help for caculate the total value for the variables using macro language

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There are 10 cases,  each case has 25 variables  from x1 to x25. The purpose is generate a new variable X, and

 X=x1+x2+... +x25 for each case.

Could any expertise of SAS macro language write a SAS code for me or give me a suggestions?

Thank you for your help.

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关键词：Variables Variable Language caculate Using Using value Macro Language caculate

What do you mean by 10 cases? you have 10 different tables or you have a variable named 'case'?

if ur table looks as case, x1 -- x25 then all you need to do is in the data step

data new; set data old; x=x1+...+x25;

please tell me hows your data looks like...

best regards,

In my statement, the 10 cases mean the sample size is the 10.

Yes, your right. it can be done in the data step as you said. But I don't think it is smart way.It also can be done using the function of sum.

It is difficult to deal with it as your method. Becasue there are 25 variables. If there are more than 300 variables. It is more difficlut. I want to use a loop  to deal with it based on macro language. 

llulla 发表于 2008-6-23 23:42
In my statement, the 10 cases mean the sample size is the 10. Yes, your right. it can be done in the ...

how did you solve this problem at last?

用个数组不就完事了，非得纠结于宏，嗨。。。。。。。。。。。。

Thanks for your response, although it is a 8 years post. All of us have been changed, including you and me !

把你的数据集贴部分出来，帮你写成宏

谢谢你的热心。8年前的老帖子了，问题已解决了，课题已结束，文章都发表过了。以后有问题再请你帮忙。