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1. cross-validation-glm-vs-lmer-vs-brms cross-validation-glm-vs-lmer-vs-brms Public

   Repeated k-fold cross validation to evaluate glm (linear) versus lmer (mixed) versus brms (bayesian) models

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2. arrow_vs_dart arrow_vs_dart Public

   Classifier for North American arrows versus darts

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3. baseball-heat-map baseball-heat-map Public

   Use baseball data from Mike Trout to model exit velocity as a function of pitch location. Visualize with a heat map in R

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4. keras-logistic-regression keras-logistic-regression Public

   Show how a Keras neural network simplifies to a logistic regression

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5. neural-network-regularization neural-network-regularization Public

   Use Keras in R to purposefully overfit the MNIST dataset. Then improve generalizability with dropout and regularization

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6. accuracy-sensitivity-specificity-precision accuracy-sensitivity-specificity-precision Public

   Unbalanced targets require special attention to the sensitivity vs specificity tradeoff, and the sensitivity vs precision tradeoff. Here I use two examples, cancer and loan defaults, to demonstrate…

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