[WIP] Update modules/strategy_single.py with SingleAssetAnalyzer class

[Copilot]

• Add necessary imports (yfinance, sklearn, statsmodels, datetime, itertools) to modules/strategy_single.py
• Append new SingleAssetAnalyzer class to the end of modules/strategy_single.py (preserving all existing functions)
• Add statsmodels to requirements.txt
• Verify that the application still works (test imports)

Original prompt

The user wants to update modules/strategy_single.py with new code containing a SingleAssetAnalyzer class that uses sklearn and statsmodels.

The user explicitly requested "sans casser mon code" (without breaking my code).
The existing modules/strategy_single.py contains functional strategies (Buy & Hold, SMA, RSI, MACD, etc.) that are imported and used by app.py.
The new code provided is a class-based structure (SingleAssetAnalyzer) that implements some strategies (Momentum, Cross MMS, BB) and adds prediction models (Linear Regression, ARIMA, Random Forest), but lacks some existing strategies (RSI, MACD, Golden Cross) and has a different interface.

To satisfy the request of updating the file without breaking the application:

1. Update modules/strategy_single.py:
   • Add the new necessary imports (yfinance, sklearn, statsmodels, datetime, itertools) at the top.
   • Preserve all existing functions (strategy_buy_and_hold, strategy_sma, etc.) so app.py imports remain valid.
   • Append the new SingleAssetAnalyzer class to the end of the file.
2. Update requirements.txt:
   • Add statsmodels which is required by the new code but missing in the current requirements.

This approach allows the new logic to be available in the project (updating the file) while maintaining backward compatibility for the running application.

This pull request was created as a result of the following prompt from Copilot chat.

The user wants to update modules/strategy_single.py with new code containing a SingleAssetAnalyzer class that uses sklearn and statsmodels.

The user explicitly requested "sans casser mon code" (without breaking my code).
The existing modules/strategy_single.py contains functional strategies (Buy & Hold, SMA, RSI, MACD, etc.) that are imported and used by app.py.
The new code provided is a class-based structure (SingleAssetAnalyzer) that implements some strategies (Momentum, Cross MMS, BB) and adds prediction models (Linear Regression, ARIMA, Random Forest), but lacks some existing strategies (RSI, MACD, Golden Cross) and has a different interface.

To satisfy the request of updating the file without breaking the application:

1. Update modules/strategy_single.py:
   • Add the new necessary imports (yfinance, sklearn, statsmodels, datetime, itertools) at the top.
   • Preserve all existing functions (strategy_buy_and_hold, strategy_sma, etc.) so app.py imports remain valid.
   • Append the new SingleAssetAnalyzer class to the end of the file.
2. Update requirements.txt:
   • Add statsmodels which is required by the new code but missing in the current requirements.

This approach allows the new logic to be available in the project (updating the file) while maintaining backward compatibility for the running application.

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