rings or the slot boundary.R/is.prevR.r
is.prevR.RdTest if an object is of class prevR.
This function test if the class of an object is prevR.
It could be used to test the slot rings or the slot boundary.
is.prevR(object, slot = NULL)object to test.
"clusters", "rings","boundary" or "proj".
TRUE or FALSE
Slots rings and boundary are always present in an object of
class prevR, but rings could be NULL and
boundary a sf::sf object with an attribute named valid
with the value FALSE (when boundaries of the studied
area have not been specified explicitly).
If rings is NULL, is.prevR(object,"rings") will return FALSE.
If boundary has an attribute valid equal to FALSE,
is.prevR(object,"boundary") will return FALSE.
col <- c(
id = "cluster",
x = "x",
y = "y",
n = "n",
pos = "pos",
c.type = "residence",
wn = "weighted.n",
wpos = "weighted.pos"
)
dhs <- as.prevR(fdhs.clusters, col, fdhs.boundary)
is.prevR(dhs)
#> [1] TRUE
is.prevR(dhs, "rings")
#> rings
#> FALSE
is.prevR(dhs, "boundary")
#> boundary
#> TRUE
dhs <- rings(dhs, N = 300)
#> Progress of calculations:
#>
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is.prevR(dhs, "rings")
#> rings
#> TRUE