This interactive choropleth map shows the results of a cluster analysis on Bay Area traffic density data.
From a data science seminar series I gave colleagues. Helpful reminder of the differences between quantiles, CIs, SDs and SEs.
Also from a data science seminar series I gave colleagues. Made in TikZ, an illustration of gradient descent. Function is 7xy/e^(x^2 + y^2); path calculated in Python.