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Update 8-stock_trend_classification.ipynb

Update 8-stock_trend_classification.ipynb

Update 9-optimal_portfolio_selection.ipynb

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final notebook: optimal portfolio selection

Merge remote-tracking branch 'origin/master'

final notebook: optimal portfolio selection

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readme

Trend classification

changed features to annualized returns

problem: oom after 1000 iterations, and not effective with this little training

started deep reinforcement learning with graph neural networks. Custom PPO implementation.

small adjustment