Entry 17: Resampling
I have no intention of simply training a model and calling it quits. Once the model is trained, I need to now how well it did and what areas to concentrate o...
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Entry 16: Model Evaluation
Max Kuhn and Kjell Johnson make the case in Applied Predictive Modeling that models can easily overemphasize patterns that are not reproducible.
Entry 15: Categorical Correlation/Collinearity
To ensure my process worked, I used it on multiple datasets. The code from notebook to notebook is mostly the same, just run on different data. Per usual, th...
Entry 14: Encoding Categorical Variables
The Problem
Entry 13: Categorical Preliminaries
Real world data often includes categorical variables like: Male or female Continent: North America, South America, Europe, Asia, Australia, Antarctica, ...