Description Usage Arguments Details Value Author(s) References See Also Examples
kdest
determines the difference in estimated K
functions for a set of cases and controls. Tolerance
envelopes can also be produced.
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x |
A |
case |
The position of the name of the "case" group
in |
nsim |
An non-negative integer. Default is 0. The
difference in estimated K functions will be calculated
for |
level |
Level of tolerance envelopes.
Ignored if |
r |
Optional. Vector of values for the argument r at which K(r)
should be evaluated. Users are advised not to specify this
argument; there is a sensible default. If necessary, specify |
rmax |
Optional. Maximum desired value of the argument r. |
breaks |
This argument is for internal use only. |
correction |
Optional. A character vector containing any selection of the
options |
nlarge |
Optional. Efficiency threshold.
If the number of points exceeds |
domain |
Optional. Calculations will be restricted
to this subset of the window. See Details of
|
var.approx |
Logical. If |
ratio |
Logical.
If |
This function relies internally on the
Kest
and
eval.fv
functions from the
spatstat
package. The arguments are essentially
the same as the Kest
function,
and the user is referred there for more details about
the various arguments.
Returns a kdenv
object. See documentation
for spatstat::Kest
.
Joshua French
Waller, L.A. and Gotway, C.A. (2005). Applied Spatial Statistics for Public Health Data. Hoboken, NJ: Wiley.
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