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latest blog posts

Member Training: Introduction to Binary Logistic Regression

December 3, 2024 • TAF Support

Binary logistic regression is one of the most useful regression models. It allows you to predict, classify, or understand explanatory relationships between a set of predictors and a binary outcome. Read More

Regression Models: How do you know you need a polynomial term?

November 18, 2024 • Karen Grace-Martin

You might be surprised to hear that not only can linear regression fit lines between a response variable Y and one or more predictor variables, X, it can fit curves too. There are many ways to do this, but the simplest is by adding a polynomial term. So what is a polynomial term and how […] Read More

When to Report Separate Group or a Pooled Mean

November 12, 2024 • guest contributer

Have you ever wondered whether you should report separate means for different groups or a pooled mean from the entire sample? This is a common scenario that comes up, for instance in deciding whether to separate by sex, region, observed treatment, et cetera. Read More

stat skill-building compass

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