explorer 0.5.2

v0.5.2

on Hex

Added

• Add across and comprehensions to Explorer.Query. These features allow a
  more flexible and elegant way to work with multiple columns at once. Example:

  iris = Explorer.Datasets.iris()
  Explorer.DataFrame.mutate(iris,
   for col <- across(["sepal_width", "sepal_length", "petal_length", "petal_width"]) do
     {col.name, (col - mean(col)) / variance(col)}
   end
  )

  See the Explorer.Query documentation for further details.

• Add support for regexes to select columns of a dataframe. Example:

  df = Explorer.Datasets.wine()
  df[~r/(class|hue)/]

• Add the :max_rows and :columns options to Explorer.DataFrame.from_parquet/2. This mirrors
  the from_csv/2 function.

• Allow Explorer.Series functions that accept floats to work with :nan, :infinity
  and :neg_infinity values.

• Add Explorer.DataFrame.shuffle/2 and Explorer.Series.shuffle/2.

• Add support for a list of filters in Explorer.DataFrame.filter/2. These filters are
  joined as and expressions.

Fixed

• Add is_integer/1 guard to Explorer.Series.shift/2.
• Raise if series sizes do not match for binary operations.

Changed

• Rename the option :replacement to :replace for Explorer.DataFrame.sample/3 and
  Explorer.Series.sample/3.

• Change the default behaviour of sampling to not shuffle by default. A new option
  named :shuffle was added to control that.

Pull requests

• Allows Series functions to receive nan, infinity, and neg_infinity values by @Jhonatannunessilva in #512
• Remove Elixir 1.13 from CI workflows by @philss in #513
• Allow Series.pow/2 to receive float series on both sides and negative base by @Jhonatannunessilva in #514
• Add DF.shuffle/2 and Series.shuffle/2 by @philss in #517
• Add :name field to Series struct by @philss in #518
• add max_rows and columns options to from_parquet by @mlineen in #510
• Change Series "concat" callback to be of arity 1 by @philss in #522
• Add integer typecheck guard to Series.shift by @blutack in #524
• Add support for a list of filters in DF.filter/2 by @philss in #525
• Prepare for v0.5.2 release by @philss in #526

New Contributors

• @mlineen made their first contribution in #510
• @blutack made their first contribution in #524

Full diff: v0.5.1...v0.5.2
Official Changelog: https://hexdocs.pm/explorer/changelog.html

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