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RE: st: simple question: generating variables using the if / or command
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From |
"Gauri Khanna" <[email protected]> |
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To |
[email protected] |
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Subject |
RE: st: simple question: generating variables using the if / or command |
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Date |
Thu, 27 Apr 2006 16:26:24 +0000 |
Thank you Nick and Scott,
In fact I had previously used this command but it was not working. I kept
getting an error and was wondering if I was doing something wrong. It works
now. I just copied Scott's syntax!
Regards,
Gauri
From: "Nick Cox" <[email protected]>
Reply-To: [email protected]
To: <[email protected]>
Subject: RE: st: simple question: generating variables using the if / or
command
Date: Thu, 27 Apr 2006 15:18:21 +0100
Typing
help operators
gives all you need to know on this (and you
really need to know all of it, too).
Nick
[email protected]
Scott Cunningham replied to Gauri Khanna [edited]
> > 1) I would like to generate a new variable :
> >
> > generate newvariable=var1+var2+var3 if dum1=1 and or dum2=1 and or
> > dum3=1
>
> gen newvariable=(var1+var2+var3) if dum1==1 | dum2==1 | dum3==1
>
> > 2) If instead I did the following....
> >
> > generate newvariable=var1+var2+var3 if dum1=1 & dum2=1 & dum3=1
> >
> > .... I would only capture values for var1, var2 and var3 if
> ALL the
> > three dummies simultaneously are 1. is this correct? If so I do
> > not want this.
> You want newvariable to equal the sum of three variables if any of
> the dummy variables = 1, but it looks like you are requiring it to
> equal 1 if all of the dummies equal 1. In other words, you
> are using
> the ampersand (&) when you should be using the (|) (see above).
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