predicted3pfg Published August 20, 2017 at 1204 × 866 in Basics in Negative Binomial Regression: Predicting Three Point Field Goal Percentages ← Previous Comparison of predicted 3PFG% to actual 3PFG%. The red line signifies we predicted accurately. Zero inflation is running up the y-axis. Demetrius Jackson is way over on the 100% axis.