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Spatial Point Patterns
book

Spatial Point Patterns

by Adrian Baddeley, Ege Rubak, Rolf Turner
November 2015
Intermediate to advanced content levelIntermediate to advanced
828 pages
33h 11m
English
Chapman and Hall/CRC
Content preview from Spatial Point Patterns
334 Spatial Point Patterns: Methodology and Applications with R
> fitgrad <- update(fitcsr, .
~
grad)
To modif y the right-hand side of the formula, use . on the right-hand sid e, modifying it with the
model operators:
> fitall <- update(fitgrad, .
~
. + elev)
> fitall
Nonstationary Poisson process
Log intensity:
~
grad + elev
Estimate S.E. CI95.lo CI95.hi Ztest Zval
(Intercept) -8.55862 0.341101 -9.22717 -7.89008 *** -25.091
grad 5.84104 0.255861 5.33956 6.34252 *** 22.829
elev 0.02141 0.002288 0.01693 0.02589 *** 9.358
To remove the intercept, use -1 or +0:
> fitp <- update(fitall, .
~
. - 1)
The symbolic manipulation of for mulae involving the symbol . is ...
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Publisher Resources

ISBN: 9781482210217