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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.

Diese Übung ist Teil des Kurses

<Kurs>Bayesian Regression Modeling with rstanarm</Kurs>
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Übungsanweisungen

  • 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?

Interaktive praktische Übung

Versuche dich an dieser Übung, indem du diesen Beispielcode vervollständigst.

# Calculate the adjusted scale for the intercept
___ * sd(songs$___)

# Calculate the adjusted scale for `song_age`
(___ / sd(songs$___)) * sd(songs$___)

# Calculate the adjusted scale for `valence`
(___ / sd(songs$___)) * sd(songs$___)
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