Conceptual and Statistical Knowledge

 

Evaluating the R-Index and the P-Curve

This blog evaluates the R-Index and the P-Curve

Falsely Reassuring: Analyses of ALL p-values

A blog post that describes analyses of all p-values

P-curve visualization updated with log x-axis

My p-curve tool now lets you show the x-axis on a log₁₀ scale, which makes it a lot easier to look at really small p-values

Short R script to plot effect sizes (Cohen's d) and share overlapping are

This blog describes how to plot effect sizes (Cohen's d) and shade overlapping area with R scripts

The Amazing Significo: why researchers need to understand poker

A post that describes significance values

The default bayesian test is prejudiced against small effects

When considering any statistical tool I think it is useful to answer the following two practical questions: 1. "Does it give reasonable answers in realistic circumstances?" and 2. "Does it answer a question I am interested in?" In this post I explain …

why p = .048 should be rare (and why this feels counterintuitive)

This post discusses the why p value around .048 should be rare

Always use Welch t-test

This is a blogpost describing why we should use Welch t-test instead of Student t-test

Calculating the overlap of two normal distributions using monte carlo intergration

I read this post over at the blog Cartesian Faith about Probability and Monte Carlo methods. The post describe how to numerically intregate using Monte Carlo methods. I thought the results looked cool so I used the method to calculate the overlap of …

DAGitty

DAGitty is a browser-based environment for creating, editing, and analyzing causal diagrams (also known as directed acyclic graphs or causal Bayesian networks). The focus is on the use of causal diagrams for minimizing bias in empirical studies in …
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