SAS-椭圆轴上的PCA

SAS-椭圆轴上的PCA,sas,pca,Sas,Pca,我想在SAS Enterprise Guide中绘制预测椭圆的长轴和短轴。例如,我使用以下步骤生成散点图和椭圆: proc sgplot data=pca.scatter1(where=(x1<=200)); title "Scatter Plot for original variables X1 and X2"; scatter y=X2 x=X1; ellipse y=X2 x=X1; run; proc sgplot data=pca.scatter1(其中=(x1

我想在SAS Enterprise Guide中绘制预测椭圆的长轴和短轴。例如,我使用以下步骤生成散点图和椭圆:

proc sgplot data=pca.scatter1(where=(x1<=200));
title "Scatter Plot for original variables X1 and X2";
scatter y=X2 x=X1;
ellipse y=X2 x=X1; 
run;
proc sgplot data=pca.scatter1(其中=(x1