Var names in expresions

[Kolodziejczyk, Piotr]

Hi!
I've some variables in format: a1_1, a1_2, a1_3, a1_4.... And they are
binary type (0-no, 1-yes).
I'd like to create new variable whith name: "a1",  stirng type, and
values as:
"1;2;3"
"1;3"
"2;4;5"
 indicated whether a1_1, a1_2,a1_3 (in the first case)  are
simultaneously selected, in second case: a1_1, a1_3  and so on...

I've several sets of these variables, so how to recall and make some
modifications on variable names operating with vectors or some other
way...?

I need sth like:
Vector v=a1_1 to a1_10.
Loop #i=1 to 10.
If (v(#i)=1)  some_var=LastCharacterOf(v).

Only Python?

Regards,
Piotr

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[Spousta Jan]

Hi Piotr,
Try this:

string a1 (a50).
do repe x = a1_1 to a1_4 / n = 1 to 4.
- do if (x > 0).
-   if length(rtrim(a1)) > 0 a1 = concat(rtrim(a1),";").
-   compute a1 = concat(rtrim(a1),string(n,f1)).
- end if.
end repe.
exe.

Best,

Jan


-----Original Message-----
From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of Kolodziejczyk, Piotr
Sent: Wednesday, November 07, 2007 3:00 PM
To: [hidden email]
Subject: Var names in expresions

Hi!
I've some variables in format: a1_1, a1_2, a1_3, a1_4.... And they are binary type (0-no, 1-yes).
I'd like to create new variable whith name: "a1",  stirng type, and values as:
"1;2;3"
"1;3"
"2;4;5"
 indicated whether a1_1, a1_2,a1_3 (in the first case)  are simultaneously selected, in second case: a1_1, a1_3  and so on...

I've several sets of these variables, so how to recall and make some modifications on variable names operating with vectors or some other way...?

I need sth like:
Vector v=a1_1 to a1_10.
Loop #i=1 to 10.
If (v(#i)=1)  some_var=LastCharacterOf(v).

Only Python?

Regards,
Piotr

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