數學之路-sas備忘(18),之路-sas備忘18

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數學之路-sas備忘(18),之路-sas備忘18
data _null_;
x=15.63;
y=15.13;


xx=ceil(x);
yy=ceil(y);
put xx= yy=;


xx=floor(x);
yy=floor(y);
put xx= yy=;


xx=int(x);
yy=int(y);
put xx= yy=;


xx=round(x,0.1);
yy=round(y,0.1);
put xx= yy=;


z=trunc(1/3,3);*按3個位元組儲存;
put z=;

本部落格所有內容是原創,如果轉載請註明來源http://blog.csdn.net/myhaspl/


z=trunc(1/3,6);*按6個位元組儲存;
put z=;


run;
輸出:xx=16 yy=16
xx=15 yy=15
xx=15 yy=15
xx=15.6 yy=15.1
z=0.3333129883
z=0.3333333333

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