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‎.appveyor.yml

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version: 4.4.0.99.{build}
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version: 4.5.0.99.{build}
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image: Visual Studio 2015
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platform: x64

‎.ci/test_r_package_windows.ps1

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@@ -195,7 +195,6 @@ if ($env:COMPILER -ne "MSVC") {
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}
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} else {
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$env:TMPDIR = $env:USERPROFILE # to avoid warnings about incremental builds inside a temp directory
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$INSTALL_LOG_FILE_NAME = "$env:BUILD_SOURCESDIRECTORY\00install_out.txt"
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Run-R-Code-Redirect-Stderr "source('build_r.R')" 1> $INSTALL_LOG_FILE_NAME ; $install_succeeded = $?
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Write-Output "----- build and install logs -----"

‎.ci/test_windows.ps1

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$env:CONDA_ENV = "test-env"
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$env:LGB_VER = (Get-Content $env:BUILD_SOURCESDIRECTORY\VERSION.txt).trim()
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# Use custom temp directory to avoid
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# > warning MSB8029: The Intermediate directory or Output directory cannot reside under the Temporary directory
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# > as it could lead to issues with incremental build.
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# And make sure this directory is always clean
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$env:TMPDIR = "$env:USERPROFILE\tmp"
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Remove-Item $env:TMPDIR -Force -Recurse -ErrorAction Ignore
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[Void][System.IO.Directory]::CreateDirectory($env:TMPDIR)
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if ($env:TASK -eq "r-package") {
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& .\.ci\test_r_package_windows.ps1 ; Check-Output $?

‎R-package/DESCRIPTION

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utils
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SystemRequirements:
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~~CXXSTD~~
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RoxygenNote: 7.3.1
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RoxygenNote: 7.3.2

‎R-package/R/lgb.Dataset.R

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@@ -758,8 +758,13 @@ Dataset <- R6::R6Class(
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)
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#' @title Construct \code{lgb.Dataset} object
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#' @description Construct \code{lgb.Dataset} object from dense matrix, sparse matrix
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#' or local file (that was created previously by saving an \code{lgb.Dataset}).
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#' @description LightGBM does not train on raw data.
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#' It discretizes continuous features into histogram bins, tries to
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#' combine categorical features, and automatically handles missing and
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# infinite values.
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#'
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#' The \code{Dataset} class handles that preprocessing, and holds that
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#' alternative representation of the input data.
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#' @inheritParams lgb_shared_dataset_params
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#' @param data a \code{matrix} object, a \code{dgCMatrix} object,
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#' a character representing a path to a text file (CSV, TSV, or LibSVM),

‎R-package/configure

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#! /bin/sh
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# Guess values for system-dependent variables and create Makefiles.
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# Generated by GNU Autoconf 2.71 for lightgbm 4.4.0.99.
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# Generated by GNU Autoconf 2.71 for lightgbm 4.5.0.99.
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#
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#
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# Copyright (C) 1992-1996, 1998-2017, 2020-2021 Free Software Foundation,
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# Identity of this package.
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PACKAGE_NAME='lightgbm'
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PACKAGE_TARNAME='lightgbm'
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PACKAGE_VERSION='4.4.0.99'
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PACKAGE_STRING='lightgbm 4.4.0.99'
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PACKAGE_VERSION='4.5.0.99'
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PACKAGE_STRING='lightgbm 4.5.0.99'
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PACKAGE_BUGREPORT=''
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PACKAGE_URL=''
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# Omit some internal or obsolete options to make the list less imposing.
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# This message is too long to be a string in the A/UX 3.1 sh.
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cat <<_ACEOF
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\`configure' configures lightgbm 4.4.0.99 to adapt to many kinds of systems.
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\`configure' configures lightgbm 4.5.0.99 to adapt to many kinds of systems.
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Usage: $0 [OPTION]... [VAR=VALUE]...
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if test -n "$ac_init_help"; then
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case $ac_init_help in
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short | recursive ) echo "Configuration of lightgbm 4.4.0.99:";;
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short | recursive ) echo "Configuration of lightgbm 4.5.0.99:";;
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esac
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cat <<\_ACEOF
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test -n "$ac_init_help" && exit $ac_status
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if $ac_init_version; then
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cat <<\_ACEOF
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lightgbm configure 4.4.0.99
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lightgbm configure 4.5.0.99
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generated by GNU Autoconf 2.71
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Copyright (C) 2021 Free Software Foundation, Inc.
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This file contains any messages produced by compilers while
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running configure, to aid debugging if configure makes a mistake.
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It was created by lightgbm $as_me 4.4.0.99, which was
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It was created by lightgbm $as_me 4.5.0.99, which was
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generated by GNU Autoconf 2.71. Invocation command line was
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$ $0$ac_configure_args_raw
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# values after options handling.
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ac_log="
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This file was extended by lightgbm $as_me 4.4.0.99, which was
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This file was extended by lightgbm $as_me 4.5.0.99, which was
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generated by GNU Autoconf 2.71. Invocation command line was
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CONFIG_FILES = $CONFIG_FILES
@@ -2509,7 +2509,7 @@ ac_cs_config_escaped=`printf "%s\n" "$ac_cs_config" | sed "s/^ //; s/'/'\\\\\\\\
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cat >>$CONFIG_STATUS <<_ACEOF || ac_write_fail=1
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ac_cs_config='$ac_cs_config_escaped'
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ac_cs_version="\\
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lightgbm config.status 4.4.0.99
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lightgbm config.status 4.5.0.99
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configured by $0, generated by GNU Autoconf 2.71,
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with options \\"\$ac_cs_config\\"
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‎R-package/cran-comments.md

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# CRAN Submission History
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## v4.5.0 - Submission 1 - (July 25, 2024)
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### CRAN response
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7+
Accepted to CRAN
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### Maintainer Notes
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This release was a response to a request from CRAN.
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On July 4, 2024, CRAN notified us that the following compiler warnings raised by `gcc` 14 needed to be fixed by August 3, 2024.
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```text
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Result: WARN
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Found the following significant warnings:
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io/dense_bin.hpp:617:27: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor]
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io/multi_val_dense_bin.hpp:346:26: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor]
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io/multi_val_sparse_bin.hpp:433:36: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor]
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io/sparse_bin.hpp:785:19: warning: template-id not allowed for constructor in C++20 [-Wtemplate-id-cdtor]
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See ‘/data/gannet/ripley/R/packages/tests-devel/lightgbm.Rcheck/00install.out’ for details.
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```
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This release contains fixes for those issues.
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## v4.4.0 - Submission 1 - (June 14, 2024)
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### CRAN response

‎R-package/man/lgb.Dataset.Rd

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‎README.md

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Light Gradient Boosting Machine
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===============================
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[![Python-package GitHub Actions Build Status](https://github.com/microsoft/LightGBM/workflows/Python-package/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions)
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[![R-package GitHub Actions Build Status](https://github.com/microsoft/LightGBM/workflows/R-package/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions)
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[![CUDA Version GitHub Actions Build Status](https://github.com/microsoft/LightGBM/workflows/CUDA%20Version/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions)
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[![Static Analysis GitHub Actions Build Status](https://github.com/microsoft/LightGBM/workflows/Static%20Analysis/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions)
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[![Python-package GitHub Actions Build Status](https://github.com/microsoft/LightGBM/actions/workflows/python_package.yml/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions/workflows/python_package.yml)
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[![R-package GitHub Actions Build Status](https://github.com/microsoft/LightGBM/actions/workflows/r_package.yml/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions/workflows/r_package.yml)
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[![CUDA Version GitHub Actions Build Status](https://github.com/microsoft/LightGBM/actions/workflows/cuda.yml/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions/workflows/cuda.yml)
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[![Static Analysis GitHub Actions Build Status](https://github.com/microsoft/LightGBM/actions/workflows/static_analysis.yml/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions/workflows/static_analysis.yml)
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[![Azure Pipelines Build Status](https://lightgbm-ci.visualstudio.com/lightgbm-ci/_apis/build/status/Microsoft.LightGBM?branchName=master)](https://lightgbm-ci.visualstudio.com/lightgbm-ci/_build/latest?definitionId=1)
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[![Appveyor Build Status](https://ci.appveyor.com/api/projects/status/1ys5ot401m0fep6l/branch/master?svg=true)](https://ci.appveyor.com/project/guolinke/lightgbm/branch/master)
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[![Documentation Status](https://readthedocs.org/projects/lightgbm/badge/?version=latest)](https://lightgbm.readthedocs.io/)
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[![Link checks](https://github.com/microsoft/LightGBM/workflows/Link%20checks/badge.svg)](https://github.com/microsoft/LightGBM/actions?query=workflow%3A%22Link+checks%22)
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[![Link checks](https://github.com/microsoft/LightGBM/actions/workflows/linkchecker.yml/badge.svg?branch=master)](https://github.com/microsoft/LightGBM/actions/workflows/linkchecker.yml)
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[![License](https://img.shields.io/github/license/microsoft/lightgbm.svg)](https://github.com/microsoft/LightGBM/blob/master/LICENSE)
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[![Python Versions](https://img.shields.io/pypi/pyversions/lightgbm.svg?logo=python&logoColor=white)](https://pypi.org/project/lightgbm)
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[![PyPI Version](https://img.shields.io/pypi/v/lightgbm.svg?logo=pypi&logoColor=white)](https://pypi.org/project/lightgbm)
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[![conda Version](https://img.shields.io/conda/vn/conda-forge/lightgbm?logo=conda-forge&logoColor=white&label=conda)](https://anaconda.org/conda-forge/lightgbm)
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[![CRAN Version](https://www.r-pkg.org/badges/version/lightgbm)](https://cran.r-project.org/package=lightgbm)
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[![NuGet Version](https://img.shields.io/nuget/v/lightgbm?logo=nuget&logoColor=white)](https://www.nuget.org/packages/LightGBM)
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‎VERSION.txt

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4.4.0.99
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4.5.0.99

‎build-python.sh

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if test "${INSTALL}" = true; then
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if test "${BUILD_WHEEL}" = true; then
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PACKAGE_NAME="lightgbm*.whl"
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else
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PACKAGE_NAME="lightgbm*.tar.gz"
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fi
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# ref for use of '--find-links': https://stackoverflow.com/a/52481267/3986677
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pip install \
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${PIP_INSTALL_ARGS} \
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--ignore-installed \
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--force-reinstall \
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--no-cache-dir \
367372
--no-deps \
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--find-links=. \
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lightgbm
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${PACKAGE_NAME}
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‎docs/Parameters.rst

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- ``goss``, Gradient-based One-Side Sampling
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- *New in 4.0.0*
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- *New in version 4.0.0*
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- ``data`` :raw-html:`<a id="data" title="Permalink to this parameter" href="#data">&#x1F517;&#xFE0E;</a>`, default = ``""``, type = string, aliases: ``train``, ``train_data``, ``train_data_file``, ``data_filename``
155155

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- when early stopping is used (i.e. ``early_stopping_round > 0``), require the early stopping metric to improve by at least this delta to be considered an improvement
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- *New in 4.4.0*
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- *New in version 4.4.0*
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- ``first_metric_only`` :raw-html:`<a id="first_metric_only" title="Permalink to this parameter" href="#first_metric_only">&#x1F517;&#xFE0E;</a>`, default = ``false``, type = bool
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693693
- **Note**: can be used only with ``device_type = cpu`` and ``device_type=cuda``
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- *New in 4.0.0*
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- *New in version 4.0.0*
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- ``quant_train_renew_leaf`` :raw-html:`<a id="quant_train_renew_leaf" title="Permalink to this parameter" href="#quant_train_renew_leaf">&#x1F517;&#xFE0E;</a>`, default = ``false``, type = bool
698698

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703703
- **Note**: can be used only with ``device_type = cpu`` and ``device_type=cuda``
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- *New in 4.0.0*
705+
- *New in version 4.0.0*
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- ``stochastic_rounding`` :raw-html:`<a id="stochastic_rounding" title="Permalink to this parameter" href="#stochastic_rounding">&#x1F517;&#xFE0E;</a>`, default = ``true``, type = bool
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709709
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711711
- **Note**: can be used only with ``device_type = cpu`` and ``device_type=cuda``
712712

713-
- *New in 4.0.0*
713+
- *New in version 4.0.0*
714714

715715
IO Parameters
716716
-------------
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930930

931931
- **Note**: ``lightgbm-transform`` is not maintained by LightGBM's maintainers. Bug reports or feature requests should go to `issues page <https://github.com/microsoft/lightgbm-transform/issues>`__
932932

933-
- *New in 4.0.0*
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- *New in version 4.0.0*
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Predict Parameters
936936
~~~~~~~~~~~~~~~~~~

‎docs/env.yml

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- r-markdown=1.12
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- r-roxygen2=7.3.1
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- r-roxygen2=7.3.2
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‎include/LightGBM/config.h

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// desc = ``bagging``, Randomly Bagging Sampling
182182
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183183
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184-
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184+
// desc = *New in version 4.0.0*
185185
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397397
// check = >=0.0
398398
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399-
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399+
// desc = *New in version 4.4.0*
400400
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402402
// desc = LightGBM allows you to provide multiple evaluation metrics. Set this to ``true``, if you want to use only the first metric for early stopping
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626626
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627627
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628628
// desc = **Note**: can be used only with ``device_type = cpu`` and ``device_type=cuda``
629-
// desc = *New in 4.0.0*
629+
// desc = *New in version 4.0.0*
630630
int num_grad_quant_bins = 4;
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632632
// desc = whether to renew the leaf values with original gradients when quantized training
633633
// desc = renewing is very helpful for good quantized training accuracy for ranking objectives
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// desc = **Note**: can be used only with ``device_type = cpu`` and ``device_type=cuda``
635-
// desc = *New in 4.0.0*
635+
// desc = *New in version 4.0.0*
636636
bool quant_train_renew_leaf = false;
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// desc = whether to use stochastic rounding in gradient quantization
639639
// desc = **Note**: can be used only with ``device_type = cpu`` and ``device_type=cuda``
640-
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640+
// desc = *New in version 4.0.0*
641641
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643643
#ifndef __NVCC__
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801801
// desc = path to a ``.json`` file that specifies customized parser initialized configuration
802802
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803803
// desc = **Note**: ``lightgbm-transform`` is not maintained by LightGBM's maintainers. Bug reports or feature requests should go to `issues page <https://github.com/microsoft/lightgbm-transform/issues>`__
804-
// desc = *New in 4.0.0*
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// desc = *New in version 4.0.0*
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#ifndef __NVCC__

‎python-package/README.rst

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LightGBM Python-package
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=======================
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|License| |Python Versions| |PyPI Version| |PyPI Downloads| |conda Downloads| |API Docs|
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|License| |Python Versions| |PyPI Version| |PyPI Downloads| |conda Version| |conda Downloads| |API Docs|
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Installation
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------------
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.. |PyPI Downloads| image:: https://img.shields.io/pepy/dt/lightgbm?logo=pypi&logoColor=white&label=pypi%20downloads
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.. |conda Version| image:: https://img.shields.io/conda/vn/conda-forge/lightgbm?logo=conda-forge&logoColor=white&label=conda
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.. |conda Downloads| image:: https://img.shields.io/conda/d/conda-forge/lightgbm?logo=conda-forge&logoColor=white&label=conda%20downloads
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:target: https://anaconda.org/conda-forge/lightgbm/files
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.. |API Docs| image:: https://readthedocs.org/projects/lightgbm/badge/?version=latest

‎python-package/lightgbm/basic.py

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@@ -1745,7 +1745,15 @@ def current_iteration(self) -> int:
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class Dataset:
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"""Dataset in LightGBM."""
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"""
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Dataset in LightGBM.
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LightGBM does not train on raw data.
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It discretizes continuous features into histogram bins, tries to combine categorical features,
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and automatically handles missing and infinite values.
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This class handles that preprocessing, and holds that alternative representation of the input data.
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"""
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def __init__(
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self,

‎python-package/lightgbm/sklearn.py

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@property
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def feature_names_in_(self) -> np.ndarray:
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""":obj:`array` of shape = [n_features]: scikit-learn compatible version of ``.feature_name_``."""
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""":obj:`array` of shape = [n_features]: scikit-learn compatible version of ``.feature_name_``.
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.. versionadded:: 4.5.0
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"""
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if not self.__sklearn_is_fitted__():
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raise LGBMNotFittedError("No feature_names_in_ found. Need to call fit beforehand.")
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return np.array(self.feature_name_)

‎python-package/pyproject.toml

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name = "lightgbm"
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readme = "README.rst"
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requires-python = ">=3.7"
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version = "4.4.0.99"
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version = "4.5.0.99"
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[project.optional-dependencies]
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arrow = [

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