Expert Contributors Articles

Sorted By: Most Recent
Sara A. Metwalli Sara A. Metwalli
Updated on May 29, 2025

4 Essential Skills Every Data Scientist Needs

There’s more to data science than data. These 4 skills will help you land (and keep!) that dream job.

Mitchell Telatnik Mitchell Telatnik
Updated on May 28, 2025

Machine Learning for Beginners (With Weka)

Follow along with this machine learning for beginners tutorial, which walks through the basics of classification and regression algorithms and how to build a machine learning model in Weka.

Image: Shutterstock / Built In
Lukas Oppermann Lukas Oppermann
Updated on May 28, 2025

11 Benefits of Design Systems for Designers, Developers, Product Owners and Teams

Design systems are centralized collections of design patterns, components and code decisions that help standardize user interface (UI) development.

Image: Shutterstock / Built In
Scott Opiela Scott Opiela
Updated on May 28, 2025

Why Resilient Marketing Beats Growth at All Costs

Resilience marketing emphasizes customer lifetime value, conversion efficiency and revenue quality over quantity. Here’s how it works and why the days of growth marketing are numbered.

Image: Shutterstock / Built In
Sergen Cansiz Sergen Cansiz
Updated on May 28, 2025

Covariance Matrix: Definition, Derivation and Applications

A covariance matrix is a square matrix that shows the covariance between every pair of variables in a given data set, where each element in the matrix represents the corresponding covariance.

Image: Shutterstock / Built In
Parul Pandey Parul Pandey
Updated on May 28, 2025

What Is the Dummy Variable Trap? (With Pandas Code Examples)

Here are a few important caveats to keep in mind when you’re encoding data with pandas.get_dummies().

Peter Grant Peter Grant
Updated on May 28, 2025

How to Create Report-Ready Plots in Python

As a data scientist, developing great models and extrapolating nuanced insights won’t get you far if you can’t communicate your findings clearly. Here’s how to present your work using bokeh.

Sara A. Metwalli Sara A. Metwalli
Updated on May 28, 2025

5 Ways to Learn Git and Version Control

Git is a distributed version control system that tracks and manages changes to code. Learn Git and how to use it with these five resources.

Image: Shutterstock / Built In
Brian Zeman Brian Zeman
Updated on May 28, 2025

Why Enterprise Architecture Is the Missing Link in Scalable AI

Most AI projects fail to generate lasting impact. Enterprise architecture offers a supporting framework that can fix that. Here’s how.  

Image: Shutterstock / Built In
Sayli Samant Sayli Samant
Updated on May 28, 2025

Career-Oriented People Master These 7 Habits

Career-oriented habits of mind can change your professional trajectory, so adopt these practices today.

Image: Shutterstock / Built In