Resolved Python Plotting Issues with Matplotlib and Backtrader

2 min read

📅 2024-01-16 — Session: Resolved Python Plotting Issues with Matplotlib and Backtrader

🕒 17:20–17:50
🏷️ Labels: Python, Matplotlib, Backtrader, Plotting, Troubleshooting
📂 Project: Dev
⭐ Priority: MEDIUM

Session Goal

The session aimed to troubleshoot and resolve issues related to displaying and saving plots in Python, specifically using Matplotlib within the Backtrader framework.

Key Activities

  • Troubleshooting Plot Display Issues: Steps were outlined to address problems with displaying or saving plots, focusing on Matplotlib in a Backtrader context.
  • Handling Unexpected Output: The code for cerebro.plot() was modified to handle unexpected list outputs, ensuring proper saving of Matplotlib figures.
  • Refined Code Implementation: Updated Python code was provided to save figures from nested list structures with unique filenames.
  • Resolving Time Series Plotting Issues: Addressed issues with plotting the OLSResiduals indicator and ensured missing lines were plotted.
  • Configuring Data Feed Instances: Managed multiple data feed instances in Backtrader, focusing on plotting cash and total investment.
  • Customizing Plotting for Observers: Customized plotting options for Broker and Trades observers in the Cerebro framework.

Achievements

  • Successfully resolved plotting issues in Python using Matplotlib and Backtrader.
  • Improved code for handling and saving plot figures.
  • Enhanced plotting configuration for time series and financial data visualization.

Pending Tasks

  • Further testing of customized plotting configurations to ensure robustness across different datasets.
  • Explore additional customization options for plotting observers in Cerebro.

Graph View

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