coverageprob | R Documentation |
Computes the proportion of the observation window that is foreground, which is the usual estimate for the coverage probability of a stationary RACS from a binary map.
coverageprob(xi, obswin = NULL) coveragefrac(xi, obswin = NULL) cp(xi, obswin = NULL)
xi |
An observation of a RACS of interest as a full binary map (as an |
obswin |
The window of observation (not necessarily rectangular) also as an |
The coverage probability of a stationary RACS is the probability that an arbitrary point is covered by the RACS.
Given a binary map, xi
, of a realisation of stationary RACS Ξ in a window W,
this function computes the fraction of W covered by foreground,
which is an estimate of the coverage probability.
See (Chiu et al., 2013, Section 6.4.2) for more details.
If xi
is an im
object then xi
must be an image of 1s, 0s and NAs
representing inside the set, outside the set and outside the observation window respectively.
coverageprob
will not accept a obswin
argument if xi
is an im
object.
An estimate of the coverage probability
Kassel Liam Hingee
Chiu, S.N., Stoyan, D., Kendall, W.S. and Mecke, J. (2013) Stochastic Geometry and Its Applications, 3rd ed. Chichester, United Kingdom: John Wiley & Sons.
xi <- heather$coarse obswindow <- Frame(heather$coarse) cp <- coverageprob(xi, obswindow)
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