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# Re: st: Calculate individual distance from other group members

 From Kartika Sari To statalist@hsphsun2.harvard.edu Subject Re: st: Calculate individual distance from other group members Date Tue, 23 Feb 2010 22:28:05 +0100

```Yes, the assert stop the calculation.
I tried not to use assert to see what will happen, and try several
combination, but off course, it didn't work.

so the variables I have:

for each individual: GroupID MemberID (1 to 7) WardID (1 to 74) Ward_1
Ward_2 etc Ward_74 that shows distance from ward where the person live to
other 73 wards (0 for the ward he live in).

But, sometimes member of group are only 2 or 3.

Any suggestions?

Kartika

2010/2/23 Martin Weiss <martin.weiss1@gmx.de>

>
> <>
>
> " and for the Group, it is not uniform at 5, it is from 1 to
> 7."
>
>
> Are the ids within the wards contiguous, i.e. 1,2,3,4? If not, the -assert-
> line in Austin`s code will stop Stata.
>
>
>
>
>
> HTH
> Martin
>
>
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Kartika Sari
> Sent: Dienstag, 23. Februar 2010 21:46
> To: statalist@hsphsun2.harvard.edu
> Subject: Re: st: Calculate individual distance from other group members
>
> Austin,
> Thanks for your reply. Yes, i would like to have something like that.
>
> But, its turn out the actual data is more complicated than the hypothetical
> I have 74 wards. and for the Group, it is not uniform at 5, it is from 1 to
> 7.
>
> So?
>
> Best regards,
> Kartika
>
>
> 2010/2/23 Austin Nichols <austinnichols@gmail.com>
>
> > Kartika Sari <kartika.sj@gmail.com>:
> > Like so?
> >
> > clear all
> > input gid id ward d1 d2 d3 d4 d5
> > 1 1 3 10 4 0 9 7
> > 1 2 1 0 6 10 8 5
> > 1 3 2 6 0 4 11 3
> > 1 4 1 0 6 10 8 5
> > 1 5 2 6 0 4 11 3
> > end
> > forv i=1/5 {
> > bys gid (id): assert id[`i']==`i'
> > bys gid (id): g i`i'=d`=ward[`i']'
> > }
> > l, noo
> >
> > On Tue, Feb 23, 2010 at 11:22 AM, Kartika Sari <kartika.sj@gmail.com>
> > wrote:
> > > Dear All,
> > >
> > > In my data, I have  a distance matrix of  wards for each individual. I
> > also
> > > know in which ward they live. The problem is i want to calculate ward
> > > distance from each individual to each of other members in a group. Say
> > there
> > > are 5 people in a group, so I need to calculate distance for 4 others
> for
> > > each person. I am wondering whether there is any syntax for this.
> > >
> > > The structure of data is something like this:
> > >
> > > group_id individual_id ward dtoward1 dtoward2 dtoward3 dtoward4
> dtoward5
> > > distance1? distance2? distance3? distance4?
> > > 1 1 3 10 4 0 9 7
> > > 1 2 1 0 6 10 8 5
> > > 1 3 2 6 0 4 11 3
> > > 1 4 1 0 6 10 8 5
> > > 1 5 2 6 0 4 11 3
> > >
> > > Thank you very much in advanced.
> > >
> > > Best regards,
> > > Kartika
> > >
> >
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