The following installable commands are found:

* gitee: Install Stata package in Gitee[[gitee]](https://gitee.com/kerrydu/gitee)

* xtplfc: Stata  module to estimate partially linear functional-coefficient panel data models  [[gitee]](https://gitee.com/kerrydu/xtplfc_Stata)

* mepi: Malmquist Energy Productivity Index in Stata [[gitee]](https://gitee.com/kerrydu/mepi)

* gftpch: Total Factor Productivity with Undesirable Outputs in Stata [[gitee]](https://gitee.com/kerrydu/gtfpch)

* malmq2: Malmquist Productivity index in Stata  [[gitee]](https://gitee.com/kerrydu/malmq2)

* sbmeff: Slacks-based Measure of Efficiency in Stata  [[gitee]](https://gitee.com/kerrydu/sbmeff)

* ddfeff: Directional Distance Function for Efficiency/Productivity Analysis in Stata [[gitee]](https://gitee.com/kerrydu/ddfeff)