Interactives
Explorable versions of the course’s hardest ideas. Everything runs in your browser — no installs, no server.
| Explorable | Idea it teaches | Session | Status |
|---|---|---|---|
| Kalman filter playground | Signal vs. noise, the gain as attention, the ragged edge | 1 | live |
| Factor model playground | Witnesses and the factor, rotation, the ragged edge, the standardization trap | 2 | live |
| STL decomposition explorer | What “seasonally adjusted” actually does | 3 | in development |
| MIDAS weight visualizer | How lag polynomials weight high-frequency data | 6 | in development |