spatstat.core (version 2.3-0)

circdensity: Density Estimation for Circular Data

Description

Computes a kernel smoothed estimate of the probability density for angular data.

Usage

circdensity(x, sigma = "nrd0", …,
               bw = NULL,
               weights=NULL, unit = c("degree", "radian"))

Arguments

x

Numeric vector, containing angular data.

sigma

Smoothing bandwidth, or bandwidth selection rule, passed to density.default.

bw

Alternative to sigma for consistency with other functions.

…

Additional arguments passed to density.default, such as kernel and weights.

weights

Optional numeric vector of weights for the data in x.

unit

The unit of angle in which x is expressed.

Value

An object of class "density" (produced by density.default) which can be plotted by plot or by rose.

Details

The angular values x are smoothed using (by default) the wrapped Gaussian kernel with standard deviation sigma.

See Also

density.default), rose.

Examples

# NOT RUN {
  ang <- runif(1000, max=360)
  rose(circdensity(ang, 12))
# }