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ads (version 1.4)

Spatial point patterns analysis

Description

Perform first- and second-order multi-scale analyses derived from Ripley K-function, for univariate, multivariate and marked mapped data in rectangular, circular or irregular shaped sampling windows, with tests of statistical significance based on Monte Carlo simulations.

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Version

Install

install.packages('ads')

Monthly Downloads

570

Version

1.4

License

GPL-2

Maintainer

Raphael Pelissier

Last Published

January 7th, 2014

Functions in ads (1.4)

Couepia

Spatial pattern of Couepia caryophylloides in Paracou, a canopy tree species of French Guiana.
ads-internal

Internal ads functions
Paracou15

Tree spatial pattern in control plot 15, Paracou experimental station, French Guiana
k12fun

Multiscale second-order neigbourhood analysis of a bivariate spatial point pattern
dval

Multiscale local density of a spatial point pattern
swin

Creating a sampling window
ksfun

Multiscale second-order neigbourhood analysis of a multivariate spatial point pattern using Simpson diversity
k12val

Multiscale local second-order neighbour density of a bivariate spatial point pattern
mimetic

Univariate point pattern simulation by mimetic point process
kmfun

Multiscale second-order neigbourhood analysis of a marked spatial point pattern
inside.swin

Test wether points are inside a sampling window
spp

Creating a spatial point pattern
kfun

Multiscale second-order neigbourhood analysis of an univariate spatial point pattern
plot.spp

Plot a Spatial Point Pattern object
kpqfun

Multiscale second-order neigbourhood analysis of a multivariate spatial point pattern
BPoirier

Tree spatial pattern in Beau Poirier plot, Haye forest, France
krfun

Multiscale second-order neigbourhood analysis of a multivariate spatial point pattern using Rao quandratic entropy
kval

Multiscale local second-order neighbour density of a spatial point pattern
area.swin

Area of a sampling window
plot.vads

Plot local density values
triangulate

Triangulate polygon
plot.fads

Plot second-order neigbourhood functions
kp.fun

Multiscale second-order neigbourhood analysis of a multivariate spatial point pattern
Allogny

Spatial pattern of oaks suffering from frost shake in Allogny, France.