📅 2024-01-15 — Session: Enhanced Data Processing and Visualization Techniques
🕒 18:10–18:30
🏷️ Labels: Data Processing, Visualization, Python, Pandas, Matplotlib
📂 Project: Dev
⭐ Priority: MEDIUM
Session Goal: The session aimed to enhance data processing functions for financial tickers and improve data visualization techniques using Python libraries.
Key Activities:
- Developed a streamlined function for processing stock data, which includes fetching and enhancing data with additional columns for residuals and returns.
- Explored combining line plots and candlestick charts using Matplotlib and mplfinance, providing insights on setting up twin axes for better visualization.
- Addressed the
SettingWithCopyWarning
in Pandas, offering solutions to avoid it by using.copy()
and.loc[]
methods. - Improved practices for DataFrame modifications in Pandas to ensure stable behavior and prevent warnings.
- Resolved issues with Unix timestamp handling in date visualizations, ensuring proper parsing to datetime objects.
- Enhanced the readability of date labels on Matplotlib x-axis by customizing date formats and label rotations.
Achievements:
- Successfully designed a comprehensive data processing function for stock data.
- Developed clear guidelines for combining different chart types in data visualization.
- Implemented best practices for DataFrame manipulation to avoid common warnings.
- Improved date handling and display in visualizations, enhancing clarity and accuracy.
Pending Tasks:
- Further testing and validation of the new data processing function in different scenarios.
- Exploration of additional visualization libraries for more complex data representations.