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Pandas (software)

Pandas (software)

pandas is a fast, powerful, flexible and easy to use open source data analysis and manipulation tool,built on top of the Python programming language.


pandas aims to be the fundamental high-level building block for doing practical, real world data analysis in Python. Additionally, it has the broader goal of becoming the most powerful and flexible open source data analysis / manipulation tool available in any language.


A world where data analytics and manipulation software is:

  • Accessible to everyone
  • Free for users to use and modify
  • Flexible
  • Powerful
  • Easy to use
  • Fast

Is in the core of pandas to be respectful and welcoming with everybody, users, contributors and the broader community. Regardless of level of experience, gender, gender identity and expression, sexual orientation, disability, personal appearance, body size, race, ethnicity, age, religion, or nationality.

Library Highlights
  • A fast and efficient DataFrame object for data manipulation with integrated indexing;

  • Tools for reading and writing data between in-memory data structures and different formats: CSV and text files, Microsoft Excel, SQL databases, and the fast HDF5 format;

  • Intelligent data alignment and integrated handling of missing data: gain automatic label-based alignment in computations and easily manipulate messy data into an orderly form;

  • Flexible reshaping and pivoting of data sets;

  • Intelligent label-based slicing, fancy indexing, and subsetting of large data sets;

  • Columns can be inserted and deleted from data structures for size mutability;

  • Aggregating or transforming data with a powerful group by engine allowing split-apply-combine operations on data sets;

  • High performance merging and joining of data sets;

  • Hierarchical axis indexing provides an intuitive way of working with high-dimensional data in a lower-dimensional data structure;

  • Time series-functionality: date range generation and frequency conversion, moving window statistics, date shifting and lagging. Even create domain-specific time offsets and join time series without losing data;

  • Highly optimized for performance, with critical code paths written in Cython or C.

Python with pandas is in use in a wide variety of academic and commercial domains, including Finance, Neuroscience, Economics, Statistics, Advertising, Web Analytics, and more.


Further Resources


Python for Data Analysis: Data Wrangling with Pandas, NumPy, and IPython

Wes McKinney


October 20, 2017

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