Exercises
- Rerun the first model using the variables petal length and then petal width. What are the main differences in the results? How wide or narrow is the 95% HPD interval in each case?
-
Repeat exercise 1, this time using a Student's t-distribution as weakly informative prior. Try different value of
.
- Go back to the first example, the logistic regression for classifying setosa or versicolor given sepal length. Try to solve the same problem using a simple linear regression model as we saw in the previous chapter. How useful is a linear regression compared to the logistic regression? Can the result be interpreted as a probability? Hint: check if ...
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