Description Usage Arguments Value Author(s) References See Also Examples
Computes the specified order trigonometric moment for a set of directional data points.
1 | trigonometric.moment(x, p = 1, center = FALSE, control.circular = list())
|
x |
a vector of class |
p |
order of trigonometric moment to be computed. Default is for a first order trigonometric moment. |
center |
logical, whether to compute centered moments or not. Default is to compute an uncentered moment. |
control.circular |
the attribute of the resulting object |
Returns a list with variables mu, rho, cos, sin, p, n, call, respectively the pth trigonometric moment's direction, resultant length, real and imaginary components, the order, the number of observations and the call.
Claudio Agostinelli and Ulric Lund
Jammalamadaka, S. Rao and SenGupta, A. (2001). Topics in Circular Statistics, Section 1.3, World Scientific Press, Singapore.
var.circular
, mean.circular
,
summary.circular
, mle.vonmises
and rho.circular
1 2 | x <- rvonmises(100, circular(0), 5)
trigonometric.moment(x, control.circular=list(units="degrees"))
|
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