Math 300Z: In-class group activity

Got you covered

Simulate from a DAG, use the data to train a model that has all the same explanatory variables as in the formula for y in the DAG, and calculate the confidence interval @ 95%

Did everybody’s interval include the parameter from the DAG?

Move to an 80% interval. About 4 students should not cover the parameter.

Move to a 50% interval. About 10 students should not cover the parameter.

Move to a 100% interval. What do the results tell you?

Frederick the Great said, “To defend everything is to defend nothing.” paraphrase as “To try to cover everything is to cover nothing.”