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1、StataTextbookExamples,IntroductoryEconometrics,Chapter3StataTextbookExamplesIntroductoryEconometrics:AModernApproachbyJeffreyM.Wooldridge(1st&2deds.)Chapter3-MultipleRegressionAnalysis:EstimationExample3.1:DeterminantsofCollegeGPAusehttp://fmwww.bc.edu/ec-
2、p/data/wooldridge/GPA1summACTVariable
3、ObsMeanStd.Dev.MinMax---------+-----------------------------------------------------ACT
4、14124.156032.8442521633regcolGPAhsGPAACTSource
5、SSdfMSNumberofobs=141---------+------------------------------F(2,138)=14.78Model
6、3.
7、4236550621.71182753Prob>F=0.0000Residual
8、15.9824444138.115814814R-squared=0.1764---------+------------------------------AdjR-squared=0.1645Total
9、19.4060994140.138614996RootMSE=.34032--------------------------------------------------------------------------
10、----colGPA
11、Coef.Std.Err.tP>
12、t
13、[95%Conf.Interval]---------+--------------------------------------------------------------------hsGPA
14、.4534559.09581294.7330.000.2640047.6429071ACT
15、.009426.01077720.8750.383-.0118838.0307358_cons
16、1.286328.34082213.7740.000.612
17、4191.960237------------------------------------------------------------------------------regcolGPAACTSource
18、SSdfMSNumberofobs=141---------+------------------------------F(1,139)=6.21Model
19、.8295588111.829558811Prob>F=0.0139Residual
20、18.5765406139.133644177R-
21、squared=0.0427---------+------------------------------AdjR-squared=0.0359Total
22、19.4060994140.138614996RootMSE=.36557------------------------------------------------------------------------------colGPA
23、Coef.Std.Err.tP>
24、t
25、[95%Conf.Interval]---------+--------
26、------------------------------------------------------------ACT
27、.027064.01086282.4910.014.0055862.0485417_cons
28、2.402979.26420279.0950.0001.8806042.925355------------------------------------------------------------------------------http://fmwww.bc.edu/gstat
29、/examples/wooldridge/wooldridge3.html（第1／6页）2010/5/1911:23:05StataTextbookExamples,IntroductoryEconometrics,Chapter3Example3.2:HourlyWageEquationusehttp://fmwww.bc.edu/ec-p/data/wooldridge/WAGE1reglwageeducex
