explorer 0.5.5

v0.5.5

on Hex

Added

• Add support for multiple value columns in pivot wider. The resultant dataframe that is created from this type of pivoting is going
  to have columns with the names prefixed by the original value column, followed by an underscore and the name of the variable.

• Add Explorer.Series.ewm_mean/2 for calculating exponentially weighted moving average.

Changed

• Change the Explorer.Backend.DataFrame's pivot_wider callback to work with multiple columns instead of only one.

• Change the Explorer.Backend.DataFrame's window_* callbacks to work with variables instead of keyword args. This is needed to make explicit when a backend is not implementing an option.

• Change the Explorer.Backend.DataFrame's describe callback and remove the need for an "out df", since we won't have a lazy version of that funcion.

• This shouldn't affect the API, but we had an update in Polars. It is now using v0.27.2. For further details, see:
  Rust Polars 0.27.0.

Fixed

• Provide hints when converting string/binary series to tensors.

• Add libatomic as a link to the generated NIF. This is needed to fix the load of the Explorer NIF when running on ARM 32 bits machines like the Pi 3. See the original issue

Pull requests

• Add support for multiple value columns in pivot wider by @philss in #538
• Update polars to v0.27.2 by @philss in #540
• Use Keyword.validate!/2 instead of Keyword.merge/3 by @sasikumar87 in #542
• Add Series.ewm_mean/2 for calculating exponentially weighted moving average by @sasikumar87 in #541
• Update window_* backend functions' keyword args to arguments by @sasikumar87 in #543
• Add libatomic as a link to the generated NIF by @philss in #544
• Prepare release of v0.5.5 by @philss in #545

Full Changelog: v0.5.4...v0.5.5

Checksums

Here is the list of SHA256 checksums of the precompiled files:

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