Medium

Jin Cui

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Jan 30, 2023

Categorize Free-Text Bank Transaction Descriptions Using BERT

I built myself an Expense Tracking Tool

Categorize Free-Text Bank Transaction Descriptions Using BERT

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Dec 20, 2022

Interactive Geospatial Visualization with Shape Map Visual in PowerBI

A step-by-step guide/demonstration using public income and digital boundaries data

Interactive Geospatial Visualization with Shape Map Visual in PowerBI

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Level Up Coding

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Jan 5, 2023

Create Extraordinary Visualizations with ggplot2 in R

A demonstration using the IBM Telco Churn dataset

Create Extraordinary Visualizations with ggplot2 in R

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Dec 30, 2022

Create Powerful Model Explanations for Classification Problems with Logistic Regression

A practitioner’s guide, with a demonstration using the IBM Telco Churn dataset

Create Powerful Model Explanations for Classification Problems with Logistic Regression

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Feb 15, 2022

Data Transformation Using the Window Functions in PySpark

Demonstrated with a use case

Data Transformation Using the Window Functions in PySpark

Jin Cui

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Apr 5, 2025

This Algorithm Guarantees You’ll Have a Stable Marriage — Here’s How.

The Nobel Prize winning Gale-Shapley Algorithm in practice

This Algorithm Guarantees You’ll Have a Stable Marriage — Here’s How.

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Level Up Coding

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Jin Cui

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May 19, 2024

Connect to SQL Database with Python and R

A step-by-step guide on building more efficient data pipelines

Connect to SQL Database with Python and R

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Dec 29, 2023

Deriving a Score to Show Relative Socio-Economic Advantage and Disadvantage of a Geographic Area

Using Principal Component Analysis with Real-life data

Deriving a Score to Show Relative Socio-Economic Advantage and Disadvantage of a Geographic Area

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Dec 26, 2023

Storytelling with Visualization — Which Area Has the Highest Socio-Economic Score, and Why

Demonstrated using real-life geographic data

Storytelling with Visualization — Which Area Has the Highest Socio-Economic Score, and Why

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Cantor’s Paradise

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Jin Cui

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Nov 8, 2023

Does the ‘I Won’t Give Up until I Have a Son’ Strategy Create Gender Imbalance?

A mathematical exploration of preference for sons in some culture

Does the ‘I Won’t Give Up until I Have a Son’ Strategy Create Gender Imbalance?

Jin Cui

Jin Cui

A qualified actuary who uses data science to build decision support tools, a data scientist powered by curiosity. https://github.com/gundamp

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