Exercise

Calculate Adjusted Scales

It's important to understand how rstanarm calculates adjusted scales for prior distributions, as priors can have a large impact on our estimates if not used in an appropriate manner. Calculate what the adjusted scales should be using the already loaded songs data.

Instructions

100 XP

Calculate the adjusted scale of the intercept.
Calculate the adjusted scale of the song_age.
What would be the adjusted scale of valence if it were in the model?