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 [0,2\pi)
. The phase is the
peak in the sinusoid.
Value
phaser |
Estimated phase in radians. |
Author(s)
Adrian Barnett a.barnett@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 0.3.15 Index]