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## lightGBM的安装 ### 环境 - win10 - R version 3.4.3 (2017-11-30) -- "Kite-Eating Tree" - Platform: x86_64-w64-mingw32/x64 (64-bit) - Microsoft Visual Studio Community 2017 - Microsoft Visual C++ 2017 (猜测需要) - Visual Studio Tools for CMake (猜测需要) - 在用VS打开`\LightGBM\windows`项目的时候,VS提示安装一些组件,不确定是哪些组件。 - [cmake](https://cmake.org/download/) 64bit - Rtools 64bit 系统环境变量PATH - `C:\RBuildTools\3.4\bin` - `C:\Program Files\CMake\bin` - `C:\Program Files\R\R-3.4.3\bin` 其实CMake和VS不知道是否二选一。 ### 安装 #### 方法一 ```r library(devtools) options(devtools.install.args = "--no-multiarch") install_git("https://github.com/Microsoft/LightGBM", subdir = "R-package") ``` #### 方法二 ``` & 'C:\Program Files\R\R-3.4.3\bin\R.exe' CMD INSTALL --build . --no -multiarch ``` 这样就直接安装好lightgbm包。另外也会在`\LightGBM\R-package`文件夹,也就是当前文件夹下生成了一个`lightgbm_2.1.0.zip`文件,貌似在Rstudio下`install.packages("d:/LightGBM/R-package/lightgbm_2.1.0.zip")`,系统提示不能安装,但是直接解压到扩展包的文件夹,然后重启Rstudio,扩展包lightgbm可以用,没问题。 #### 方法三(未尝试) ``` devtools::install_github("Laurae2/lgbdl", force = TRUE) ``` ``` lgb.dl(commit = "master", compiler = "vs", repo = "https://github.com/Microsoft/LightGBM") ``` 如果已经有已编译好的`lib_lightgbm.dll`,可以这样: ``` lgb.dl(commit = "master", libdll = "C:\\LightGBM\\windows\\x64\\DLL\\lib_lightgbm.dll", # YOUR PRECOMPILED DLL repo = "https://github.com/Microsoft/LightGBM") ``` 如果使用GPU: ``` lgb.dl(commit = "master", compiler = "vs", # Remove this for MinGW + GPU installation repo = "https://github.com/Microsoft/LightGBM", use_gpu = TRUE) ``` ### 参考资料 - <https://github.com/Microsoft/LightGBM/issues/912#issuecomment-329496254> - <https://github.com/Microsoft/LightGBM/tree/master/R-package> - <https://github.com/Microsoft/LightGBM/blob/master/docs/Installation-Guide.rst>