Ubuntu16.04環境下Python下Lightgbmマシンラーニングライブラリの構成

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Python開発ツールマシン学習 Ubunt lgm

一、Lightgbm概要
xgboostの出現は、従来の機械学習アルゴリズムたちに別れを告げた:RF、GBM、SVM、LASSOなど、マイクロソフトは新しいboostingフレームワークLightgbmを発売し、徐々にxgboostというオープンソースフレームワークの地位に取って代わる傾向がある.
Lightgbm速度はxgboostに比べて大幅に向上し,精度はxgboostに匹敵する.しかし,使いやすさや特性はxgboostに比べて向上する必要があり,cv,early stoppingなどの非常に重要な特性は見つからなかった.同時に、いくつかの言語をサポートするインタフェースはまだ完備されていない(現在2018.05.12公式wikiではPythonをサポートするAPIインタフェースしか見られない)
二、Lightgbm取付
公式wikiを参照:https://lightgbm.readthedocs.io/en/latest/Installation-Guide.html#apachcnの中国語wiki翻訳:http://lightgbm.apachecn.org/zh/2.0.11/index.htmlインストール手順は次のとおりです.
まず、システムにcmakeがインストールされているかどうかを確認します.

yuhuiliu@sinclab-desktop:~$ sudo apt-get install cmake
[sudo] password for yuhuiliu:
Reading package lists... Done
Building dependency tree
Reading state information... Done
cmake is already the newest version (3.5.1-1ubuntu3).
The following packages were automatically installed and are no longer required:
  bbswitch-dkms dkms lib32gcc1 libc6-i386 libjansson4 libvdpau1 libxnvctrl0
  mesa-vdpau-drivers screen-resolution-extra vdpau-driver-all
  xserver-xorg-legacy
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 8 not upgraded.

cmakeが正常にインストールされたことを示し、次のコマンドを実行します.

git clone --recursive https://github.com/Microsoft/LightGBM ; cd LightGBM
mkdir build ; cd build
cmake ..
make -j4

LightGBMをコンパイルした後、前に閲覧したhttps://stackoverflow.com/questions/44212706/why-importerror-no-module-named-lightgbmLightGBM/Python-packageに入るsetupを実行する.pyファイル

yuhuiliu@sinclab-desktop:~/LightGBM/python-package$ sudo python3 setup.py install
running install
creating compile/include
creating compile/include/LightGBM
copying ../include/LightGBM/tree_learner.h -> ./compile/include/LightGBM
copying ../include/LightGBM/application.h -> ./compile/include/LightGBM
copying ../include/LightGBM/metric.h -> ./compile/include/LightGBM
copying ../include/LightGBM/export.h -> ./compile/include/LightGBM
copying ../include/LightGBM/feature_group.h -> ./compile/include/LightGBM
creating compile/include/LightGBM/utils
copying ../include/LightGBM/utils/random.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/threading.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/file_io.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/openmp_wrapper.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/log.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/array_args.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/common.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/text_reader.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/utils/pipeline_reader.h -> ./compile/include/LightGBM/utils
copying ../include/LightGBM/prediction_early_stop.h -> ./compile/include/LightGBM
copying ../include/LightGBM/tree.h -> ./compile/include/LightGBM
copying ../include/LightGBM/objective_function.h -> ./compile/include/LightGBM
copying ../include/LightGBM/c_api.h -> ./compile/include/LightGBM
copying ../include/LightGBM/network.h -> ./compile/include/LightGBM
copying ../include/LightGBM/lightgbm_R.h -> ./compile/include/LightGBM
copying ../include/LightGBM/R_object_helper.h -> ./compile/include/LightGBM
copying ../include/LightGBM/config.h -> ./compile/include/LightGBM
copying ../include/LightGBM/json11.hpp -> ./compile/include/LightGBM
copying ../include/LightGBM/dataset.h -> ./compile/include/LightGBM
copying ../include/LightGBM/meta.h -> ./compile/include/LightGBM
copying ../include/LightGBM/bin.h -> ./compile/include/LightGBM
copying ../include/LightGBM/boosting.h -> ./compile/include/LightGBM
copying ../include/LightGBM/dataset_loader.h -> ./compile/include/LightGBM
creating compile/src
creating compile/src/metric
copying ../src/metric/map_metric.hpp -> ./compile/src/metric
copying ../src/metric/binary_metric.hpp -> ./compile/src/metric
copying ../src/metric/metric.cpp -> ./compile/src/metric
copying ../src/metric/regression_metric.hpp -> ./compile/src/metric
copying ../src/metric/xentropy_metric.hpp -> ./compile/src/metric
copying ../src/metric/multiclass_metric.hpp -> ./compile/src/metric
copying ../src/metric/dcg_calculator.cpp -> ./compile/src/metric
copying ../src/metric/rank_metric.hpp -> ./compile/src/metric
copying ../src/c_api.cpp -> ./compile/src
creating compile/src/treelearner
copying ../src/treelearner/gpu_tree_learner.h -> ./compile/src/treelearner
copying ../src/treelearner/split_info.hpp -> ./compile/src/treelearner
copying ../src/treelearner/leaf_splits.hpp -> ./compile/src/treelearner
copying ../src/treelearner/feature_parallel_tree_learner.cpp -> ./compile/src/treelearner
copying ../src/treelearner/data_partition.hpp -> ./compile/src/treelearner
copying ../src/treelearner/serial_tree_learner.cpp -> ./compile/src/treelearner
copying ../src/treelearner/voting_parallel_tree_learner.cpp -> ./compile/src/treelearner
copying ../src/treelearner/feature_histogram.hpp -> ./compile/src/treelearner
copying ../src/treelearner/gpu_tree_learner.cpp -> ./compile/src/treelearner
copying ../src/treelearner/serial_tree_learner.h -> ./compile/src/treelearner
creating compile/src/treelearner/ocl
copying ../src/treelearner/ocl/histogram64.cl -> ./compile/src/treelearner/ocl
copying ../src/treelearner/ocl/histogram16.cl -> ./compile/src/treelearner/ocl
copying ../src/treelearner/ocl/histogram256.cl -> ./compile/src/treelearner/ocl
copying ../src/treelearner/parallel_tree_learner.h -> ./compile/src/treelearner
copying ../src/treelearner/data_parallel_tree_learner.cpp -> ./compile/src/treelearner
copying ../src/treelearner/tree_learner.cpp -> ./compile/src/treelearner
creating compile/src/network
copying ../src/network/linker_topo.cpp -> ./compile/src/network
copying ../src/network/socket_wrapper.hpp -> ./compile/src/network
copying ../src/network/linkers_mpi.cpp -> ./compile/src/network
copying ../src/network/linkers_socket.cpp -> ./compile/src/network
copying ../src/network/linkers.h -> ./compile/src/network
copying ../src/network/network.cpp -> ./compile/src/network
copying ../src/main.cpp -> ./compile/src
creating compile/src/boosting
copying ../src/boosting/score_updater.hpp -> ./compile/src/boosting
copying ../src/boosting/goss.hpp -> ./compile/src/boosting
copying ../src/boosting/dart.hpp -> ./compile/src/boosting
copying ../src/boosting/gbdt_model_text.cpp -> ./compile/src/boosting
copying ../src/boosting/boosting.cpp -> ./compile/src/boosting
copying ../src/boosting/rf.hpp -> ./compile/src/boosting
copying ../src/boosting/prediction_early_stop.cpp -> ./compile/src/boosting
copying ../src/boosting/gbdt_prediction.cpp -> ./compile/src/boosting
copying ../src/boosting/gbdt.h -> ./compile/src/boosting
copying ../src/boosting/gbdt.cpp -> ./compile/src/boosting
creating compile/src/application
copying ../src/application/predictor.hpp -> ./compile/src/application
copying ../src/application/application.cpp -> ./compile/src/application
copying ../src/lightgbm_R.cpp -> ./compile/src
creating compile/src/objective
copying ../src/objective/xentropy_objective.hpp -> ./compile/src/objective
copying ../src/objective/regression_objective.hpp -> ./compile/src/objective
copying ../src/objective/objective_function.cpp -> ./compile/src/objective
copying ../src/objective/binary_objective.hpp -> ./compile/src/objective
copying ../src/objective/rank_objective.hpp -> ./compile/src/objective
copying ../src/objective/multiclass_objective.hpp -> ./compile/src/objective
creating compile/src/io
copying ../src/io/parser.hpp -> ./compile/src/io
copying ../src/io/parser.cpp -> ./compile/src/io
copying ../src/io/dense_nbits_bin.hpp -> ./compile/src/io
copying ../src/io/dense_bin.hpp -> ./compile/src/io
copying ../src/io/ordered_sparse_bin.hpp -> ./compile/src/io
copying ../src/io/tree.cpp -> ./compile/src/io
copying ../src/io/sparse_bin.hpp -> ./compile/src/io
copying ../src/io/file_io.cpp -> ./compile/src/io
copying ../src/io/metadata.cpp -> ./compile/src/io
copying ../src/io/dataset.cpp -> ./compile/src/io
copying ../src/io/config.cpp -> ./compile/src/io
copying ../src/io/json11.cpp -> ./compile/src/io
copying ../src/io/bin.cpp -> ./compile/src/io
copying ../src/io/dataset_loader.cpp -> ./compile/src/io
copying ../windows/LightGBM.sln -> ./compile/windows
copying ../windows/LightGBM.vcxproj -> ./compile/windows
copying ../CMakeLists.txt -> ./compile/
copying ../LICENSE -> ./
INFO:LightGBM:Starting to compile the library.
INFO:LightGBM:Starting to compile with CMake.
running build
running build_py
INFO:root:Generating grammar tables from /usr/lib/python3.5/lib2to3/Grammar.txt
INFO:root:Generating grammar tables from /usr/lib/python3.5/lib2to3/PatternGrammar.txt
running egg_info
writing dependency_links to lightgbm.egg-info/dependency_links.txt
writing top-level names to lightgbm.egg-info/top_level.txt
writing lightgbm.egg-info/PKG-INFO
writing requirements to lightgbm.egg-info/requires.txt
reading manifest file 'lightgbm.egg-info/SOURCES.txt'
reading manifest template 'MANIFEST.in'
no previously-included directories found matching 'build'
warning: no files found matching '*.txt'
warning: no files found matching '*.so' under directory 'lightgbm'
warning: no files found matching '*.dll' under directory 'compile/Release'
warning: no files found matching '*' under directory 'compile/compute'
warning: no files found matching 'LightGBM.vcxproj.filters' under directory 'compile/windows'
warning: no files found matching '*.dll' under directory 'compile/windows/x64/DLL'
warning: no previously-included files matching '*.py[co]' found anywhere in distribution
writing manifest file 'lightgbm.egg-info/SOURCES.txt'
running install_lib
creating /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/VERSION.txt -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/__init__.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/plotting.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/engine.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/compat.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/callback.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/libpath.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/basic.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
copying build/lib/lightgbm/sklearn.py -> /usr/local/lib/python3.5/dist-packages/lightgbm
INFO:root:Installing lib_lightgbm from: ['../lib_lightgbm.so', 'compile/lib_lightgbm.so']
copying ../lib_lightgbm.so -> /usr/local/lib/python3.5/dist-packages/lightgbm
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/__init__.py to __init__.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/plotting.py to plotting.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/engine.py to engine.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/compat.py to compat.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/callback.py to callback.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/libpath.py to libpath.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/basic.py to basic.cpython-35.pyc
byte-compiling /usr/local/lib/python3.5/dist-packages/lightgbm/sklearn.py to sklearn.cpython-35.pyc
running install_egg_info
Copying lightgbm.egg-info to /usr/local/lib/python3.5/dist-packages/lightgbm-2.1.1.egg-info
running install_scripts

以前wikiで学んだguideで学んだようにここに配置すべきで、lightgbmライブラリは直接使うことができます.
しかしconda list|grep ligコマンドを使用して悲しいことに、lightgbmというパッケージは見つかりませんでした.

yuhuiliu@sinclab-desktop:~$ conda list |grep lig
yuhuiliu@sinclab-desktop:~$

python環境でimportを試してみます.

yuhuiliu@sinclab-desktop:~$ python
Python 3.6.4 |Anaconda, Inc.| (default, Jan 16 2018, 18:10:19)
[GCC 7.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import lightgbm as lgb
Traceback (most recent call last):
  File "", line 1, in 
ModuleNotFoundError: No module named 'lightgbm'

やはりライティングbmというmoduleはありません.
憂鬱で、build/ファイルを削除して何度も再構成しても「lightgbm」というパッケージがなく、cmakeのバージョンもチェックしました.一番下のsinc-serverワークステーションは構成に成功しました.参照:

yuhuiliu@sinclab-desktop:~$ sudo apt-get install cmake
[sudo] password for yuhuiliu:
Reading package lists... Done
Building dependency tree
Reading state information... Done
cmake is already the newest version (3.5.1-1ubuntu3).

yuhuiliu@sinc-server:~$ dpkg -l |grep cmak
ii  cmake                                                 3.5.1-1ubuntu1                             amd64        cross-platform, open-source make system
ii  cmake-data                                            3.5.1-1ubuntu1                             all          CMake data files (modules, templates and documentation)

このときは考えを変えて、参照してください.http://lightgbm.apachecn.org/zh/2.0.11/Python-Intro.html#id1WikiのPython Package Introductionを見ると、pipのソースにこのsourceが追加されていることがわかり、pipコマンドを使用してインストールします.

yuhuiliu@sinclab-desktop:~$ pip install lightgbm
The directory '/home/yuhuiliu/.cache/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
The directory '/home/yuhuiliu/.cache/pip' or its parent directory is not owned by the current user and caching wheels has been disabled. check the permissions and owner of that directory. If executing pip with sudo, you may want sudo's -H flag.
Collecting lightgbm
  Downloading https://files.pythonhosted.org/packages/bf/01/45e209af10fd16537df0c5d8a5474c286554c3eaf9ddb0ce04113f1e8506/lightgbm-2.1.1-py2.py3-none-manylinux1_x86_64.whl (711kB)
    100% |████████████████████████████████| 716kB 709kB/s
Requirement already satisfied: numpy in ./anaconda3/lib/python3.6/site-packages (from lightgbm)
Requirement already satisfied: scikit-learn in ./anaconda3/lib/python3.6/site-packages (from lightgbm)
Requirement already satisfied: scipy in ./anaconda3/lib/python3.6/site-packages (from lightgbm)
Installing collected packages: lightgbm
Successfully installed lightgbm-2.1.1
You are using pip version 9.0.1, however version 10.0.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.

もう一度チェックしてみましょう.

yuhuiliu@sinclab-desktop:~$ conda list |grep lig
lightgbm                  2.1.1

ライトbmのインストールに成功しました:

yuhuiliu@sinclab-desktop:~$ python
Python 3.6.4 |Anaconda, Inc.| (default, Jan 16 2018, 18:10:19)
[GCC 7.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import lightgbm as lgb
>>>

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