问题描述

SAS的分析变量问题。。。。。

data examp1;
input x @@;
cards;
70.4 72.0 76.5 74.3 76.5 77.6 67.3 72.0 75.0 74.3
73.5 79.5 73.5 74.7 65.0 76.5 81.6 75.4 72.7 72.7
67.2 76.5 72.7 70.4 77.2 68.8 67.3 67.3 67.3 72.7
75.8 73.5 75.0 72.7 73.5 73.5 72.7 81.6 70.3 74.3
73.5 79.5 70.4 76.5 72.7 77.2 84.3 75.0 76.5 70.4
;
proc means data=examp1 n mean cv skewness kurtosis range median ;
var x;
run;

input x @@;
后面加的@@是为什么？有什么用？

解决方案

http://blog.163.com/zzz216@yeah/blog/static/16255468420121105745404/

解决方案二：

SAS主成分分析