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Define, compile, & simulate the regression model

Upon observing the relationship between weight \(Y\)i and height \(X\)i for the 507 subjects \(i\) in the bdims data set, you can update your posterior model of this relationship. To build your posterior, you must combine your insights from the likelihood and priors:

  • likelihood: \(Y\)i \(\sim N(m\)i, \(s^2)\) where \(m\)i \(= a + b X\)i
  • priors: \(a \sim N(0, 200^2)\), \(b \sim N(1, 0.5^2)\) and \(s \sim Unif(0, 20)\)

In this series of exercises, you'll define, compile, and simulate your Bayesian regression posterior. The bdims data are in your work space.

本练习是课程的一部分

Bayesian Modeling with RJAGS

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交互式实操练习

通过完成这段示例代码来试试这个练习。

# DEFINE the model    
weight_model <- ___
编辑并运行代码