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Release notes

Latest changes (unreleased)

Features

Improvements

Fixes

v0.9.0

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

0.8.1

Adding missing wheels for macos, no changes to the library

0.8.0

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.

0.7.0

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.

0.1.6

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.

0.1.5

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.

0.1.4

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.
  • Add until_next operator.
  • 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.

0.1.3

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:

Features

  • 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.