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Ryan Holbrook Profile picture
Ryan Holbrook
@ryanpholbrook
Math, stats, programming. R, Python, Haskell. Interested in employment opportunities.
Jan 18, 2020 • 18 tweets • 5 min read
A thread of classifiers learning a decision rule. Dashed line is optimal boundary. Animations with #gganimate by @thomasp85 and @drob. #rstats

Logistic regression {stats::glm} with each class having normally distributed features. (1/n) Quadratic discriminant analysis {MASS::qda} with normal features. The QDA model is the same as the data model in this case, and so it fits the optimal boundary very closely. (2/n)