# Re: st: Create a new variable based on some other variables

 From "Martin Weiss" To Subject Re: st: Create a new variable based on some other variables Date Wed, 20 May 2009 21:11:40 +0200

```<>

*****
clear*
set obs 100

local a 1
local b 8

forv i=1/3{
gen A`i'=`a'+/*
*/int((`b'-`a'+1)*runiform())
}

compress
```
list, noobs
```gen B=(A1==1)*1
replace B=(A2==3)*2
replace B=(A3==8)*3
*****

HTH
```
Martin _______________________ ----- Original Message ----- From: "Eric A. Booth" <ebooth@ppri.tamu.edu>
```To: <statalist@hsphsun2.harvard.edu>
Sent: Wednesday, May 20, 2009 9:00 PM
Subject: Re: st: Create a new variable based on some other variables

```
```gen b =.
replace b=1 if a1==1
replace b=2 if a2==3
replace b=3 if a3==8

On May 20, 2009, at 1:56 PM, Charles Man@CCR wrote:

```
```Dear Statalisters,

```
If I want to create a new variable based on the values of a few other variables, how can I do that?
```
For instance,

Create B
If A1=1, then B=1
If A2=3, then B=2
If A3=8, then B=3

Can -gen- or -egen- or -recode- do this job?

Thanks,
Charles
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```
```
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```
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```