angular.deviation {circular} | R Documentation |
A measure of deviation for Circular Data
Description
Returns the square root of twice one minus the mean resultant length divided by the sample size of a vector of circular data.
Usage
angular.deviation(x, na.rm = FALSE)
Arguments
x |
a vector. The object is coerced to class
|
na.rm |
logical, indicating if |
Value
Returns the square root of twice one minus the mean resultant length divided by the sample size.
Author(s)
Claudio Agostinelli
References
Batschelet, E. (1981) Circular Statistics in Biology. Academic Press, London.
Jammalamadaka, S. Rao and SenGupta, A. (2001). Topics in Circular Statistics, Section 1.3, World Scientific Press, Singapore.
Zar, J.H. (2010) Biostatistical Analysis. Fifth edition. Pearson Educational International.
See Also
sd.circular
, angular.variance
, mean.circular
, rho.circular
and summary.circular
.
Examples
x <- rvonmises(n=100, mu=circular(0), kappa=1)
angular.deviation(x)
[Package circular version 0.5-0 Index]