Re: st: Creating a new numerical variable without mathematical operations

["liu nizi" <liunizibnu@hotmail.com>]

Firstly,you can translate these two variables into string variables by 
command tostring.
Secondly, you combine these two string variable just by gen 
newcity=province_str+city_str
Thirdly, translate newcity into numrical variable by command destring
It does work,you can try it



> From: "Ramani Gunatilaka" <ramani.gunatilaka@gmail.com>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Creating a new numerical variable without mathematical 
operations
> Date: Sat, 21 Oct 2006 15:34:22 +0100
>
> Hi Fredrick and Jeph,
> Thanks for your suggestions. My problem is that the city variable 
> does
> not always have four digits. Sometimes it is two, at other times, it
> is three.
> Thanks anyway.
> Best,
> Ramani
>
> On 21/10/06, Frederick J. Boehmke <boehmke@umich.edu> wrote:
>
> > If I understand the range of the two variables properly, perhaps:
> >
> > gen newcity = 10000*province + city
> >
> > will work?
> >
> > On Sat, 21 Oct 2006, Ramani Gunatilaka wrote:
> >
> > > Date: Sat, 21 Oct 2006 14:47:09 +0100
> > > From: Ramani Gunatilaka <ramani.gunatilaka@gmail.com>
> > > Reply-To: statalist@hsphsun2.harvard.edu
> > > To: statalist@hsphsun2.harvard.edu
> > > Subject: st: Creating a new numerical variable without 
> > mathematical operations
> > >
> > > Dear all,
> > > I have two numerical variables, province and city: province has 
> > two
> > > digits, city has at least 4.
> > > eg. province= 11, city=  6227
> > > I want to create a new numerical variable called 'newcity' which 
> > will
> > > combine province and city like this:
> > > 116227
> > > This is because I have to combine this data set with another, 
> > and the
> > > unique identifying variable in the second data set has been
> > > constructed in this way.
> > > Can someone please tell me what command I may use?
> > > Thanks so much,
> > > Ramani
> > > *
> > >
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