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st: spatwmat on Stata/SE 9.1


From   Yoshiro Nagao <dengue_aedes@yahoo.co.jp>
To   statalist@hsphsun2.harvard.edu
Subject   st: spatwmat on Stata/SE 9.1
Date   Mon, 7 Aug 2006 10:07:33 +0900 (JST)

Dear all,

I tried to run "spatwmat" command with
Stata/SE 9.1, which was subsequently rejected
by the following error:

**************************************************
. spatwmat,name(W) xcoord(longitude) ycoord(latitude)
band(0 10000) binary eigenval(E)
obs must be between 859 and 174761
r(198);

. which spatwmat
c:\ado\plus\s\spatwmat.ado
*! -spatwmat- Generates different kinds of spatial weights
matrices
*! Version 1.1 - 30 August 2003
*! Version 1.0 - 29 January 2001 STB-60 sg162
.....
                                                      
. summarize longitude latitude

    Variable |       Obs        Mean    Std. Dev.      
Min        Max
-------------+--------------------------------------------------------
   longitude |       859    750332.2    194484.9  
369304.2    1197873
    latitude |       859     1604766      390855  
645344.8    2252090
**************************************************

As in the result of "summarize",
the dataset contains 859 records.

The author says spatwmat successfully ran
on his computer. Therefore, this
problem might be due to incompatibility
between settings of Stata.

Have anybody experienced this problem?

Yoshiro Nagao
Osaka University Graduate School of Medicine
nagaoy@anes.med.osaka-u.ac.jp


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