这是我根据陈强老师课本代码做的，用ipolate  emp year, gen （emp 1），出来的结果emp跟emp 1差距很大，请问应该怎么保持原来的数据不变，只对数据缺失的地方插值呢，大家用这个命令也是这样的情况吗，还是我的用法错啦！<br>
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[CODE]<br>
* Example generated by -dataex-. To install: ssc install dataex<br>
clear<br>
input int year float emp double emp1<br>
2000 619.3 2238.2848195043102<br>
2001 628.9  2233.652845110212<br>
2002 679.2  2299.654292515346<br>
2003 703.3   2298.02621670427<br>
2004 854.1 2345.7434513486664<br>
2005   878 2384.6940022786457<br>
2006 919.7 2416.5843180338543<br>
2007 942.7  2462.909318033854<br>
2008 980.9  2500.710009765625<br>
2009 998.3 2541.5313395182293<br>
end<br>
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Listed 10 out of 510 observations