temporian

Temporian is an open-source Python library for preprocessing ⚡ and feature engineering 🛠 temporal data 📈 for machine learning applications 🤖

APACHE-2.0 License

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temporian - v0.9.0

Published by javiber 6 months ago

Release notes

Features

  • Add tp.from_polars and tp.to_polars. @akshatvishu
  • Add EventSet.filter_moving_count.
  • Add tp.input_node_from_schema.
  • Add tp.from_struct.

Improvements

  • Add before_first and after_last parameters to EventSet.tick and EventSet.tick_calendar
  • Added bokeh_webgl as a possible backend for tp.plot.
  • Binary operations maintain the name of the feature on the left.
  • Implement more operators in beam (still in beta).

Fixes

  • Fixed a bug in EventSet.tick_calendar where it would miss the first tick under certain conditions
  • Fixed a bug in EventSet.tick where it would miss the last tick under certain conditions
  • Upgrade to tensorflow 2.13 for compatibility with macOS on arm

What's Changed

Full Changelog: https://github.com/google/temporian/compare/v0.8.1...v0.9.0

temporian - v0.8.0 Latest Release

Published by javiber 7 months ago

Release notes

Features

  • Add EventSet.moving_product() and EventSet.cumprod() operators. @akshatvishu
  • Add to.to_numpy(). @nagavenkateshgavini
  • Add trigonometric functions EventSet.arccos(), EventSet.arcsin(), EventSet.arctan(), EventSet.cos(), EventSet.sin(), and EventSet.tan(). @akshatvishu

Improvements

  • Speed up of calendar operations (now implemented in c++)
  • Add force_garbage_collector_interval to tp.compile.
  • Improved worst case time complexity from quadratic to linear for moving min/max operator.
  • Show first and last events instead of only first ones when displaying an EventSet. @jtaylor205
  • Exposed tp.FeatureSchema and tp.IndexSchema
  • EventSet.propagate now works even if both arguments don't have the same index values.
  • Add font_scale param to tp.plot
  • Speed-up tp.plot on evsets with a large number of index values.
  • tp.plot now works even when evsets have different index values.
  • Allow tp.from_tensorflow_record to consume a list of paths.
  • Add parameters num_parallel_reads and buffer_size to tp.from_tensorflow_record.
  • Check that timestamps are sorted on tp.from_tensorflow_record

Fixes

  • Fixed a bug with EventSet.tick_calendar and daylight savings time.
  • Fixed a bug with calendar operations and daylight savings time.

Thanks

In adition to the contributors mentioned above, thanks to @umbr4g3, @jsoref, and @tanaysd for improvements to the Github Actions and profiling.

What's Changed

New Contributors

Full Changelog: https://github.com/google/temporian/compare/v0.7.0...v0.8.0

temporian - v0.7.0

Published by ianspektor 9 months ago

Release notes

Features

  • Add tp.from_parquet() and tp.to_parquet().
  • Add EventSet.fillna() operator.

Improvements

  • Add support for pip build on Windows.
  • Documentation improvements.
  • Add timestamps parameter to tp.from_pandas().
  • Add implicit casting in EventSet.where() operator.
  • Add support for list argument in EventSet.rename() operator.

What's Changed

New Contributors

Full Changelog: https://github.com/google/temporian/compare/v0.1.6...v0.7.0

temporian - v0.1.6

Published by ianspektor 11 months ago

Release Notes

Features

  • Support for timezone argument in all calendar operators.
  • Add drop() operator to drop features.
  • Add assign() operator to assign features.
  • Add before() and after() operators.

Improvements

  • Improve error messages for type mismatch in window operators.
  • Improve structure of docs site.
  • Support exporting timestamps as datetimes in tp.to_pandas().
  • Remove inputs limit in glue() and combine().

Fixes

  • Use wday=0 for Mondays in tick_calendar (like calendar_day_of_week).

  • Support bool in DType.missing_value().

  • Show EventSet's magic methods in docs.

  • What's Changed

New Contributors

Full Changelog: https://github.com/google/temporian/compare/v0.1.5...v0.1.6

temporian - v0.1.5

Published by ianspektor about 1 year ago

Release Notes

Features

  • Added EventSet.filter_moving_count() operator.
  • Added EventSet.map() operator.
  • Added EventSet.tick_calendar() operator.
  • Added EventSet.where() operator.
  • Added all moving window operators to Beam execution backend.

Improvements

  • Print EventSet timestamps as datetimes instead of float.
  • Support sampling argument in EventSet.cumsum() operator.
  • Using utf-8 codec to support non-ascii in string values.
  • New tp.types module to facilitate access to types used throughout the API.
  • Relaxed version requirements for protobuf and pandas.

Fixes

  • Fixed issues when loading timestamps from np.longlong and other dtypes.

What's Changed

Full Changelog: https://github.com/google/temporian/compare/v0.1.4...v0.1.5

temporian - v0.1.4

Published by ianspektor about 1 year ago

Temporian v0.1.4 Release Notes

Features

  • Added EventSet.select_index_values() operator.
  • Added steps argument to EventSet.since_last() operator.
  • Added variable window_length option to moving window operators.
  • Added unsupervised anomaly detection tutorial.
  • Added Beam execution tutorial.
  • Added changelog to docs site.

Improvements

  • Added display_max_feature_dtypes and display_max_index_dtypes options to
    tp.config.
  • Improved HTML display of an EventSet.
  • Improvements in Beam execution backend.

Fixes

  • Fixed tutorials opening unreleased versions of the notebooks.
temporian - v0.1.3

Published by ianspektor about 1 year ago

This is the first operational version of Temporian for users. The list whole and
detailed list of features is too long to be listed. The main features are:

  • PyPI release.
  • 72 operators.
  • Execution in eager, compiled mode, and graph mode.
  • IO Support for Pandas, CSV, Numpy and TensorFlow datasets.
  • Static and interactive plotting.
  • Documentation (3 minutes intro, user guide and API references).
  • 5 tutorials.

What's Changed

Full Changelog: https://github.com/google/temporian/compare/v0.1.2...v0.1.3

temporian - v0.1.2

Published by ianspektor over 1 year ago

What's Changed

New Contributors

Full Changelog: https://github.com/google/temporian/compare/v0.1.1...v0.1.2

temporian - v0.1.1

Published by ianspektor over 1 year ago

What's Changed

Full Changelog: https://github.com/google/temporian/compare/v0.1.0...v0.1.1

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