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1. second_brain second_brain Public

   Local-first CLI that indexes notes, PDFs, screenshots, and Apple Mail into Chroma, then answers questions in the terminal with Ollama. No cloud chat API by default.

   Python

2. causal causal Public

   Train and evaluate uplift meta-learners (T/X/DR/R) on a simulated digital-ads dataset with biased treatment assignment and a known heterogeneous treatment effect.

   Python

3. variance variance Public

   Monte Carlo simulations of synthetic ad-style RCTs comparing variance-reducing average treatment effect estimators—CUPED vs Double ML—using pre-period outcomes and covariates.

   Python

4. gbdt gbdt Public

   Train and evaluate GBDT against logistic regression on synthetic ad-click–style tabular data, with validation-based tuning, metrics, and plots.

   Python

5. tic_tac_toe tic_tac_toe Public

   Tic-tac-toe agent using a policy-value network and MCTS, with training metrics, optional expert pretraining, and GUI/CLI play.

   Python

6. game_of_life game_of_life Public

   Conway’s Game of Life in Python with tkinter, RLE patterns, and optional LifeWiki downloads.

   Python