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Category: Hypothesis Testing


Hypothesis testing: section 4.6 of Regression and Other Stories

Posted on May 29, 2024 Updated on May 29, 2024

Gelman, et al. tell a story from long ago where someone sent them a fax (that’s right, a fax) asking for… Read more

Posted in Hypothesis Testing     Tags: regression and other stories     Leave a comment     


Parametric Bootstrap of Kolmogorov–Smirnov Test

Posted on May 25, 2024 Updated on May 29, 2024

Zeimbekakis, et al. recently published an article in The American Statistician titled On Misuses of the Kolmogorov–Smirnov Test for One-Sample Goodness-of-Fit…. Read more

Posted in Hypothesis Testing, Simulation     Tags: bootstrap, Kolmogorov–Smirnov Test, regression and other stories     Leave a comment     


Most useful tests for an ANCOVA model

Posted on January 21, 2019 Updated on September 13, 2020

In his book Regression Modeling Strategies, 2nd Ed, Frank Harrell provides a list of what he calls the “most useful… Read more

Posted in Hypothesis Testing, Regression, Simulation, Using R     Tags: ANCOVA, car, Harrell, linear modeling, margins, simulation     Leave a comment     


Profile likelihood ratio confidence intervals

Posted on October 22, 2016 Updated on September 13, 2020

When you fit a generalized linear model (GLM) in R and call confint on the model object, you get confidence… Read more

Posted in Hypothesis Testing, Probability, Regression, Using R     Tags: glm, likelihood profile, logistic regression     1 Comment     


Testing Composite Hypotheses about Fixed Effects (Ch 4 of ALDA)

Posted on July 25, 2013 Updated on March 11, 2015

I’m still on my ALDA kick here, this time posting about section 4.7 of Chapter 4. In my last post… Read more

Posted in Hypothesis Testing, Longitudinal Data Analysis, Multilevel Modeling, Using R     Tags: ALDA, general linear hypothesis, lme4, Wald statistic     Leave a comment     


Explaining and simulating an F distribution

Posted on September 12, 2011 Updated on August 18, 2023

I remember feeling very uncomfortable with the F distribution when I started learning statistics. It comes up when you’re learning… Read more

Posted in Continuous distributions, Hypothesis Testing, Simulation     Tags: ANOVA, simulation     3 Comments     


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