简介 hhi5命令用于产生 赫芬达尔指数 (HHI)。以行业层面数据为例,可以产生基于每个行业的 HHI 指数,亦可产生以行业内销售额前五名的企业为基础的 HHI5 指数,通过选项top(#)可以生成 HHI# 指数。同时,利用选项mimobs(#)可以指定每个行业中的样本数下限。 下载方法 在Stata 命令窗口中输入如下命令,自动下载: . ...
S458920 INLIST2: Stata module to create an inlist() dummy, without the inlist() limitations by Matteo Pinna S458919 SONGBL: Stata module to search and share Stata resources and blogs by Song Bolin S458918 MIMPT: Stata module to impute missing values and persist in case of non-convergence...
S458920 INLIST2: Stata module to create an inlist() dummy, without the inlist() limitations byMatteo Pinna S458919 SONGBL: Stata module to search and share Stata resources and blogs bySong Bolin S458918 MIMPT: Stata module to impute missing values and persist in case of non-convergence by...
cfvars module to compare variable name lists in two data sets tssc install cfvars cgroup module to group contiguous observations with identical values of a varlist tssc install cgroup chaid module to conduct chi-square automated interaction detection tssc install chaid chaidforest module to ...
The old dydx and integ commands also did not deal properly with datasets in which there were tied x values. If there are tied x values, the new versions use the mean of y at the tied x values. The new versions also allow if and in restrictions and have a by(varlist) option. ...