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  • v0.6 Changes

    November 12, 2017

    ๐Ÿš€ Released: 2017-11-11

    • More idiomatic API mimicking kotlin stdlib where possible
    • โž• Added DataFrame.remove to drop columns from data-frames
    • โž• Added DataFrame.addColumn to add column from data-frames
    • โž• Added DataFrame.sortBy(TableFormula)
    • โž• Added DataFrame.filterByRow
    • Reworked column selector API
    • ๐Ÿ”„ Changed column expression API from Any to a constrained set of support types
    • ๐Ÿ›  Fixed issues when combining columns of different types (e.g. DoubleCol + IntCol
    • โฌ‡๏ธ Dropped most unary operators
  • v0.5 Changes


  • v0.4 Changes

    ๐Ÿš€ released on 2017-4-12

    ๐Ÿ†• New Features

    • ๐Ÿ›  spread()-gather() support for elegant data reshaping (fixes #2)
    • ๐Ÿ‘Œ Improve reshaping functionality by adding unite and separate (fixes #9)
    • โž• Added sampleFrac() and sampleN() for random sub-sampling of data-frames (either with or without replacement)

    ๐Ÿ›  Important Bug Fixes

    • mutate() can now change existing columns without altering column positions


    • ๐Ÿ†• New property accessor DataFrame.cols to access all columns of a data-frame
    • Incremented kotlin version to 1.1
  • v0.3 Changes

    ๐ŸŽ‰ Initial Release

    • Implement all dplyr core verbs
    • Implement all join types
    • ๐Ÿ‘ Table write support using csv-commons wrapper
    • โœ… Extensive unit test coverage =
    • TravisCI integration
    • ๐Ÿ‘Œ Support for count() and distinct()
    • Basic benchmarking framework (without jvm usage)