英文:
Creating one variable from three, SPSS
问题
能否有人善意地帮助解决SPSS语法的问题。我遇到了错误，但不明白为什么。
我有3个变量：
Var1（取值为1和2）
Var2（取值为1和2）
Var3（取值为1、2和3）
我想基于这三个变量创建一个新变量，其中每个变量上的值为1（var1=1 AND VAR2 = 1 AND Var3 = 1）编码为1，所有其他组合编码为2。
我已经编写了以下代码，但遇到错误，无法理解原因。
DO IF (Var1 = 1 AND Var2 = 1 AND Var3 = 1) COMPUTE ADL_independence_before_stroke = 1.
IF ELSE COMPUTE ADL_independence_before_stroke = 2.
END IF.
EXECUTE.
谢谢。
英文:
Cam someone be kind and help with SPSS syntax. I get error and do not understand why.
I have 3 variables:
Var1 (values 1 and 2)
Var2 (values 1 and 2)
Var3 (values 1, 2, and 3)
I want to create one variable based on these three, where values 1 on each variable ((var1=1 AND VAR2 = 1 AND Var3 = 1) is coded as 1, and all other combinations are coded as 2.
I have written this code but get error, can not understand why.
DO IF (Var1 = 1 AND Var2 = 1 AND Var3 = 1) COMPUTE ADL_independence_before_stroke = 1.
IF ELSE COMPUTE ADL_independence_before_stroke = 2.
END IF.
EXECUTE.
Thanks.
答案1
得分: 1
你已经接近成功，但需要更正你的语法：
如果 (Var1 = 1 且 Var2 = 1 且 Var3 = 1) 则
计算 ADL_independence_before_stroke = 1
否则
计算 ADL_independence_before_stroke = 2
结束如果
执行
以下是缩写版本：
计算 ADL_independence_before_stroke = 2 - (Var1 = 1 且 Var2 = 1 且 Var3 = 1)
英文:
You're nearly there but need to correct your syntax:
DO IF (Var1 = 1 AND Var2 = 1 AND Var3 = 1).
COMPUTE ADL_independence_before_stroke = 1.
ELSE.
COMPUTE ADL_independence_before_stroke = 2.
END IF.
EXECUTE.
And here's a shortened version:
compute ADL_independence_before_stroke = 2- (Var1 = 1 AND Var2 = 1 AND Var3 = 1).
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