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4643
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rep(1000) kdensity seed(123)
sg162Tools for spatial data analysis
drop(numlist), if used with optionusingfilename, specifies the cases (rows) and variables (columns) to be dropped before
savegraph(filename[, replace])requests that the graph be saved infilename.Iffilenameexists, an error will occur unless
model(error)requests that the spatial error model be estimated.
symmetric W
 Exact

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Finally,spatwmatcan be used to generate the eigenvalues matrix required byspatreg:
where variableYcan take only positive values, andwijdenotes the elements of a nonstandardized symmetric binary weights
Using spatcorr
Using spatlsa
190.024 0.125 2.289 0.044 0.482
380.181 0.122 0.022 2.625 0.004
387.290 0.104 2.11 3 3.498 0.000
wheredenotes the spatial aut
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42885
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Illustrating difference of two means, selecting number of clusters
Description
. egen q = rprod(ac) in 8/11
The sequence of operations ismax(),words,format(),sep().
In this toy example, it would have been no more work to do it the direct way
gr46Display a graph of nonlinear effects
Expected ChiSquared d.f. = 1
W
 Exact

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(01]0.416 0.021 0.062 7.105 0.000
SourceSS df MS Number of obs = 400
Moran scatterplot (Moran’s I = 0.511)Residential burglaries & vehicle thefts per 1,000 households
a circle, locations belonging to quadrant 2 (lowlow spatial association) are represented by a square, locations belonging to
Total13438.2195 48 279.962907 Ro
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