六步学会用MATLAB做空间计量回归详细步骤.doc
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1、*.1.excel与MATLAB链接:Excel:选项加载项COM加载项转到没有勾选项 2. MATLAB安装目录中寻找toolboxexlink点击,启用宏 E:MATLABtoolboxexlink然后,Excel中就出现MATLAB工具(注意Excel中的数据:)3.启动matlab(1) 点击start MATLAB(2) senddata to matlab ,并对变量矩阵变量进行命名(注意:选取变量为数值,不包括各变量)(data表中数据进行命名)(空间权重进行命名)(3) 导入MATLAB中的两个矩阵变量就可以看见4.将elhorst和jplv7两个程序文件夹复制到MATLAB安
2、装目录的toolbox文件夹5.设置路径:6.输入程序,得出结果T=30; N=46; W=normw(W1); y=A(:,3); x=A(:,4,6); xconstant=ones(N*T,1);nobs K=size(x);results=ols(y,xconstant x);vnames=strvcat(logcit,intercept,logp,logy);prt_reg(results,vnames,1);sige=results.sige*(nobs-K)/nobs);loglikols=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.res
3、id*results.resid% The (robust)LM tests developed by ElhorstLMsarsem_panel(results,W,y,xconstant x); % (Robust) LM tests解释每一行分别表示:该面板数据的时期数为30(T=30),该面板数据有30个地区(N=30),将空间权重矩阵标准化(W=normw(w1)),将名为A(以矩阵形式出现在MATLABA中)的变量的第3列数据定义为被解释变量y,将名为A的变量的第4、5、6列数据定义为解释变量矩阵x,定义一个有N*T行,1列的全1矩阵,该矩阵名为:xconstant,(ones即为
4、全1矩阵)说明解释变量矩阵x的大小:有nobs行,K列。(size为描述矩阵的大小)。附录:静态面板空间计量经济学一、OLS静态面板编程1、普通面板编程T=30; N=46; W=normw(W1); y=A(:,3); x=A(:,4,6); xconstant=ones(N*T,1);nobs K=size(x);results=ols(y,xconstant x);vnames=strvcat(logcit,intercept,logp,logy);prt_reg(results,vnames,1);sige=results.sige*(nobs-K)/nobs);loglikols=-
5、nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid*results.resid% The (robust)LM tests developed by ElhorstLMsarsem_panel(results,W,y,xconstant x); % (Robust) LM tests2、空间固定OLS (spatial-fixed effects)T=30; N=46; W=normw(W1); y=A(:,3); x=A(:,4,6); xconstant=ones(N*T,1);nobs K=size(x);model=1;ywith,xwith,
6、meanny,meannx,meanty,meantx=demean(y,x,N,T,model);results=ols(ywith,xwith);vnames=strvcat(logcit,logp,logy); % should be changed if x is changedprt_reg(results,vnames);sfe=meanny-meannx*results.beta; % including the constant termyme = y - mean(y);et=ones(T,1);error=y-kron(et,sfe)-x*results.beta;rsqr
7、1 = error*error;rsqr2 = yme*yme;FE_rsqr2 = 1.0 - rsqr1/rsqr2 % r-squared including fixed effectssige=results.sige*(nobs-K)/nobs);logliksfe=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid*results.residLMsarsem_panel(results,W,ywith,xwith); % (Robust) LM tests3、时期固定OLS(time-period fixed effects)T=30;
8、N=46; W=normw(W1); y=A(:,3); x=A(:,4,6); xconstant=ones(N*T,1);nobs K=size(x);model=2;ywith,xwith,meanny,meannx,meanty,meantx=demean(y,x,N,T,model);results=ols(ywith,xwith);vnames=strvcat(logcit,logp,logy); % should be changed if x is changedprt_reg(results,vnames);tfe=meanty-meantx*results.beta; %
9、including the constant termyme = y - mean(y);en=ones(N,1);error=y-kron(tfe,en)-x*results.beta;rsqr1 = error*error;rsqr2 = yme*yme;FE_rsqr2 = 1.0 - rsqr1/rsqr2 % r-squared including fixed effectssige=results.sige*(nobs-K)/nobs);logliktfe=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid*results.residLM
10、sarsem_panel(results,W,ywith,xwith); % (Robust) LM tests4、空间与时间双固定模型T=30; N=46; W=normw(W1); y=A(:,3); x=A(:,4,6); xconstant=ones(N*T,1);nobs K=size(x);model=3;ywith,xwith,meanny,meannx,meanty,meantx=demean(y,x,N,T,model);results=ols(ywith,xwith);vnames=strvcat(logcit,logp,logy); % should be changed
11、 if x is changedprt_reg(results,vnames)en=ones(N,1);et=ones(T,1);intercept=mean(y)-mean(x)*results.beta; sfe=meanny-meannx*results.beta-kron(en,intercept);tfe=meanty-meantx*results.beta-kron(et,intercept);yme = y - mean(y);ent=ones(N*T,1);error=y-kron(tfe,en)-kron(et,sfe)-x*results.beta-kron(ent,int
12、ercept);rsqr1 = error*error;rsqr2 = yme*yme;FE_rsqr2 = 1.0 - rsqr1/rsqr2 % r-squared including fixed effectssige=results.sige*(nobs-K)/nobs);loglikstfe=-nobs/2*log(2*pi*sige)-1/(2*sige)*results.resid*results.residLMsarsem_panel(results,W,ywith,xwith); % (Robust) LM tests二、静态面板SAR模型1、无固定效应(No fixed e
13、ffects)T=30; N=46; W=normw(W1);y=A(:,3);x=A(:,4,6); for t=1:T t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:);endxconstant=ones(N*T,1);nobs K=size(x);info.lflag=0; info.model=0;info.fe=0; results=sar_panel_FE(y,xconstant x,W,T,info); vnames=strvcat(logcit,intercept,logp,logy);prt_spnew(results,vnames,
14、1)% Print out effects estimatesspat_model=0;direct_indirect_effects_estimates(results,W,spat_model);panel_effects_sar(results,vnames,W);2、空间固定效应(Spatial fixed effects)T=30; N=46; W=normw(W1);y=A(:,3);x=A(:,4,6); for t=1:T t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:);endxconstant=ones(N*T,1);nobs K=
15、size(x);info.lflag=0;info.model=1;info.fe=0; results=sar_panel_FE(y,x,W,T,info); vnames=strvcat(logcit,logp,logy);prt_spnew(results,vnames,1)% Print out effects estimatesspat_model=0;direct_indirect_effects_estimates(results,W,spat_model);panel_effects_sar(results,vnames,W);3、时点固定效应(Time period fixe
16、d effects)T=30; N=46; W=normw(W1);y=A(:,3);x=A(:,4,6); for t=1:T t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:);endxconstant=ones(N*T,1);nobs K=size(x);info.lflag=0; % required for exact resultsinfo.model=2;info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn onresults=sar_pan
17、el_FE(y,x,W,T,info); vnames=strvcat(logcit,logp,logy);prt_spnew(results,vnames,1)% Print out effects estimatesspat_model=0;direct_indirect_effects_estimates(results,W,spat_model);panel_effects_sar(results,vnames,W);4、双固定效应(Spatial and time period fixed effects)T=30; N=46; W=normw(W1);y=A(:,3);x=A(:,
18、4,6); for t=1:T t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:);endxconstant=ones(N*T,1);nobs K=size(x);info.lflag=0; % required for exact resultsinfo.model=3;info.fe=0; % Do not print intercept and fixed effects; use info.fe=1 to turn onresults=sar_panel_FE(y,x,W,T,info); vnames=strvcat(logcit,logp,l
19、ogy);prt_spnew(results,vnames,1)% Print out effects estimatesspat_model=0;direct_indirect_effects_estimates(results,W,spat_model);panel_effects_sar(results,vnames,W);三、静态面板SDM模型1、无固定效应(No fixed effects)T=30; N=46; W=normw(W1);y=A(:,3);x=A(:,4,6); for t=1:T t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,
20、:);endxconstant=ones(N*T,1);nobs K=size(x);info.lflag=0; info.model=0;info.fe=0; results=sar_panel_FE(y,xconstant x wx,W,T,info); vnames=strvcat(logcit,intercept,logp,logy,W*logp,W*logy);prt_spnew(results,vnames,1)% Print out effects estimatesspat_model=1;direct_indirect_effects_estimates(results,W,
21、spat_model);panel_effects_sdm(results,vnames,W);2、空间固定效应(Spatial fixed effects)T=30; N=46; W=normw(W1);y=A(:,3);x=A(:,4,6); for t=1:T t1=(t-1)*N+1;t2=t*N; wx(t1:t2,:)=W*x(t1:t2,:);endxconstant=ones(N*T,1);nobs K=size(x);info.lflag=0; % required for exact resultsinfo.model=1;info.fe=0; % Do not print
22、 intercept and fixed effects; use info.fe=1 to turn onresults=sar_panel_FE(y,x wx,W,T,info); vnames=strvcat(logcit,logp,logy,W*logp,W*logy);prt_spnew(results,vnames,1)% Print out effects estimatesspat_model=1;direct_indirect_effects_estimates(results,W,spat_model);panel_effects_sdm(results,vnames,W)
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