iris dataset. You started with building functions to process your data.

After defining the functions, you execute them.

If you tested positive with COVID, what is the chance that you actually have COVID?


Imagine you come to the hospital to test whether you have COVID or not. You receive the bad news: you are tested positive for COVID! However, you think that there could be a chance that the result is wrong.

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By doing some research on the internet, you know three pieces…

Build and Analyze Graph Database with Neo4j


Have you ever been curious about the similarities between different companies? Wouldn’t it be nice if you can visualize their relationships like below?

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That is when graph database and Neo4j come in handy. In my latest article, you will learn what Neo4j is and how to use it to analyze…

Khuyen Tran

Data scientist. I share a little bit of goodness every day through daily data science tips: https://mathdatasimplified.com

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