Key Takeaways#

  • Filtering + Aggregation → summarize specific rows based on conditions.

  • GroupBy + Aggregation → summarize categories (all groups at once).

  • Grouping can be done on one or multiple columns.

Summary of Pandas: Key Features at a Glance#

  • Data Import/Export: Read from and write to CSV, Excel, SQL, JSON, and many other formats

  • Data Cleaning: Handle missing values, remove duplicates, filter outliers

  • Data Transformation: Reshape, pivot, melt, and transform your data

  • Data Aggregation: Group by categories and compute summary statistics

  • Time Series Analysis: Work with dates and times effortlessly

  • Visualization Integration: Works seamlessly with Matplotlib and Seaborn

Knowledge Check#