Thursday, March 27, 2014

Visualizing principal components with R and Sochi Olympic Athletes

Principal Components Analysis (PCA) is used as a dimensionality reduction method. Here we simply explain PCA step-by-step using data about Sochi Olympic Curlers.

Estimating token counts from character length

When programatically using an AI chatbot API, it is easy to run up big bills. To avoid this, carefully moniter token usage, but resist the u...