Data Science Tutorials

If you're coming from one of my data science tutorials, you'll find the code and the links to the tutorials here. I hope you find them helpful. Happy learning and coding!

Article	Code
Build a Data Science App with Python in 10 Easy Steps	Code
A Practical Guide to Deploying Machine Learning Models	Code
FastAPI Tutorial: Build APIs with Python in Minutes	Code
The Beginner’s Guide to Natural Language Processing with Python	Code
How to Perform Statistical Analysis on Sparse Data in Python	Code
10 Essential Statistical Functions in Python	Code
How to Calculate Joint and Conditional Probabilities in Python	Code
How to Use the Geometric Distribution in Python	Code
How to Use the Beta Distribution in Python	Code
How to Use the Cauchy Distribution in Python	Code
Tips for Effective Outlier Detection in Real-World Datasets	Code
How to Interpret Statistical Plots in Python	Code
Data Cleaning with Bash: A Handbook for Developers	Code
Analyzing JSON Data with DuckDB & SQL	Code
The Poisson Distribution: From Basics to Real-World Examples	Code
Why & How to Containerize Your Existing Python Apps	Code
How to Analyze Parquet Files with DuckDB	Code
How to Analyze CSV Files with DuckDB	Code
How to Query Pandas DataFrames with DuckDB	Code
How to Calculate Descriptive Statistics in DuckDB	Code
How to Perform Hypothesis Testing in DuckDB	Code
Top 5 Statistical Techniques to Detect and Handle Outliers in Data	Code
Why & How to Containerize Your Existing Python Apps	Code
Step-by-Step Guide to Deploying Machine Learning Models with FastAPI and Docker	Code
Build a Data Cleaning & Validation Pipeline in Under 50 Lines of Python	Code
Vibe Coding a Speed Reading App with Python in Just 15 Minutes	Code
Build ETL Pipelines for Data Science Workflows in About 30 Lines of Python	Code
5 Useful Python Scripts for Busy Data Scientists	Code
How to Perform Data Cleaning in PySpark	Code
How to Write DataFrames to Parquet Files in PySpark	Code
How to Read CSV Files into PySpark DataFrames	Code
Tips for Effective Outlier Detection in Real-World Datasets	Code
How to Perform Time Series Analysis with SciPy	Code
Time Series Decomposition: Separating Signal from Noise	Code
How to Work with Excel Files in Python	Code
How to Process CSV Files in Python	Code
The Essential Guide to Regular Expressions for Data Scientists	Code
Shortcuts for the Long Run: Automated Workflows for Aspiring Data Engineers	Code
10 NumPy One-Liners to Simplify Feature Engineering	Code
10 Useful NumPy One-Liners for Time Series Analysis	Code
Distance Metrics: Euclidean, Manhattan, Minkowski, Oh My!	Code
Vector and Matrix Norms with NumPy Linalg Norm	Code
SQL in Pandas with Pandasql	Code
Principal Component Analysis (PCA) with Scikit-Learn	Code
Beginner’s Guide to Data Analysis with Polars	Code
10 Useful Python One-Liners for Data Engineering	Code
MinMax vs Standard vs Robust Scaler: Which One Wins for Skewed Data?	Code
7 NumPy Tricks to Vectorize Your Code	Code
10 Useful Python One-Liners for CSV Processing	Code
The Complete Guide to Building Data Pipelines That Don’t Break	Code
5 Useful Python Scripts for Busy Data Analysts	Code
5 Essential Python Scripts for Intermediate Machine Learning Practitioners	Code
5 Useful Python Scripts for Busy Data Engineers	Code
Data Cleaning at the Command Line for Beginner Data Scientists	Code
The Complete Guide to Docker for Machine Learning Engineers	Code
Building a Simple Data Quality DSL in Python	Code
The Complete Guide to Using Pydantic for Validating LLM Outputs	Code
Statistics at the Command Line for Beginner Data Scientists	Code
5 Useful Python Scripts to Automate Boring Everyday Tasks	Code
5 Useful Python Scripts to Automate Data Cleaning	Code
5 Useful Python Scripts for Effective Feature Engineering	Code
Building Your Modern Data Analytics Stack with Python, Parquet, and DuckDB	Code
5 Useful Python Scripts to Automate Boring File Tasks	Code
The Machine Learning Practitioner’s Guide to Speculative Decoding	Code
5 DIY Python Decorators for Building Cleaner Data Pipelines	Code
5 Useful Python Scripts for Automated Data Quality Checks	Code