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latest blog posts

Concepts in Linear Regression to know before learning Multilevel Models

November 21, 2023 • Karen Grace-Martin

Learning Multilevel Models is hard enough. Even worse if you don't have a good background in linear regression. This article outlines 4 must-know concepts. Read More

The Difference between Standard Deviation and Standard Error

November 10, 2023 • Karen Grace-Martin

Standard deviation and standard error are statistical concepts you probably learned well enough in Intro Stats to pass the test.  Conceptually, you understand them, yet the difference doesn’t make a whole lot of intuitive sense. So in this article, let’s explore the difference between the two. We will look at an example, in the hopes […] Read More

Member Training: Frailty Models

November 2, 2023 • TAF Support

Most survival analysis models for time-to-event data, like Cox regression, assume independence. The survival time for one individual cannot influence the survival time for another. This assumption doesn’t hold in many study designs. You may have animals clustered into litters, matched pairs, or patients in a multi-center trial with correlated survival times within a center. Read More

stat skill-building compass

Find clarity on your statistics journey. Try the new tool Stat Skill-Building Compass: Find Your Starting Point!