Releases · elixir-explorer/explorer

06 Jul 23:42

github-actions

v0.6.1

af224ed

v0.6.1

Pull requests

Fix summarise for lazy frames without groups by @philss in #643

Full Changelog: v0.6.0...v0.6.1

SHA256 checksums

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Contributors

philss

Assets 22

05 Jul 23:37

github-actions

v0.6.0

a32799e

v0.6.0

This version is exciting because it has the addition of a bunch of functions, thanks to the contributors! 💜
Shout out to those who made fixes and docs improvements as well!

Added

Add support for OTP 26 and Elixir 1.15.
Allow Explorer.DataFrame.summarise/2 to work without groups.
The aggregations can work considering the entire dataframe.
Add the following series functions: product/1, cummulative_product/1, abs/1,
skew/2, window_standard_deviation/3, rank/2, year/1, mounth/1, day/1,
hour/1, minute/1, second/1, strptime/2, strftime/2, argmin/1, argmax/1,
cut/3, qcut/3, correlation/3, covariance/2 and clip/3.

They cover a lot in terms of functionality, so please check the Explorer.Series
docs for further details.
Add Explorer.DataFrame.nil_count/1 that counts the number of nil elements in each
column.
Add Explorer.DataFrame.frequencies/2 that creates a new dataframe with unique rows
and the frequencies of each.
Add Explorer.DataFrame.relocate/3 that enables changing order of columns from a df.
Add precompiled NIFs for FreeBSD.
Support scalar values in the on_true and on_false arguments of Explore.Series.select/3.

Fixed

Fix Series.day_of_week/1 and Series.round/2 for operations using a lazy frame.
Fix upcasted date to datetime for literal expressions. It allows to use scalar dates
in expressions like this: DF.mutate(a: ~D[2023-01-01]). This also fixes the support
for naive datetimes.
Improve error messages returned from the NIF to be always strings. Now we add more
context to the string returned, instead of having {:context, error_message}.
Fix the :infer_schema_length option of Explorer.DataFrame.from_csv/2 when passing nil.
Now it's possible to take into account the entire file to infer the schema.

Deprecated

Deprecate Explorer.Series.to_date/1 and Explorer.Series.to_time/1 in favor of
using Explorer.Series.cast(s, :date) and Explorer.Series.cast(s, :time) respectively.

Pull requests

Fix representation of time series from us to ns by @philss in #596
Update Polars to v0.29 by @philss in #595
Fix typo in docs by @axelclark in #597
Add support for OTP 26 by @philss in #599
Fix infer_schema_length: nil option by @awerment in #600
Allow summarize to work without groups by @philss in #601
Update lib/explorer/data_frame.ex by @wojtekmach in #602
Run tests on CI using OTP 26 and Elixir 1.15 rc1 by @philss in #604
Improve caching on CI workflows by @philss in #605
Change compression backend for Polars by @philss in #606
Install CMake before building for RISC-V using Cross by @philss in #607
add product function to Series by @guarilha in #610
Add cumulative product to Series by @guarilha in #611
add Series.abs/1 by @guarilha in #612
Traverse categories once and reuse terms in categorial series by @thehabbos007 in #615
Add Series.skew/2 by @guarilha in #614
Improve flake.nix by @viniciusmuller in #616
Implement relocate inspired by dplyr by @thehabbos007 in #619
Add lazy data frame test case for relocate by @thehabbos007 in #620
add window standard deviation (rolling_std) to Series by @guarilha in #622
Update the way Rust returns errors by @Jhonatannunessilva in #623
Add rank to Series by @guarilha in #621
Add precompiled NIFs for freebsd by @maltekrupa in #618
More date/datetime operations on Series by @guarilha in #624
Add Series.strptime/2 by @anthony-khong in #626
add Series.strftime/2 by @anthony-khong in #627
add Series.argmin/1 and Series.argmax/1 by @anthony-khong in #628
add Series.cut/6 and Series.qcut/6 by @anthony-khong in #629
fix Series.round/2 when used in expressions by @anthony-khong in #631
add Series.corr/3 and Series.cov/2 by @anthony-khong in #630
force chunk in concat_rows by @anthony-khong in #632
add DataFrame.nil_count/1 by @anthony-khong in #634
add DataFrame.frequencies/2 by @anthony-khong in #637
support scalars in Series.select/3 by @anthony-khong in #638
add Series.clip/3 by @anthony-khong in #633
fix upcasted date to datetime for literal expressions by @anthony-khong in #640
Prepare for v0.6.0 by @philss in #641

New Contributors

@axelclark made their first contribution in #597
@awerment made their first contribution in #600
@wojtekmach made their first contribution in #602
@guarilha made their first contribution in #610
@viniciusmuller made their first contribution in #616
@maltekrupa made their first contribution in #618
@anthony-khong made their first contribution in #626

Full Changelog: v0.5.7...v0.6.0

SHA256 checksums

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Contributors

wojtekmach, philss, and 8 other contributors

Assets 22

10 May 21:50

philss

v0.5.7

1db7146

v0.5.7

Changes

Added

Allow Explorer.Series.select/3 to receive series of size 1 in both sides.
Add trigonometric functions sin/1, cos/1, tan/1, asin/1, acos/1 and
atan/1 to Explorer.Series.
Add Explorer.DataFrame.to_rows_stream/2 function. This is useful to traverse
dataframes with large series, but is not recommended since it can be an expensive
operation.
Add LazyFrame version of Explorer.DataFrame.to_ipc/3.
Add options to control streaming when writing lazy dataframes. Now users can
toggle streaming for the to_ipc/3 and to_parquet/3 functions.
Add Explorer.DataFrame.from_ipc_stream/2 lazy, but using the eager implementation
underneath.
Add option to control the end of line (EOF) char when reading CSV files.
We call this new option :eol_delimiter, and it's available for the from_csv/2
and load_csv/2 functions in the Explorer.DataFrame module.
Allow Explorer.DataFrame.pivot_wider/4 to use category fields.

Fixed

Fix nif_not_loaded error when Explorer.Series.ewm_mean/2 is called from query.
Type check arguments for boolean series operations, only allowing series of
the boolean dtype.
Do not use ../0 in order to keep compatible with Elixir 1.13

Removed

Temporarely remove support for ARM 32 bits computers in the precompilation
workflow.

Pull requests

Fix nif_not_loaded error when Series.ewm_mean/2 is called from query by @sasikumar87 in #557
Allow Series.select/3 on_true and on_false both to receive series of size 1 by @sasikumar87 in #556
Add Trigonometric functions Series.sin/1, Series.cos/1 and Series.tan/1 by @sasikumar87 in #558
Add Trigonometric functions Series.asin/1, Series.acos/1 and Series.atan/1 by @sasikumar87 in #560
sin/1, cos/1 and tan/1 doesn't support integer dtype by @sasikumar87 in #561
Type check arguments for boolean series operations by @sasikumar87 in #564
Update Polars to v0.28 by @philss in #570
add Explorer.DataFrame.to_rows_stream method by @mlineen in #571
Fix typo/phrasing in Series documentation by @pgeraghty in #574
Add LazyFrame version of to_ipc/3 (#499) by @treebee in #579
Update rustler to v0.28.0 by @philss in #580
Add options to control streaming when writing lazy DF by @philss in #582
Implement from_ipc_stream/2 lazy, but using eager backend by @philss in #583
End of Line For CSV Loading/Parsing by @jeregrine in #578
add_rust_version_to_readme by @dkuku in #587
Allow pivot_wider to use category fields by @dkuku in #586
Add change log since version 0.5.6 by @philss in #592
Disable precompilation for ARM 32 bits by @philss in #593
Release v0.5.7 by @philss in #594

New Contributors

@treebee made their first contribution in #579
@jeregrine made their first contribution in #578

Full Changelog: v0.5.6...v0.5.7
Official Changelog: https://github.com/elixir-nx/explorer/blob/main/CHANGELOG.md

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Contributors

pgeraghty, jeregrine, and 5 other contributors

Assets 20

24 Mar 21:04

philss

v0.5.6

fe55e11

v0.5.6

Added

Add the following functions to the Explorer.Series module: log/1, log/2 and exp/1. They compute the logarithm and exponential of a series.

Fixed

Allow Explorer.Series.select/3 to receive series of size 1 for both the on_true and on_false arguments.
Fix the encoding of special float values that may return from some series functions. This is going to encode the atoms for NaN and infinity values.

Pull requests

Allow Series.select/3 on_true or on_false to receive series of size 1 by @sasikumar87 in #547
Add log/2 and exponential/1 to Series by @philss in #549
Fix encoding of special float values for Series by @philss in #551
Prepare release of v0.5.6 by @philss in #552

Full Changelog: v0.5.5...v0.5.6
Official Changelog: https://hexdocs.pm/explorer/changelog.html

Checksums

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Contributors

philss and sasikumar87

Assets 22

13 Mar 22:59

github-actions

v0.5.5

5581806

v0.5.5

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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Contributors

philss and sasikumar87

Assets 22

09 Mar 05:30

github-actions

v0.5.4

0204356

v0.5.4

Fixed

Fix missing "README.md" file in the list of package files.
Our readme is now required in compilation, because it contains the moduledoc for
the main Explorer module.

Full Changelog: v0.5.3...v0.5.4

Checksums

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Assets 22

08 Mar 22:48

github-actions

v0.5.3

467a708

v0.5.3

Added

Add the Explorer.Series.format/1 function that concatenates multiple series together,
always returning a string series.
With the addition of format/1, we also have a new operator for string concatenation
inside Explorer.Query. It is the <> operator, that is similar to what the Kernel.<>/2
operator does, but instead of concatenating strings, it concatenates two series, returning
a string series - it is using format/1 underneath.
Add support for slicing by series in dataframes and other series.
Add support for 2D tensors in Explorer.DataFrame.new/2.

Fixed

Fix Explorer.DataFrame.new/2 to respect the selected dtype when an entire series is nil.
Improve error message for mismatched dtypes in series operations.
Fix lazy series operations of binary series and binary values. This is going to wrap binary
values in the correct dtype, in order to pass down to Polars.
Fix two bugs in Explorer.DataFrame.pivot_wider/3: nil values in the series that is
used for new column names is now correctly creating a nil column. We also fixed the problem
of a duplicated column created after pivoting, and possibly conflicting with an existing
ID column. We add a suffix for these columns.

Pull requests

Add Series.format/1 function by @Jhonatannunessilva in #520
Fix dtype for series of nils in DF.new by @philss in #529
Add support for slicing by series by @philss in #531
Fix comparison of binary series with a binary by @philss in #534
Fix pivot wider if the series of column names contains nil by @philss in #535
Improve README by adding a short guide by @philss in #537

Full Changelog: v0.5.2...v0.5.3
Official Changelog: https://hexdocs.pm/explorer/changelog.html

Checksum of precompiled files

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

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Contributors

philss and Jhonatannunessilva

Assets 22

01 Mar 00:48

github-actions

v0.5.2

b371361

v0.5.2

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

Checksums

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Contributors

mlineen, blutack, and 2 other contributors

Assets 22

17 Feb 19:34

github-actions

v0.5.1

4ed3066

v0.5.1

What's Changed

Add clone_inner() to Ex structs by @philss in #473
Add boolean type to Series.in/2 by @miXwui in #475
Add filter_with/2 for Polars LazyFrame backend by @philss in #476
Add binary dtype to Series.in/2 by @Jhonatannunessilva in #477
Add Series.in/2 tests for boolean series by @miXwui in #478
Add LazyFrame implementation for arrange_with/2, distinct/3, mutate_with/2 and summarise_with/2 by @philss in #479
Add Series.day_of_week/1 by @sasikumar87 in #480
Allow Series.fill_missing/2 to receive infinity and neg_infinity values by @Jhonatannunessilva in #484
Simplify release workflow with a new action by @philss in #485
Change GitHub Action that installs Rust by @philss in #486
Allow Series.fill_missing/2 to receive date and datetime values by @Jhonatannunessilva in #483
Support time dtype by @sasikumar87 in #487
Add some LazyFrame functions - part III by @philss in #488
Allow Series.fill_missing/2 to receive binary values by @Jhonatannunessilva in #489
Simplify df_describe with as_deref() by @philss in #490
Add LazyFrame version of "join" by @philss in #491
Add LazyFrame concat of rows and columns by @philss in #492
Add LazyFrame version of to_parquet/3 by @philss in #496
Raise for unavailable LazyFrame functions explicitly by @philss in #497
Allow Explorer.PolarsBackend.Series.pow/2 on (series, series) by @nallwhy in #440
Fix pow of (series, series) when there is nil by @philss in #500
Allow Series.from_list/2 to receive nan, infinity and neg_infinity values by @Jhonatannunessilva in #495
Implement the Deref trait for our Ex* structs in order to abstract usage by @philss in #501
fixed typo and clarified sentence for macro note by @a-alhusaini in #505
Add Series.to_date/1 and Series.to_time/1 for datetime series by @sasikumar87 in #502
Bump nightly version in order to fix the build by @philss in #509
Prepare changelog for v0.5.1 by @philss in #508

New Contributors

@a-alhusaini made their first contribution in #505

Full Changelog: v0.5.0...v0.5.1
Official Changelog: https://hexdocs.pm/explorer/changelog.html#v0-5-1-2023-02-17

Checksums

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Contributors

philss, sasikumar87, and 4 other contributors

Assets 22

12 Jan 21:51

philss

v0.5.0

df256a0

v0.5.0

Added

Add DataFrame.describe/2 to gather some statistics from a dataframe.
Add Series.nil_count/1 to count nil values.
Add Series.in/2 to check if a given value is inside a series.
Add Series float predicates: is_finite/1, is_infinite/1 and is_nan/1.
Add Series string functions: contains/2, trim/1, trim_leading/1, trim_trailing/1,
upcase/1 and downcase/1.
Enable slicing of lazy frames (LazyFrame).
Add IO operations "from/load" to the lazy frame implementation.
Add support for the :lazy option in the DataFrame.new/2 function.
Add Series float rounding methods: round/2, floor/1 and ceil/1.
Add support for precompiling to Linux running on RISCV CPUs.
Add support for precompiling to Linux - with musl - running on AARCH64 computers.
Allow DataFrame.new/1 to receive the :dtypes option.
Accept :nan as an option for Series.fill_missing/2 with float series.
Add basic support for the categorical dtype - the :category dtype.
Add Series.categories/1 to return categories from a categorical series.
Add Series.categorise/2 to categorise a series of integers using predefined categories.
Add Series.replace/2 to replace the contents of a series.
Support selecting columns with unusual names (like with spaces) inside Explorer.Query
with col/1.

The usage is like this:
```
Explorer.DataFrame.filter(df, col("my col") > 42)
```

Fixed

Fix DataFrame.mutate/2 using a boolean scalar value.
Stop leaking UInt32 series to Elixir.
Cast numeric columns to our supported dtypes after IO read.
This fix is only applied for the eager implementation for now.

Changed

Rename Series.bintype/1 to Series.iotype/1.

Pull requests made for this release

Add DF describe by @cristineguadelupe in #444
Fix mutate using a boolean scalar value by @miXwui in #445
Add s_nil_count by @cristineguadelupe in #446
Adds Series.in/2 function by @kimjoaoun in #420
Add Series float predicates: is_finite/1, is_infinite/1, is_nan/1 by @sasikumar87 in #448
Add Series string functions by @cigrainger in #449
Enables the slicing of LazyFrames by @kimjoaoun in #450
Add IO operations "from/load" to the LazyFrame implementation by @philss in #451
Add Series float rounding methods: round/2, floor/1 and ceil/1 by @sasikumar87 in #455
Percentiles for describe by @cristineguadelupe in #454
Add support for RISCV and Linux on M1/2 with musl by @philss in #456
Update polars to v0.26.1 by @philss in #459
Allow DataFrame.new/1 to receive the dtypes option by @Jhonatannunessilva in #460
Add basic support for categorical dtype by @philss in #464
Add Series.categories/1 by @philss in #465
Add Series.categorise/2 by @philss in #466
Normalize numeric dtypes when loading/reading from IO by @philss in #470
Prepare release v0.5.0 by @philss in #469

New Contributors

@cristineguadelupe made their first contribution in #444
@miXwui made their first contribution in #445
@Jhonatannunessilva made their first contribution in #460

The official Changelog: https://github.com/elixir-nx/explorer/blob/main/CHANGELOG.md#v050---2023-01-12
Full diff of this version: v0.4.0...v0.5.0

Checksums

Below are the checksums of the precompiled files.

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Contributors

philss, sasikumar87, and 5 other contributors

Assets 22

Releases: elixir-explorer/explorer

v0.6.1

Pull requests

SHA256 checksums

Contributors

v0.6.0

Added

Fixed

Deprecated

Pull requests

New Contributors

SHA256 checksums

Contributors

v0.5.7

Changes

Added

Fixed

Removed

Pull requests

New Contributors

SHA256 checksums

Contributors

v0.5.6

Added

Fixed

Pull requests

Checksums

Contributors

v0.5.5

Added

Changed

Fixed

Pull requests

Checksums

Contributors

v0.5.4

Fixed

Checksums

v0.5.3

Added

Fixed

Pull requests

Checksum of precompiled files

Contributors

v0.5.2

Added

Fixed

Changed

Pull requests

New Contributors

Checksums

Contributors

v0.5.1

What's Changed

New Contributors

Checksums

Contributors

v0.5.0

Added

Fixed

Changed

Pull requests made for this release

New Contributors

Checksums

Contributors