Latest from the Blog
The 3 AM Scroll: Why We Binge and How to Stop
I have a confession to make: If I start a good TV series, I will watch it until the sun comes up. It’s not just a preference; it feels like a compulsion. I often wonder if it’s just the pace of modern life that makes us crave this escape, or if I’m actually dealing with…
Contrast coding
Assigning numerical values to categorical (factor) variables is called contrast coding. This need arises when we want to estimate the difference in the dependent variable among different conditions of an independent variable. In other words, we use contrast coding to instruct the Bayesian model to compare the conditional means between different conditions or bundles of…
Bayesian Hierarchical Model
Data is often grouped by similarities that arise from repeated measurements for each subject or experimental item. This structure can be represented as hierarchies. This type of model is known as a hierarchical model, multi-level model, mixed model, or partial pooling model. Exchangeability The Bayesian hierarchical model is based on the assumption of exchangeability. This…
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Guest on the Snow Mountain 