eviews含定性自变量的回归模型具体步骤,那个模型方程最后的变量怎么输?因为是刚开始自学,比较弱 在eviews中怎么将其他解释变量分别导入初始回归模型Y(^...
\u8bf7\u95ee\u5982\u4f55\u7528eviews\u5efa\u7acb\u5747\u503c\u56de\u5f52\u65b9\u7a0bGlossary:
ls(least squares)\u6700\u5c0f\u4e8c\u4e58\u6cd5
R-sequared\u6837\u672c\u51b3\u5b9a\u7cfb\u6570\uff08R2\uff09\uff1a\u503c\u4e3a0-1\uff0c\u8d8a\u63a5\u8fd11\u8868\u793a\u62df\u5408\u8d8a\u597d\uff0c>0.8\u8ba4\u4e3a\u53ef\u4ee5\u63a5\u53d7\uff0c\u4f46\u662fR2\u968f\u56e0\u53d8\u91cf\u7684\u589e\u591a\u800c\u589e\u5927\uff0c\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u4f7f\u7528\u6765\u8c03\u6574
Adjust R-seqaured()
S.E of regression\u56de\u5f52\u6807\u51c6\u8bef\u5dee
Log likelihood\u5bf9\u6570\u4f3c\u7136\u6bd4\uff1a\u6b8b\u5dee\u8d8a\u5c0f\uff0cL\u503c\u8d8a\u5927\uff0c\u8d8a\u5927\u8bf4\u660e\u6a21\u578b\u8d8a\u6b63\u786e
Durbin-Watson stat\uff1aDW\u7edf\u8ba1\u91cf\uff0c0-4\u4e4b\u95f4
Mean dependent var\u56e0\u53d8\u91cf\u7684\u5747\u503c
S.D. dependent var\u56e0\u53d8\u91cf\u7684\u6807\u51c6\u5dee
Akaike info criterion\u8d64\u6c60\u4fe1\u606f\u91cf(AIC)\uff08\u8d8a\u5c0f\u8bf4\u660e\u6a21\u578b\u8d8a\u7cbe\u786e\uff09
Schwarz ctiterion:\u65bd\u74e6\u5179\u4fe1\u606f\u91cf\uff08SC\uff09\uff08\u8d8a\u5c0f\u8bf4\u660e\u6a21\u578b\u8d8a\u7cbe\u786e\uff09
Prob(F-statistic)\u76f8\u4f34\u6982\u7387
fitted(\u62df\u5408\u503c)
\u7ebf\u6027\u56de\u5f52\u7684\u57fa\u672c\u5047\u8bbe\uff1a
1.\u81ea\u53d8\u91cf\u4e4b\u95f4\u4e0d\u76f8\u5173
2.\u968f\u673a\u8bef\u5dee\u76f8\u4e92\u72ec\u7acb\uff0c\u4e14\u670d\u4ece\u671f\u671b\u4e3a0\uff0c\u6807\u51c6\u5dee\u4e3a\u03c3\u7684\u6b63\u6001\u5206\u5e03
3.\u6837\u672c\u4e2a\u6570\u591a\u4e8e\u53c2\u6570\u4e2a\u6570
\u5efa\u6a21\u65b9\u6cd5:
ls y c x1 x2 x3 ...
x1 x2 x3\u7684\u9009\u62e9\u5148\u505a\u5404\u5e8f\u5217\u4e4b\u95f4\u7684\u7b80\u5355\u76f8\u5173\u7cfb\u6570\u8ba1\u7b97\uff0c\u9009\u62e9\u540c\u56e0\u53d8\u91cf\u76f8\u5173\u7cfb\u6570\u5927\u800c\u81ea\u53d8\u91cf\u76f8\u5173\u7cfb\u6570\u5c0f\u7684\u4e00\u4e9b\u53d8\u91cf\u3002\u6a21\u578b\u7684\u5b9e\u9645\u4e1a\u52a1\u542b\u4e49\u4e5f\u6709\u6307\u5bfc\u610f\u4e49\uff0c\u6bd4\u5982m1\u540cgdp\u80af\u5b9a\u662f\u76f8\u5173\u7684\u3002
\u6a21\u578b\u7684\u5efa\u7acb\u662f\u7b80\u5355\u7684\uff0c\u590d\u6742\u7684\u662f\u6a21\u578b\u7684\u68c0\u9a8c\u3001\u8bc4\u4ef7\u548c\u4e4b\u540e\u7684\u8c03\u6574\u3001\u62e9\u4f18\u3002
\u6a21\u578b\u68c0\u9a8c\uff1a
1\uff09\u65b9\u7a0b\u663e\u8457\u6027\u68c0\u9a8c\uff08F\u68c0\u9a8c\uff09\uff1a\u6a21\u578b\u62df\u5408\u6837\u672c\u7684\u6548\u679c\uff0c\u5373\u9009\u62e9\u7684\u6240\u6709\u81ea\u53d8\u91cf\u5bf9\u56e0\u53d8\u91cf\u7684\u89e3\u91ca\u529b\u5ea6
F\u5927\u4e8e\u4e34\u754c\u503c\u5219\u8bf4\u660e\u62d2\u7edd0\u5047\u8bbe\u3002
Eviews\u7ed9\u51fa\u4e86\u62d2\u7edd0\u5047\u8bbe(\u6240\u6709\u7cfb\u7edf\u4e3a0\u7684\u5047\u8bbe)\u72af\u9519\u8bef(\u7b2c\u4e00\u7c7b\u9519\u8bef\u6216\u03b1\u9519\u8bef)\u7684\u6982\u7387(\u6536\u5c3e\u6982\u7387\u6216\u76f8\u4f34\u6982\u7387)p\u503c\uff0c\u82e5p\u5c0f\u4e8e\u7f6e\u4fe1\u5ea6(\u59820.05)\u5219\u53ef\u4ee5\u62d2\u7edd0\u5047\u8bbe\uff0c\u5373\u8ba4\u4e3a\u65b9\u7a0b\u663e\u8457\u6027\u660e\u663e\u3002
2\uff09\u56de\u5f52\u7cfb\u6570\u663e\u8457\u6027\u68c0\u9a8c\uff08t\u68c0\u9a8c\uff09\uff1a\u68c0\u9a8c\u6bcf\u4e00\u4e2a\u81ea\u53d8\u91cf\u7684\u5408\u7406\u6027
|t|\u5927\u4e8e\u4e34\u754c\u503c\u8868\u793a\u53ef\u62d2\u7edd\u7cfb\u6570\u4e3a0\u7684\u5047\u8bbe\uff0c\u5373\u7cfb\u6570\u5408\u7406\u3002t\u5206\u5e03\u7684\u81ea\u7531\u5ea6\u4e3an-p-1,n\u4e3a\u6837\u672c\u6570\uff0cp\u4e3a\u7cfb\u6570\u4f4d\u7f6e
3\uff09DW\u68c0\u9a8c\uff1a\u68c0\u9a8c\u6b8b\u5dee\u5e8f\u5217\u7684\u81ea\u76f8\u5173\u6027\uff0c\u68c0\u9a8c\u57fa\u672c\u5047\u8bbe2\uff08\u968f\u673a\u8bef\u5dee\u76f8\u4e92\u72ec\u7acb\uff09
\u6b8b\u5dee\uff1a\u6a21\u578b\u8ba1\u7b97\u503c\u4e0e\u8d44\u6599\u5b9e\u6d4b\u503c\u4e4b\u5dee\u4e3a\u6b8b\u5dee
0<=dw<=dl \u6b8b\u5dee\u5e8f\u5217\u6b63\u76f8\u5173\uff0cdu<dw<4-du \u65e0\u81ea\u76f8\u5173\uff0c 4-dl<dw<=4\u8d1f\u76f8\u5173 \uff0c\u82e5\u4e0d\u5728\u4ee5\u4e0a3\u4e2a\u533a\u95f4\u5219\u68c0\u9a8c\u5931\u8d25\uff0c\u65e0\u6cd5\u5224\u65ad
demo\u4e2d\u7684dw=0.141430 \uff0cdl=1.73369,du=1.7786,\u6240\u4ee5\u5b58\u5728\u6b63\u76f8\u5173
\u6a21\u578b\u8bc4\u4ef7
\u76ee\u7684\uff1a\u4e0d\u540c\u6a21\u578b\u4e2d\u62e9\u4f18
1\uff09\u6837\u672c\u51b3\u5b9a\u7cfb\u6570R-squared\u53ca\u4fee\u6b63\u7684R-squared
R-squared=SSR/SST \u8868\u793a\u603b\u79bb\u5dee\u5e73\u65b9\u548c\u4e2d\u7531\u56de\u5f52\u65b9\u7a0b\u53ef\u4ee5\u89e3\u91ca\u90e8\u5206\u7684\u6bd4\u4f8b\uff0c\u6bd4\u4f8b\u8d8a\u5927\u8bf4\u660e\u56de\u5f52\u65b9\u7a0b\u53ef\u4ee5\u89e3\u91ca\u7684\u90e8\u5206\u8d8a\u591a\u3002
Adjust R-seqaured=1-(n-1)/(n-k)(1-R2)
2\uff09\u5bf9\u6570\u4f3c\u7136\u503c(Log Likelihood,\u7b80\u8bb0\u4e3aL)
\u6b8b\u5dee\u8d8a\u5c0f\uff0cL\u8d8a\u5927
3\uff09AIC\u51c6\u5219
AIC= -2L/n+2k/n, \u5176\u4e2dL\u4e3a log likelihood,n\u4e3a\u6837\u672c\u603b\u91cf\uff0ck\u4e3a\u53c2\u6570\u4e2a\u6570\u3002
AIC\u53ef\u8ba4\u4e3a\u662f\u53cd\u5411\u4fee\u6b63\u7684L\uff0cAIC\u8d8a\u5c0f\u8bf4\u660e\u6a21\u578b\u8d8a\u7cbe\u786e\u3002
4\uff09SC\u51c6\u5219
SC= -2L/n + k*ln(n)/n
\u7528\u6cd5\u540cAIC\u975e\u5e38\u63a5\u8fd1
\u9884\u6d4bforecast
root mean sequared error(RMSE)\u5747\u65b9\u6839\u8bef\u5dee
Mean Absolute Error(MAE)\u5e73\u5747\u7edd\u5bf9\u8bef\u5dee
\u8fd9\u4e24\u4e2a\u53d8\u91cf\u53d6\u51b3\u4e8e\u56e0\u53d8\u91cf\u7684\u7edd\u5bf9\u503c\uff0c
MAPE(Mean Abs. Percent Error)\u5e73\u5747\u7edd\u5bf9\u767e\u5206\u8bef\u5dee\uff0c\u4e00\u822c\u7684\u8ba4\u4e3aMAPE<10\u5219\u8ba4\u4e3a\u9884\u6d4b\u7cbe\u5ea6\u8f83\u9ad8
Theil Inequality Coefficient\uff08\u5e0c\u5c14\u4e0d\u7b49\u7cfb\u6570\uff09\u503c\u4e3a0-1\uff0c\u8d8a\u5c0f\u8868\u793a\u62df\u5408\u503c\u548c\u771f\u5b9e\u503c\u5dee\u5f02\u8d8a\u5c0f\u3002
\u504f\u5dee\u7387(bias Proportion)\uff0cbp\uff0c\u53cd\u6620\u9884\u6d4b\u503c\u548c\u771f\u5b9e\u503c\u5747\u503c\u95f4\u7684\u5dee\u5f02
\u65b9\u5dee\u7387(variance Proportion)\uff0cvp\uff0c\u53cd\u6620\u9884\u6d4b\u503c\u548c\u771f\u5b9e\u503c\u6807\u51c6\u5dee\u7684\u5dee\u5f02
\u534f\u53d8\u7387(covariance Proportion)\uff0ccp\uff0c\u53cd\u6620\u4e86\u5269\u4f59\u7684\u8bef\u5dee
\u4ee5\u4e0a\u4e09\u9879\u76f8\u52a0\u7b49\u4e8e1\u3002
\u9884\u6d4b\u6bd4\u8f83\u7406\u60f3\u662fbp,vp\u6bd4\u8f83\u5c0f\uff0c\u503c\u96c6\u4e2d\u5728cp\u4e0a\u3002
eviews\u4e0d\u80fd\u76f4\u63a5\u8ba1\u7b97\u51fa\u9884\u6d4b\u503c\u7684\u7f6e\u4fe1\u533a\u95f4\uff0c\u9700\u8981\u901a\u8fc7\u7f6e\u4fe1\u533a\u95f4\u7684\u4e0a\u4e0b\u9650\u516c\u5f0f\u6765\u8ba1\u7b97\u3002\u5982\u4f55\u64cd\u4f5c\uff1f
\u5176\u4ed6
1)Chow\u68c0\u9a8c
chow's breakpoint\u68c0\u9a8c
\u96f6\u5047\u8bbe\u662f\uff1a\u4e24\u4e2a\u5b50\u6837\u672c\u62df\u5408\u7684\u65b9\u7a0b\u65e0\u663e\u8457\u5dee\u5f02\u3002\u6709\u5dee\u5f02\u5219\u8bf4\u660e\u5173\u7cfb\u4e2d\u7ed3\u6784\u53d1\u751f\u6539\u53d8
demo\u4e2d
Chow Breakpoint Test: 1977Q1
F-statistic 2.95511837136742 Prob. F(3,174) 0.0339915698953355
Log likelihood ratio 8.94507926849178 Prob. Chi-Square(3) 0.0300300700620291
p\u503c<0.05\uff0c\u53ef\u62d2\u7edd0\u5047\u8bbe\uff0c\u5373\u8ba4\u4e3a\u5404\u4e2a\u56e0\u7d20\u7684\u5f71\u54cd\u5f3a\u5f31\u53d1\u751f\u4e86\u6539\u53d8\u3002
\u95ee\u9898\u662f\u5982\u4f55\u624d\u80fd\u51c6\u786e\u7684\u627e\u5230\u8fd9\u4e2a\u6216\u8fd9\u51e0\u4e2a\u65ad\u70b9\uff1f\u76ee\u524d\u7684\u65b9\u6cd5\u662f\u627e\u6b8b\u5dee\u6269\u5927\u8d85\u51fa\u8fb9\u7ebf\u7684\u90a3\u4e2a\u70b9\uff0c\u4f46\u8fd9\u662f\u4e0d\u51c6\u786e\u7684\uff0c\u5728demo\u4e2d1975Q2\u7684\u6b8b\u5dee\u8d85\u51fa\uff0c\u4f46\u662fchow's breakpoint\u68c0\u9a8c\u7684\u4e24\u4e2ap\u503c\u90fd\u63a5\u8fd10.2\uff0c1976Q3\u5f00\u59cb\u4e24\u4e2ap\u503c\u624d\u5c0f\u4e8e0.05\uff0c\u5e76\u4e14\u6709\u9010\u6e10\u51cf\u5c0f\u4e4b\u52bf\u3002
chow's forecast\u68c0\u9a8c
\u7528\u65ad\u70b9\u9694\u65ad\u6837\u672c\uff0c\u7528\u4e4b\u524d\u7684\u6837\u672c\u5efa\u7acb\u56de\u5f52\u6a21\u578b\uff0c\u7136\u540e\u7528\u8fd9\u4e2a\u6a21\u578b\u5bf9\u540e\u4e00\u6bb5\u8fdb\u884c\u9884\u6d4b\uff0c\u68c0\u9a8c\u8fd9\u4e2a\u6a21\u578b\u5bf9\u540e\u7eed\u6837\u672c\u7684\u62df\u5408\u7a0b\u5ea6\u3002
0\u5047\u8bbe\u662f\uff1a\u6a21\u578b\u4e0e\u540e\u6bb5\u6837\u672c\u65e0\u663e\u8457\u5dee\u5f02
demo\u4e2d\u76841976Q4\u4f5c\u4e3abreak point,\u5f97\u5230\u4e24\u4e2ap\u503c\u4e3a0\uff0c\u5373\u8ba4\u4e3a\u4e24\u6bb5\u6837\u672c\u7684\u7cfb\u6570\u5e94\u8be5\u662f\u4e0d\u540c\u7684\u3002
2\uff09\u81ea\u53d8\u91cf\u7684\u9009\u62e9
testadd\u68c0\u9a8c\uff1a
\u64cd\u4f5c\u65b9\u6cd5\u662f: eqation name.testadd ser1 ser2 ...
0\u5047\u8bbe\uff1a\u5e94\u8be5\u5c06\u8be5\u53d8\u91cf\u5f15\u5165\u65b9\u7a0b
\u68c0\u9a8c\u7edf\u8ba1\u91cf\uff1awald,LR
\u7ed3\u679c\uff1a\u901a\u8fc7\u4e24\u4e2ap\u503c(Prob. F,Prob Chi-sequare)\u770b\u662f\u5426\u62d2\u7edd\u539f\u5047\u8bbe
testdrop\u68c0\u9a8c\uff1a
\u64cd\u4f5c\u65b9\u6cd5\u662f: eqation name.testdrop ser1 ser2 ...
0\u5047\u8bbe\uff1a\u5e94\u8be5\u5c06\u8be5\u53d8\u91cf\u5254\u9664
\u68c0\u9a8c\u7edf\u8ba1\u91cf\uff1awald,LR
\u7ed3\u679c\uff1a\u901a\u8fc7\u4e24\u4e2ap\u503c(Prob. F,Prob Chi-sequare)\u770b\u662f\u5426\u62d2\u7edd\u539f\u5047\u8bbe
\u542b\u5b9a\u6027\u53d8\u91cf\u7684\u56de\u5f52\u6a21\u578b
\u5206\u4e3a\uff1a\u81ea\u53d8\u91cf\u542b\u5b9a\u6027\u53d8\u91cf\uff0c\u56e0\u53d8\u91cf\u542b\u5b9a\u6027\u53d8\u91cf\u3002\u540e\u4e00\u79cd\u60c5\u51b5\u8f83\u4e3a\u590d\u6742
\u5efa\u7acbdummy \u53d8\u91cf(\u540d\u4e49\u53d8\u91cf)\uff1a\u7528D\u8868\u793a
\u5f53\u53d8\u91cf\u6709m\u79cd\u60c5\u51b5\u65f6\uff0c\u9700\u8981\u5f15\u5165m-1\u4e2adummy\u53d8\u91cf
\u5904\u7406\u529e\u6cd5\uff1a\u628a\u5b9a\u6027\u53d8\u91cf\u5b9a\u4e49\u62100.1.2\u7b49\u6570\u503c\u540e\u548c\u4e00\u822c\u53d8\u91cf\u540c\u6837\u5904\u7406
\u5e38\u89c1\u95ee\u9898\u53ca\u5bf9\u7b56
1\uff09\u591a\u91cd\u5171\u7ebf\u6027\uff08multicollinearity\uff09:
p\u4e2a\u56de\u5f52\u53d8\u91cf\u4e4b\u95f4\u5b58\u5728\u4e25\u683c\u6216\u8fd1\u4f3c\u7684\u7ebf\u6027\u5173\u7cfb
\u8bca\u65ad\u65b9\u6cd5\uff1a
1.\u5982\u679c\u6a21\u578b\u7684R-sequared\u5f88\u5927\uff0cF\u68c0\u9a8c\u901a\u8fc7\uff0c\u4f46\u662f\u67d0\u4e9b\u7cfb\u7edf\u7684t\u68c0\u9a8c\u6ca1\u901a\u8fc7
2.\u67d0\u4e9b\u81ea\u53d8\u91cf\u7cfb\u6570\u4e4b\u95f4\u7684\u7b80\u5355\u76f8\u5173\u7cfb\u6570\u5f88\u5927
3.\u56de\u5f52\u7cfb\u6570\u7b26\u53f7\u4e0e\u7b80\u5355\u76f8\u5173\u7cfb\u7edf\u7b26\u53f7\u76f8\u53cd
\u4ee5\u4e0a3\u6761\u53d1\u751f\u90fd\u6709\u7406\u7531\u6000\u7591\u5b58\u5728\u591a\u91cd\u5171\u7ebf\u6027
\u65b9\u5dee\u6269\u5927\u56e0\u5b50(variance inflation factor VIFj)\u662f\u8bca\u65ad\u591a\u91cd\u5171\u7ebf\u6027\u7684\u5e38\u7528\u624b\u6bb5\u3002
VIFj\u4e3a\u77e9\u9635(X\u2019 X)-1\u7b2cj\u4e2a\u5bf9\u89d2\u5143\u7d20cjj=1/(1-R2j)(j=1,2\u2026,p)
\u5176\u4e2dR2j\u4e3a\u4ee5\u4f5c\u4e3acj\u56e0\u53d8\u91cf\uff0c\u5176\u4f59p-1\u4e2a\u81ea\u53d8\u91cf\u4f5c\u4e3a\u81ea\u53d8\u91cf\u5efa\u7acb\u591a\u5143\u56de\u5f52\u6a21\u578b\u6240\u5f97\u7684\u6837\u672c\u51b3\u5b9a\u7cfb\u6570\uff0c\u6240\u4ee5R2j\u8d8a\u5927\u5219\u8bf4\u660e\u81ea\u53d8\u91cf\u4e4b\u95f4\u81ea\u76f8\u5173\u6027\u8d8a\u5927\uff0c\u6b64\u65f6\u4e5f\u8d8a\u5927\uff0c\u53ef\u4ee5\u8ba4\u4e3aVIFj>10(R2j>0.9)\u5219\u5b58\u5728\u591a\u91cd\u5171\u7ebf\u6027\u3002
\u8fd8\u53ef\u4ee5\u4f7f\u7528VIFj\u7684\u5e73\u5747\u6570\u4f5c\u4e3a\u5224\u65ad\u6807\u51c6\uff0c\u5982\u679cavg(VIFj)\u8fdc\u5927\u4e8e10\u5219\u8ba4\u4e3a\u5b58\u5728\u591a\u91cd\u5171\u7ebf\u6027\u3002
eviews\u91cc\u5982\u4f55\u4f7f\u7528VIF\u6cd5\uff1f--\u5efa\u7acb\u65b9\u7a0b\uff0c\u7136\u540e\u624b\u5de5\u5efa\u7acbscalar vif\u3002demo\u4e2dGDP\u548cPR\u7684vif\u4e3a66\uff0c\u5b58\u5728\u591a\u91cd\u5171\u7ebf\u6027? \u53ea\u6709\u4e00\u4e2a\u81ea\u53d8\u91cf\u7684\u65b9\u7a0b\u662f\u5426\u4f1a\u5931\u6548?\u6b64\u65f6dw\u503c\u53ea\u67090.01\u8fdc\u5c0f\u4e8edl\uff0c\u8bf4\u660eGDP\u8fdc\u8fdc\u4e0d\u662fPR\u80fd\u51b3\u5b9a\u7684\u3002\u7ed3\u5408testdrop\u5c06PR\u53bb\u9664\uff0c\u4e24\u4e2ap\u503c\u4e3a0\uff0c\u8bf4\u660e\u4e0d\u80fd\u628aPR\u53bb\u9664\u3002
\u5728eviews\u4e2d\u5f53\u81ea\u53d8\u91cf\u5b58\u5728\u4e25\u91cd\u7684\u591a\u91cd\u5171\u7ebf\u6027\u65f6\u5c06\u4e0d\u80fd\u7ed9\u51fa\u53c2\u6570\u4f30\u8ba1\u503c\uff0c\u800c\u4f1a\u62a5\u9519\uff1anearly singular matrix
\u591a\u91cd\u5171\u7ebf\u6027\u7684\u5904\u7406\uff1a
1.\u5254\u9664\u81ea\u53d8\u91cf\uff0c\u9009\u62e9\u901a\u8fc7testdrop\u5b9e\u9a8c\uff0c\u5e76\u4e14vif\u503c\u6700\u5927\u7684\u90a3\u4e2a
2.\u5dee\u5206\u6cd5\uff0c\u5728\u5efa\u7acb\u65b9\u7a0b\u65f6\u586b\u5165 ls m1-m1(-1) c gdp-gdp(-1) pr-pr(-1)\u3002m1(-1)\u8868\u793a\u4e0a\u4e00\u4e2am1
\u5dee\u5206\u6cd5\u5e38\u5e38\u4f1a\u4e22\u5931\u4e00\u4e9b\u4fe1\u606f\uff0c\u4f7f\u7528\u65f6\u5e94\u8c28\u614e\u3002 demo\u4e2d\u5f97\u5230\u7684\u6a21\u578b\uff0cc \u7684p\u503c0.11, pr-pr(-1)\u7684p\u503c\u4e3a0.60\uff0c\u8bf4\u660e\u53c2\u6570\u65e0\u6548\u3002
2\uff09\u5f02\u65b9\u5dee\u6027\uff08Herteroskedasticity\uff09
\u5373\u968f\u673a\u8bef\u5dee\u9879\u4e0d\u6ee1\u8db3\u57fa\u672c\u5047\u8bbe\u7684\u540c\u65b9\u5dee\u6027,\u5f02\u65b9\u5dee\u6027\u8bf4\u660e\u968f\u673a\u8bef\u5dee\u4e2d\u6709\u4e9b\u9879\u5bf9\u56e0\u53d8\u91cf\u7684\u5f71\u54cd\u662f\u4e0d\u540c\u4e8e\u5176\u4ed6\u9879\u7684\u3002
\u4e00\u822c\u5730\uff0c\u622a\u9762\u6570\u636e\u505a\u6837\u672c\u65f6\u51fa\u73b0\u5f02\u65b9\u5dee\u6027\u7684\u53ef\u80fd\u8f83\u5927\uff0c\u6216\u8005\u8bf4\u90fd\u5b58\u5728\u5f02\u65b9\u5dee\u6027
\u82e5\u5b58\u5728\u5f02\u65b9\u5dee\u6027\uff0c\u7528OLS\u4f30\u8ba1\u51fa\u6765\u7684\u53c2\u6570\uff0c\u53ef\u80fd\u5bfc\u81f4\u4f30\u8ba1\u503c\u867d\u7136\u662f\u65e0\u504f\u7684\uff0c\u4f46\u4e0d\u662f\u6709\u6548\u7684\u3002
\uff08\u622a\u9762\u6570\u636e\u5c31\u662f\u540c\u4e00\u65f6\u95f4\u70b9\u4e0a\u5404\u4e2a\u4e3b\u4f53\u7684\u6570\u636e\uff0c\u6bd4\u59822007\u5e74\u5404\u7701\u7684GDP\u6570\u636e\u653e\u5728\u4e00\u8d77\u5c31\u662f\u4e00\u7ec4\u622a\u9762\u6570\u636e
\u4e0e\u4e4b\u76f8\u5bf9\u7684\u662f\u65f6\u95f4\u5e8f\u5217\u6570\u636e \u5982\u6cb3\u5317\u7701\u4ece00\u5e74\u523007\u5e74\u7684\u6570\u636e\u5c31\u662f\u4e00\u7ec4\u65f6\u95f4\u5e8f\u5217\u6570\u636e
\u4e24\u8005\u7efc\u5408\u53eb\u9762\u677f\u6570\u636e \uff09
00\u5e74\u523007\u5e74\u5404\u7701\u7684\u6570\u636e\u7efc\u5408\u5728\u4e00\u8d77\u5c31\u53eb\u9762\u677f\u6570\u636e
\u8bca\u65ad\u65b9\u6cd5\uff1a
1.\u56fe\u793a\u6cd5\uff0c\u4ee5\u56e0\u53d8\u91cf\u4f5c\u4e3a\u6a2a\u5750\u6807\uff0c\u4ee5\u6b8b\u5dee\u9879\u4e3a\u7eb5\u5750\u6807\uff0c\u6839\u636e\u6563\u70b9\u56fe\u5224\u65ad\u662f\u5426\u5b58\u5728\u76f8\u5173\u6027\u3002
(\u9009\u62e9\u4e24\u4e2a\u5e8f\u5217\u4f5c\u4e3agroup\u6253\u5f00\uff0c\u5148\u9009\u4e2d\u7684\u5e8f\u5217\u5c06\u4f5c\u4e3agroup\u7684\u7eb5\u5750\u6807)
2.\u6208\u91cc\u745f(Glejser)\u68c0\u9a8c\uff1a
??
3.\u6000\u7279(White)\u68c0\u9a8c:
\u7528e2\u4f5c\u4e3a\u56e0\u53d8\u91cf\uff0c\u539f\u5148\u7684\u81ea\u53d8\u91cf\u53ca\u81ea\u53d8\u91cf\u7684\u5e73\u65b9(\u8fd8\u53ef\u4ee5\u52a0\u4e0a\u5404\u81ea\u53d8\u91cf\u4e4b\u95f4\u7684\u76f8\u4e92\u4e58\u79ef)\u4f5c\u4e3a\u81ea\u53d8\u91cf \u5efa\u7acb\u6a21\u578b\u3002
\u6000\u7279\u68c0\u9a8c\u7684\u7edf\u8ba1\u91cf\u4e3a\uff1am=n*R2(n\u662f\u6837\u672c\u5bb9\u91cf\uff0cR2\u662f\u65b0\u6a21\u578b\u7684\u62df\u5408\u4f18\u5ea6), m~ \u03c72(k) k\u4e3a\u65b0\u6a21\u578b\u9664\u5e38\u6570\u9879\u4e4b\u5916\u7684\u81ea\u53d8\u91cf\u4e2a\u6570
\u96f6\u5047\u8bbe\uff1a\u6a21\u578b\u4e0d\u5b58\u5728\u5f02\u65b9\u5dee\u6027
\u64cd\u4f5c\uff1a\u5728\u4f30\u8ba1\u51fa\u6765\u7684\u65b9\u7a0b\u4e2d\uff0cview-residual tests-White Herteroskedasticity(no cross/cross) \u5206\u522b\u4e3a\u662f\u5426\u542b\u81ea\u53d8\u91cf\u4ea4\u53c9\u9879
demo\u4e2d\u7684\u4e24\u4e2ap\u503c\u4e3a0\uff0c\u6240\u4ee5\u62d2\u7edd\u96f6\u5047\u8bbe\uff0c\u8ba4\u4e3a\u5b58\u5728\u4e25\u91cd\u7684\u5f02\u65b9\u5dee\u6027\u3002
\u5f02\u65b9\u5dee\u6027\u7684\u5904\u7406\uff1a
1.\u52a0\u6743\u6700\u5c0f\u4e8c\u4e58\u6cd5(WLS weighted least sequare)\u3002
\u6700\u5e38\u7528\u7684\u65b9\u6cd5\uff0c\u4e00\u822c\u7528\u4e8e\u5f02\u65b9\u5dee\u5f62\u5f0f\u53ef\u77e5\u7684\u60c5\u51b5\u3002\u57fa\u672c\u601d\u8def\u662f\u8d4b\u4e88\u6b8b\u5dee\u7684\u6bcf\u4e2a\u89c2\u6d4b\u503c\u4e0d\u540c\u7684\u6743\u6570\uff0c\u4ece\u800c\u4f7f\u6a21\u578b\u7684\u968f\u673a\u8bef\u5dee\u9879\u5177\u6709\u76f8\u540c\u7684\u65b9\u5dee\u3002
2.\u81ea\u76f8\u5173\u76f8\u5bb9\u534f\u65b9\u5dee(Heteroskedasticity and antocorrelation consistent convariances HAC)
\u7528\u4e8e\u5f02\u65b9\u5dee\u6027\u5f62\u5f0f\u672a\u77e5\u65f6\u3002\u5728\u5efa\u6a21\u65f6\u5728options\u4e2d\u9009\u62e9Heteroskedasticity consistent convariances \u518d\u4ecewhite,newey-west\u4e2d\u9009\u62e9\u4e00\u79cd\u3002
HAC\u4e0d\u6539\u53d8\u53c2\u6570\u7684\u70b9\u4f30\u8ba1\uff0c\u6539\u53d8\u7684\u77e5\u8bc6\u4f30\u8ba1\u6807\u51c6\u5dee\u3002\u5982\u4f55\u6539\u53d8\u6807\u51c6\u5dee\uff1f
3\uff09\u81ea\u76f8\u5173\u6027
\u6b8b\u5dee\u9879\u4e0d\u6ee1\u8db3\u76f8\u4e92\u72ec\u7acb\u7684\u5047\u8bbe\u3002\u4e00\u822c\u7684\uff0c\u7ecf\u6d4e\u65f6\u95f4\u5e8f\u5217\u4e2d\u81ea\u76f8\u5173\u73b0\u8c61\u8f83\u4e3a\u5e38\u89c1\uff0c\u8fd9\u4e3b\u8981\u662f\u7ecf\u6d4e\u53d8\u91cf\u7684\u6ede\u540e\u6027\u5e26\u6765\u7684\u3002
\u81ea\u76f8\u5173\u6027\u5c06\u5bfc\u81f4\u53c2\u6570\u4f30\u8ba1\u503c\u867d\u7136\u662f\u65e0\u504f\u7684\uff0c\u4f46\u4e0d\u662f\u6709\u6548\u7684\u3002
\u8bca\u65ad\u65b9\u6cd5\uff1a
1.\u7ed8\u5236\u6b8b\u5dee\u5e8f\u5217\u56fe\u3002\u5982\u679c\u5e8f\u5217\u56fe\u6210\u952f\u9f7f\u5f62\u6216\u5faa\u73af\u72b6\u7684\u53d8\u5316\uff0c\u53ef\u4ee5\u5224\u5b9a\u5b58\u5728\u81ea\u76f8\u5173
2.\u56de\u5f52\u68c0\u9a8c\u6cd5\uff1a
\u4ee5\u6b8b\u5deee(t)\u4e3a\u88ab\u89e3\u91ca\u53d8\u91cf\uff0c\u4ee5\u5404\u79cd\u53ef\u80fd\u7684\u76f8\u5173\u53d8\u91cf\uff0c\u5982 e(t-1) e(t-2)\u4f5c\u4e3a\u81ea\u53d8\u91cf\uff0c\u9009\u62e9\u663e\u8457\u7684\u6700\u4f18\u62df\u5408\u6a21\u578b\u4f5c\u4e3a\u81ea\u76f8\u5173\u7684\u5f62\u5f0f\u3002
demo\u4e2d\u4ee5 ls residm1 c residm1(-1) residm1(-2)\u540e \u53d1\u73b0c\u7684p\u503c\u4e3a0.54\uff0c\u505atestdrop\u5b9e\u9a8c\uff0c\u4e24\u4e2ap\u503c\u90fd>0.5 \u53ef\u4ee5\u5c06c\u5254\u9664\u3002\u5254\u9664c\u540e\uff1a
Dependent Variable: RESIDM1
Method: Least Squares
Date: 12/29/07 Time: 11:26
Sample (adjusted): 1952Q3 1996Q4
Included observations: 178 after adjustments
Variable Coefficient Std. Error t-Statistic Prob.
RESIDM1(-1) 1.215361 0.077011 15.78173 0.0000
RESIDM1(-2) -0.271664 0.078272 -3.470763 0.0007
R-squared 0.868569 Mean dependent var 0.011855
Adjusted R-squared 0.867823 S.D. dependent var 26.91138
S.E. of regression 9.783961 Akaike info criterion 7.410538
Sum squared resid 16847.76 Schwarz criterion 7.446289
Log likelihood -657.5379 Durbin-Watson stat 2.057531
\u6a21\u578b\u7684r-sequared\u7a0d\u5c0f\uff0c\u53c2\u6570\u5f88\u663e\u8457\uff0cdw\u663e\u793a\u4e3a\u65e0\u81ea\u76f8\u5173\u3002
\u4f46\u662f\u5e38\u6570c\u80fd\u5254\u9664\u5417\uff1f\u5254\u9664\u540e\u6a21\u578b\u6ca1\u6709f-statistic\u548c\u5bf9\u5e94p\u503c\uff0c\u539f\u7406\u4f55\u5728\uff1f
3.DW\u68c0\u9a8c\u6cd5
\u7528\u4e8e\u5c0f\u6837\u672c\u7684\u4e00\u9636\u81ea\u76f8\u5173\u60c5\u51b5\uff0c\u7f3a\u70b9\uff1a\u5f53\u56de\u5f52\u65b9\u7a0b\u53f3\u8fb9\u5b58\u5728\u56e0\u53d8\u91cf\u7684\u6ede\u540e\u9879\u5982m1(t-i) (i=1,2,...)\u65f6\uff0c\u68c0\u9a8c\u5931\u8d25\u3002
\u89e3\u51b3\u529e\u6cd5\uff1a
1.\u5dee\u5206\u6cd5
\u7528\u589e\u91cf\u6570\u636e\u4ee3\u66ff\u539f\u6765\u7684\u6837\u672c\u6570\u636e\uff0c\u8f83\u597d\u7684\u514b\u670d\u4e86\u81ea\u76f8\u5173\uff0c\u4f46\u662f\u6539\u53d8\u4e86\u539f\u65b9\u7a0b\u7684\u5f62\u5f0f\uff0c\u610f\u4e49\u4e0d\u5927\u3002
2.Cochrane-Orcutt\u8fed\u4ee3\u6cd5
\u4e0d\u80fd\u6709\u5e38\u6570\u9879!\u9a8c\u8bc1\u4e86\u56de\u5f52\u68c0\u9a8c\u7684\u4e2d\u7684\u505a\u6cd5\u3002
\u60a8\u597d\uff0c\u73b0\u5728\u4f60\u4f1a\u4e86\u5417\uff0c\u6211\u9047\u5230\u540c\u6837\u95ee\u9898 \u4e0d\u4f1a
你把定性变量序列按照常规变量的方式输入在workfile中,然后在输入估计参数时正常调用就行了。比如自变量x1 x2 因变量y,在估计时输入参数y c x1 x2得到结果。绛旓細宀鍥炲綊鏄竴绉嶄笓鐢ㄤ簬鍏辩嚎鎬ф暟鎹垎鏋愮殑鏈夊亸浼拌鍥炲綊鏂规硶锛岄氳繃鏀惧純鏈灏忎簩涔樻硶鐨勬棤鍋忔э紝浠ユ崯澶遍儴鍒嗕俊鎭侀檷浣庣簿搴︿负浠d环鑾峰緱鍥炲綊绯绘暟锛屽鐥呮佹暟鎹殑鎷熷悎瑕佸己浜庢渶灏忎簩涔樻硶銆傦紙浠ヤ笂浠嬬粛鏉ヨ嚜鐧剧锛夊墠闈粙缁嶄簡鍩烘湰鐨勬搷浣滃拰濡備綍浣跨敤Eviews 7鍋氳嚜鐩稿叧闂鐨勬楠岋紝浠婂ぉ鎴戜滑灏辨潵浠嬬粛宀洖褰掔殑鍋氭硶銆備篃璁镐細鏈変笉瓒筹紝...
绛旓細寤烘ā鐨勬椂鍊欙紝涓よ呮湁鍖哄埆銆備絾濡傛灉宸茬粡鍒颁簡鐢eviews鍋鍥炲綊鐨勯樁娈碉紝閭h繖涓や釜鎸囩殑鏄悓涓涓剰鎬濄
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