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影響我國稅收收入的因素分析報告(編輯修改稿)

2024-08-31 00:17 本頁面
 

【文章內(nèi)容簡介】 Log likelihood FstatisticDurbinWatson stat Prob(Fstatistic)將lnY與lnX2做回歸得到結(jié)果如表4: 表 4Dependent Variable: LNYMethod: Least SquaresDate: 4/26/14 Time: 21:14Sample: 1993 2012Included observations: 20VariableCoefficientStd. ErrortStatisticProb. CLNX2Rsquared Mean dependent varAdjusted Rsquared . dependent var. of regression Akaike info criterionSum squared resid Schwarz criterionLog likelihood FstatisticDurbinWatson stat Prob(Fstatistic)將lnY與X3做回歸得到結(jié)果如表5:表 5Dependent Variable: LNYMethod: Least SquaresDate: 4/26/14 Time: 21:14Sample: 1993 2013Included observations: 20VariableCoefficientStd. ErrortStatisticProb. CX3Rsquared Mean dependent varAdjusted Rsquared . dependent var. of regression Akaike info criterionSum squared resid Schwarz criterionLog likelihood FstatisticDurbinWatson stat Prob(Fstatistic)將lnY與lnXlnX2做回歸得到下表6: 表 6Dependent Variable: LNYMethod: Least SquaresDate: 4/26/14 Time: 21:16Sample: 1993 2012Included observations: 20VariableCoefficientStd. ErrortStatisticProb. CLNX1LNX2Rsquared Mean dependent varAdjusted Rsquared . dependent var. of regression Akaike info criterionSum squared resid Schwarz criterionLog likelihood FstatisticDurbinWatson stat Prob(Fstatistic)計算各解釋變量的相關(guān)系數(shù),選擇lnXlnX2 、X3的數(shù)據(jù),得到相關(guān)系數(shù)矩陣如表7: 表 7變量LNX1LNX2X3LNX1 LNX2 X3 由表表4和表5可知,lnY與lnX1 、lnX2的組合為最優(yōu)方程,但是lnY與X3擬合度Rsquared=,遠小于lnY分別與lnX1 、lnX2回歸后得出的Rsquared。又由表7的相關(guān)系數(shù)矩陣可以看出,解釋變量lnX1 、lnXX3相關(guān)系數(shù)不高,可認為模型不存在多重共線性,所以可
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