Couple of model assessment exercises

model-assess.Rmd

@@ -85,3 +85,10 @@ ggplot(, aes(mse)) +
   geom_histogram(binwidth = 0.25) + 
   geom_vline(xintercept = base_mse, colour = "red")
 ```
+
+
+### Exercises
+
+1.  Given a list of formulas, use purr to fit them.
+
+1.  Given a list of model functions, and parameters, use purrr to fit them.