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Love the visual map. What does color mean? Any way to do a 3rd PC, and put the visualization in a cube one can toy around with?

Colour is the 3rd component -- I wanted to see the difference between overlapping episodes.

As for the 3D plot... here you go!

Basic PCA + Plotly is actually in OpenAI's official Python library (in `embedding_utils`) -- this plot is just the output from that.

:D this made my day.