dcard {CircStats}

Cardioid Density Function

Description

Returns the cardoid density function evaluated at a particular value.

Usage

dcard(theta, mu, r)

Arguments

theta

vector of angles measured in radians at which to evaluate the density function.

mu

mean direction of the distribution.

r

concentration parameter of the distribution. Absolute value of r must be less than 0.5.

Value

Returns the cardoid density function evaluated at theta.

References

Jammalamadaka, S. Rao and SenGupta, A. (2001). Topics in Circular Statistics, Section 2.2.2, World Scientific Press, Singapore.

See Also

rcard