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help: spweightcs                                                        dialog:
>  spweightcs
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        +-------+
    ----+ Title +------------------------------------------------------------

 spweightcs: Cross Section Spatial Weight Matrix

        +--------+
    ----+ Syntax +-----------------------------------------------------------

 spweightcs varlist , panel(numlist) matrix(weight_name) notabel

        +-------------+
    ----+ Description +------------------------------------------------------

  spweightcs creates or generates cross section spatial weight matrix among
  neighbor locations, for using in spatial regression analysis.

  Raw data for neighbor locations must be put as shown in the sample data
  file (spweightcs.dta).

        +---------+
    ----+ Options +----------------------------------------------------------

   panel      Number of all locations units

   matrix     Specify name of spatial weight matrix, that will be created

   table      Display Cross Section Spatial Weight Matrix Table

        +---------------+
    ----+ Saved Results +----------------------------------------------------

  spweightcs saves the following results in e():

Matrixes
   e(wcs)     Cross Section Spatial Weight Matrix.{p_end}

        +---------+
    ----+ Example +----------------------------------------------------------

        clear all

        sysuse spweightcs.dta, clear

        spweightcs v1 v2 , panel(7) matrix(W)

        spweightcs v1 v2 , panel(7) matrix(W) table

        ereturn list

        db spweightcs

  The final shape of cross section spatial weight matrix will be as follows:.

  -------------------------------------
  | # |   1   2   3   4   5   6   7   |
  |-----------------------------------|
  | 1 |   0   1   0   0   1   1   0   |
  | 2 |   1   0   1   0   0   1   1   |
  | 3 |   0   1   0   1   0   0   1   |
  | 4 |   0   0   1   0   0   0   0   |
  | 5 |   1   0   0   0   0   1   0   |
  | 6 |   1   1   0   0   1   0   1   |
  | 7 |   0   1   1   0   0   1   0   |
  -------------------------------------

  After creating spatial weight matrix, you can use spautoreg (if installed)
  to generate eigenvalues vector and standardized weight matrix.

        +--------+
    ----+ Author +-----------------------------------------------------------

  Emad Abd Elmessih Shehata
  Assistant Professor
  Agricultural Research Center - Agricultural Economics Research Institute - Eg
> ypt
  Email:   emadstat@hotmail.com
  WebPage:                http://emadstat.110mb.com/stata.htm
  WebPage at IDEAS:       http://ideas.repec.org/f/psh494.html
  WebPage at EconPapers:  http://econpapers.repec.org/RAS/psh494.htm

        +---------------------+
    ----+ spweightcs Citation +----------------------------------------------

    Shehata, Emad Abd Elmessih (2011)
    SPWEIGHTCS: "Stata Module to Create Cross Section Spatial Weight Matrix"

        http://ideas.repec.org/c/boc/bocode/s457325.html

        http://econpapers.repec.org/software/bocbocode/s457325.htm

Online Help:

    spregcs, spregxt, spautoreg, spweight, gs3sls, gs2slsxt, spmstar, 
            spweightcs, spweightxt, spcs2xt (if installed).