yzfx1.sas

those are some program of the sas system .and very useful when doing the statistic working .

title'五个经济变量的数据';
data ex;
input pop school employ services house;
cards;
5700 12.8 2500 270 25000
1000 10.9 600  10  10000
3400 8.8  1000 10  9000
3800 13.6 1700 140 25000
4000 12.8 1600 140 25000
8200 8.3  2600 60  12000
1200 11.4 400  10  16000
9100 11.5 3300 60  14000
9900 12.5 3400 180 18000
9600 13.7 3600 390 25000
9600 9.6  3300 80  12000
9400 11.4 4000 100 13000
;
proc factor data=ex simple corr;title2'主分量分析';run;
 
proc factor data=ex priors=smc msa scree residual preplot rotate=promax
            reorder plot outstat=fact_all;
            title2'用Promax旋转的主因子分析';run;
proc print;title2'因子分析的输出数据集';run;