Medium

Marcin Kozak

Pinned

Marcin Kozak

·

Sep 22, 2022

At the start — a little about Python writing

So this is it. My first post here on Medium. I’ve spent a lot of time thinking about what topic to start with, even more than the time it…

At the start — a little about Python writing

In

TDS Archive

by

Marcin Kozak

·

Jul 15, 2024

Chaining Pandas Operations: Strengths and Limitations

Learn when it’s worth chaining Pandas operations in pipes.

Chaining Pandas Operations: Strengths and Limitations

In

TDS Archive

by

Marcin Kozak

·

Jun 5, 2024

Slicing in Python: A Comprehensive Guide

Master Python slicing: from lists and tuples to NumPy arrays and Pandas dataframes, plus custom implementations

Slicing in Python: A Comprehensive Guide

In

TDS Archive

by

Marcin Kozak

·

Jun 3, 2024

The Trap of Sprints: Don’t Be Like Scarlett O’Hara. Think Today!

Why data scientists should prioritize communication and flexibility in agile projects

The Trap of Sprints: Don’t Be Like Scarlett O’Hara. Think Today!

In

TDS Archive

by

Marcin Kozak

·

May 28, 2024

Embedding Markdown Files in a Streamlit Dashboard

Simplify Streamlit app code by moving longer static contents to Markdown files.

Embedding Markdown Files in a Streamlit Dashboard

In

TDS Archive

by

Marcin Kozak

·

May 27, 2024

Passing Functions to Test Files in Python Pytest

This is a very frequent question, but the solution is very simple: use a fixture.

Passing Functions to Test Files in Python Pytest

In

TDS Archive

by

Marcin Kozak

·

May 20, 2024

A Guide to Powerful Python Enumerations

Improve Python code for data science with simple, readable and performant enumerations.

A Guide to Powerful Python Enumerations

In

TDS Archive

by

Marcin Kozak

·

May 13, 2024

Don’t Let the Python dir() Function Trick You!

The dir() function returns an object’s attributes. Unfortunately, it doesn’t reveal everything — discover how to find all attributes…

Don’t Let the Python dir() Function Trick You!

In

TDS Archive

by

Marcin Kozak

·

May 8, 2024

Python Type Hinting: Introduction to The Callable Syntax

The collections.abc.Callable syntax may seem difficult. Learn how to use it in practical Python coding.

Python Type Hinting: Introduction to The Callable Syntax

In

TDS Archive

by

Marcin Kozak

·

Apr 30, 2024

Python and the underscore (_)

The article discusses various roles the underscore plays in Python.

Python and the underscore (_)

Marcin Kozak

Marcin Kozak

A full professor, interdisciplinary researcher, data scientist, statistician, Python, R and Go developer, open-source contributor — and a devoted writer

Following

Help

Status

About

Careers

Press

Blog

Store

Privacy

Rules

Terms

Text to speech