phasecalc {season}R Documentation

Phase from cosinor estimates

Description

Calculate the phase given the estimated sine and cosine values from a cosinor model.

Usage

phasecalc(cosine,sine)

Arguments

cosine estimated cosine value from a cosinor model.
sine estimated sine value from a cosinor model.

Details

Returns the phase in radians, in the range [0,2π). The phase is the peak in the sinusoid.

Value

phaser Estimated phase in radians.

Author(s)

Adrian Barnett a.barnett<at>qut.edu.au

References

Fisher, N.I. (1993) Statistical Analysis of Circular Data. Cambridge University Press, Cambridge. Page 31.

Examples

phasecalc(cosine=0,sine=1) # pi/2

[Package season version 0.2-3 Index]