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断点回归检验新命令rddensity rddensity包提供了使用局部多项式密度估计方法的操作检验的Stata和R实现。这种方法可以进行断点回归证伪检验,以及在其他情况下自我选择或排序的检验。该实现为操作测试提供了假设测试和带宽选择器。 Python Implementation To install/update in Python type: pip install rddensity Help: PyPI, Documentation R Implementation To install/update in R type : install.packages( 'rddensity' ) Plotting employs lpdensity, to install/update in R type : install.packages( 'lpdensity' ) Stata下载安装 To install/update in Stata type : net install rddensity, from(https://raw.githubusercontent.com/rdpackages/rddensity/master/stata) replace Plotting employs lpdensity, to install/update in Stata type : net install lpdensity, from(https://raw.githubusercontent.com/nppackages/lpdensity/master/stata) replace Help: rddensity, rdbwdensity. 软件以及操
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