det_thresholdfromarea_rest: Determination of alpha and the threshold c which results in a...
In highriskzone: Determining and Evaluating High-Risk Zones

det_thresholdfromarea_rest

R Documentation

Determination of alpha and the threshold c which results in a high-risk zone with desired area if a hole is present.

This function is used for the intensity-based method. Used in function det_hrz_restr.

det_thresholdfromarea_rest(
  intens,
  areahrz,
  win,
  nxprob = 0.1,
  hole = hole,
  integratehole = TRUE
)

`intens`	estimated intensity of the observed process (object of class "im", see `density.ppp`)
`areahrz`	area of the high-risk zone
`win`	observation window
`nxprob`	probability of having unbserved events
`hole`	an object of class `owin` representing a region inside the observation window of the `ppdata` where no observations were possible.
`integratehole`	Should the `hole` be part of the resulting high-risk zone? Defaults to `TRUE`.

A list of

`threshold`	Value of the threshold c. The high-risk zone is the field in which the estimated intensity exceeds this value
`calccutoff`	failure probability alpha for given area; probability to have at least unobserved event outside the high-risk zone