Posts

The John Oliver Effect

Background John Oliver recently discussed genetic editing on Last Week Tonight. Luckily by chance I have had an automated R script running everyday that collects all tweets that mention the term CRISPR, the leading method of genetic editing at this time. Bringing these two events together, I am …

DC Bike Crash Analysis

The number of bike lanes in DC have proliferated in the past few years, ostensibly providing cyclists with increased safety. However, not all bike lanes are created equal: protected bike lanes with intermittent posts provide greater protection than bike lanes sandwiched between busy streets and …

Stacked Ensemble Modeling

Summary I looked to Kaggle to further practice building predictive models. After optimizing single and ensemble regression techniques, I uncovered ensemble stacking as a method for building a strong predictive model from a collection of weak learners. The outcome is drastic improvements in …