update.kppm
From spatstat v1.30-0
by Adrian Baddeley
Update a Fitted Cluster Point Process Model
update
method for class "kppm"
.
Usage
## S3 method for class 'kppm':
update(object, trend = ~1, ..., clusters = NULL)
Arguments
Details
object
should be a fitted cluster point process model,
obtained from the model-fitting function kppm
.
The model will be updated according to the new arguments provided.
The argument trend
determines the formula for the intensity
in the model. It should be an Rformula without a left hand side.
It may include the symbols .
and +
or -
to
specify addition or deletion of terms in the current model formula,
as shown in the Examples below.
The model is refitted using kppm
.
Value
- Another fitted cluster point process model (object of
class
"kppm"
.
See Also
kppm
, plot.kppm
,
predict.kppm
, simulate.kppm
,
methods.kppm
,
vcov.kppm
Examples
data(redwood)
fit <- kppm(redwood, ~1, "Thomas")
fitx <- update(fit, ~ . + x)
fitM <- update(fit, clusters="MatClust")
Community examples
Looks like there are no examples yet.