Enhanced Data Processing and Visualization Techniques
- Day: 2024-01-15
- Time: 18:10 to 18:30
- Project: Dev
- Workspace: WP 2: Operational
- Status: Completed
- Priority: MEDIUM
- Assignee: Matías Nehuen Iglesias
- Tags: Data Processing, Visualization, Python, Pandas, Finance
Description
Session Goal:
The session aimed to enhance data processing and visualization techniques for financial data, focusing on streamlining processes and improving clarity in visual outputs.
Key Activities:
- Developed a function to streamline data processing for financial tickers, encapsulating multiple steps into a single callable function for efficiency and maintainability.
- Created a
process_stock_datafunction to fetch and enhance stock data, adding residuals and return columns for comprehensive analysis. - Explored combining line plots and candlestick charts in Matplotlib and mplfinance, detailing the setup for separate y-scales and ensuring clarity in visualization.
- Addressed the
SettingWithCopyWarningin Pandas, providing solutions to avoid it using the.copy()method and.loc[]for assignments. - Improved DataFrame modification practices by emphasizing the creation of copies and proper use of
.loc[]for stable behavior. - Resolved Unix timestamp issues in date handling for line plots, ensuring dates are parsed correctly using pandas.
- Enhanced date display on Matplotlib x-axis by customizing date formats and rotating labels for better readability.
Achievements:
- Successfully streamlined data processing functions for financial data.
- Improved visualization techniques, combining different chart types for better insights.
- Clarified and resolved common data manipulation warnings and issues in Pandas.
Pending Tasks:
- Further testing and validation of the combined chart techniques in different scenarios.
- Exploration of additional visualization libraries for potential enhancements.
Evidence
- source_file=2024-01-15.sessions.jsonl, line_number=3, event_count=0, session_id=52233dbeecf4b64311f2ecf210322e64864e521982cffa18e47fd8a32f578f85
- event_ids: []