一、软件环境
npsynth要求在stata16版运行。help中提到:
- Please remember to use the update query command before running this program to make sure you have an up-to-date version of Stata installed.
二、命令安装
不光是npsynth,还要其他配套命令。help中提到:
- Before running npsynth, one must first install the moremata and mahapick modules from SSC.
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三、数据要求1.数据不能有缺失值。help中提到:
- The panel dataset must be perfectly balanced, and must not contain missing values.
可以用下列命令检查: