才开始学习SAS,对于变量长度不知道如何限定。
data home;
input owner $ description $ cost;
cards;
Bob kitchen cabinet face-lift 1253.00
Shirley bathroom addition 11350.00
Silvia paint exterior .
Al backyard gazebo 3098.63
Norm paint interio 647.77
Kathy cond floor addition 75362.93
;
run;
data homedevelopment;
set home;
if cost = . then costgroup ='missing';
else if cost<2000 then costgroup = 'low';
else if cost<10000 then costgroup ='medium';
else costgroup ='high';
proc print data= homedevelopment;
run;
为什么每次输入的结果owner 和 description的长度都对不上呢??
请大家帮帮忙,应该把length的语句添在哪里。
还有 如何判断 语句的长度 呢 ?