Expert Contributors Articles

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Sara A. Metwalli Sara A. Metwalli
Updated on June 02, 2025

10 Steps to Become a Data Scientist

Use this roadmap to kickstart your data science career.

Cassie Kozyrkov Cassie Kozyrkov
Updated on June 02, 2025

Statistics: Are You Bayesian or Frequentist?

Is your statistical alignment Bayesian or a Frequentist? It all comes down to random variables. Learn more.

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Ahmad Shadid Ahmad Shadid
Updated on May 30, 2025

How Trump’s ‘Big Beautiful Bill’ May Harm AI Development in the US

Having just passed the house, the so-called Big Beautiful Bill is a sweeping piece of legislation. Our expert analyzes how its ban on state-level AI regulation may impact the field.

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Peter Grant Peter Grant
Updated on May 29, 2025

How to Use Python Functions Effectively: 6 Tips to Know

Here are six things you need to know about using these powerful tools in order to write more Pythonic code.

Stav Levi-Neumark Stav Levi-Neumark
Updated on May 29, 2025

Why Successful Agentic AI Adoption Begins With Honesty and Good Data

Agentic AI can improve sales interactions and outreach for B2B companies, but it must start from a place of trust with customers. Here’s how.  

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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.

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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.

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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.

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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.

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