Spatial Data Analysis in R

In this tutorial you will learn how to define geometries (points, lines, polygons) plot those geometries execute spatial joins (which points are contained in a polygon?) get the distance between a set of points do all of the above within the context of geospatial data...

Gradient Boosting Explained

If linear regression was a Toyota Camry, then gradient boosting would be a UH-60 Blackhawk Helicopter. A particular implementation of gradient boosting, XGBoost, is consistently used to win machine learning competitions on Kaggle. Unfortunately many practitioners...

Random Forest From Top To Bottom

In three months (as of June 2016) the New Orleans Saints will play a football game against the Atlanta Falcons. I want to know who will win. I ask my friend and he says the Saints. Technically this is a predictive model, but it’s probably not worth much. I can improve...