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@apache @statsmodels @pydata @datapad @twosigma @conda-forge @pandas-dev @maintainers @ibis-project

Pinned repositories

  1. apache/arrow

    Apache Arrow is a cross-language development platform for in-memory data. It specifies a standardized language-independent columnar memory format for flat and hierarchical data, organized for effic…

    C++ 2.3k 629

  2. pandas-dev/pandas

    Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

    Python 15.6k 6.3k

  3. apache/parquet-cpp

    Apache Parquet

    C++ 242 133

  4. pydata-book

    Materials and IPython notebooks for "Python for Data Analysis" by Wes McKinney, published by O'Reilly Media

    Jupyter Notebook 6.4k 5.9k

  5. ibis-project/ibis

    A pandas-like deferred expression system, with first-class SQL support (Impala, PostgreSQL, SQLite, ...)

    Python 1.1k 137

  6. feather

    Feather: fast, interoperable binary data frame storage for Python, R, and more powered by Apache Arrow

    C++ 1.8k 138

1,325 contributions in the last year

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August 2018

Created a pull request in apache/arrow that received 16 comments

ARROW-2814: [Python] Unify conversion paths for sequences of Python objects

Key points All object sequences, including NumPy arrays of objects are being converted in builtin_convert.cc pyarrow.array can now yield chunked o…

+1,814 −1,886 • 16 comments

Created an issue in pandas-dev/pandas that received 8 comments

BUG: Regression creating DataFrame from nested dict

Code Sample, a copy-pastable example if possible # Your code here pop = {'Nevada': {2001: 2.4, 2002: 2.9}, 'Ohio': {2000: 1.5, 2001: 1.7, 2002: 3.6}…

8 comments

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