Aaron Kramer

https://www3.nd.edu/~rwilliam/stats3/Margins03.pdf

This pattern is enabled for FI but not for pdps: ``` f, axes = plt.subplots(2,2, figsize = (16, 16)) ax_dict = { 'mlp':axes[0][0], 'knn':axes[1][0], 'reg':axes[0][1], 'gb':axes[1][1] } interpreter = Interpretation()...

instead of rendering rectangles, interpolate rbg points.