20  NAobject

The function NAobject() (v3.7.3, GPL (>= 2)) creates a missing-or-unavailable object, i.e., an R object of S3 class 'NAobject'.

Listing 20.1 summarizes the S3 methods for the class 'NAobject' in the spatstat.* family of packages,

Listing 20.1: S3 methods spatstat.*::*.NAobject

library(spatstat)
.S3methods(class = 'NAobject', all.names = TRUE) |> 
  attr(which = 'info', exact = TRUE) |>
  subset.data.frame(subset = grepl(pattern = '^spatstat\\.', x = from))

                       visible             from       generic  isS4
as.data.frame.NAobject    TRUE    spatstat.geom as.data.frame FALSE
as.im.NAobject            TRUE    spatstat.geom         as.im FALSE
as.owin.NAobject          TRUE    spatstat.geom       as.owin FALSE
as.ppp.NAobject           TRUE    spatstat.geom        as.ppp FALSE
Frame.NAobject            TRUE    spatstat.geom         Frame FALSE
is.marked.NAobject        TRUE    spatstat.geom     is.marked FALSE
is.multitype.NAobject     TRUE    spatstat.geom  is.multitype FALSE
is.poisson.NAobject       TRUE  spatstat.random    is.poisson FALSE
is.stationary.NAobject    TRUE  spatstat.random is.stationary FALSE
marks.NAobject            TRUE    spatstat.geom         marks FALSE
marks<-.NAobject          TRUE    spatstat.geom       marks<- FALSE
nobjects.NAobject         TRUE    spatstat.geom      nobjects FALSE
npoints.NAobject          TRUE    spatstat.geom       npoints FALSE
pcf.NAobject              TRUE spatstat.explore           pcf FALSE
plot.NAobject             TRUE    spatstat.geom          plot FALSE
print.NAobject            TRUE    spatstat.geom         print FALSE
summary.NAobject          TRUE    spatstat.geom       summary FALSE
Window.NAobject           TRUE    spatstat.geom        Window FALSE

Package groupedHyperframe (v0.4.0, GPL-2) does not implement any S3 method to the class 'NAobject'.