ods html;
ods listing close;
ods graphics on;
title;
data crackman;
input x1 x2 x3 x4 x5 x6 x7 x8@@;
cards;
171.0 58.5 81.0 100.0 57.0 97.0 134.0 67.0
154.8 44.5 74.0        120.0 67.0 97.0 134.0 67.0
175.0 65.0 87.0 110.0 77.0 97.0 134.0 67.0
164.0 51.0 72.0        130.0 67.0 97.0 134.0 67.0
159.0 38.0 71.0 120.0 96.0 97.0 134.0 67.0
165.2 55.0 79.0        140.0 57.0 97.0 134.0 67.0
155.3 45.0 74.0 130.0 95.0 97.0 134.0 67.0
164.5 46.0 71.0        110.0 45.0 97.0 134.0 67.0
152.0 35.0 63.0 180.0 87.0 97.0 134.0 67.0
159.1 48.0 72.5        130.0 87.0 97.0 134.0 67.0
158.3 44.5 75.0 120.0 84.0 97.0 134.0 67.0
164.2 46.5 73.0        150.0 81.0 97.0 134.0 67.0
;
proc corr data=crackman  plots;
var x1 x2 x3 x4 x5 x6 x7 x8;
run;
ods graphics off;
ods html close;
ods listing;
请问为什么这个做出来的结果只有5×5的图表结果。（并不是数据的问题，我试过了）