Data Science Articles

Nick Sanchez

Updated on January 23, 2025

AI hallucinations are thought to be a prevalent issue in tech, but what if it’s just user error? Our expert explains how to spot the difference.

Gianluca Malato

Updated on January 23, 2025

The Shapiro-Wilk test is a hypothesis test that is applied to a sample whose null hypothesis is that the sample has been generated from a normal distribution.

Parag Radke

Updated on January 23, 2025

Forward chaining and backward chaining are two approaches to designing an expert system for AI that help you solve complex problems. Learn how they work.

Paras Varshney

Updated on January 23, 2025

Q-Q plots allow data scientists and other statisticians to graphically compare two probability distributions to determine normal distribution. Our expert explains how they work here.

Madhav L Mishra

Updated on January 23, 2025

What is the central limit theorem? Here's the statistical concept explained using a six-sided die.

Michael Galarnyk

Updated on January 23, 2025

The empirical rule, also known as the 68-95-99.7 rule, represents the spread of data within a normal distribution. Here’s what you need to know.

Vihar Kurama

Updated on January 22, 2025

Collaborative filtering is a method for recommending items to users based on how users with similar preferences have interacted with those same items. Here’s how it works, a helpful example and some pros and cons to consider.

Alyssa Schroer

Updated on January 22, 2025

These companies use AI to enhance business processes, from automating customer support to beefing up cybersecurity.

Farai Bvuma

Updated on January 22, 2025

A heap is a data structure that can be represented as a complete binary tree or in array form. Here’s what you need to know.

Denis Lukichev

Updated on January 21, 2025

Recursive SQL expressions allow you to reference previous results in a hierarchical data set in order to extract information. Here’s how it works.