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面板数据模型习题答案opendatadata.xlscalendar(panelobs=10,a1990data(format=xls,org=columns1//1990:13//1999:1xy**answer(1linreg(robust,lwindow=panely#constantx*preg(method=pooledy#constantxcomputerssr=%rsscomputere1=%residsprint/re1LinearRegression-EstimationbyLeastSquaresWithClusteredStandardErrorCalculationsDependentVariableYPanel(10ofAnnualDataFrom1//1990:01To3//1999:01UsableObservations30DegreesofFreedom28CenteredR^20.9208906R-Bar^20.9180652UncenteredR^20.9855705MeanofDependentVariable15.096666667StdErrorofDependentVariable7.252440889StandardErrorofEstimate2.075956633SumofSquaredResiduals120.66868636LogLikelihood-63.4459Durbin-WatsonStatistic1.1905VariableCoeffStdErrorT-StatSignif************************************************************************************1.Constant-0.7474757810.943882908-0.791920.428409782.X1.0589588590.04903412421.596370.00000000
PanelRegression-EstimationbyPooledSampleDependentVariableYPanel(10ofAnnualDataFrom1//1990:01To3//1999:01UsableObservations