Sample median direction for a vector of circular data
a vector. The object is coerced to class
logical, indicating if
The Definition in equations 2.32 & 2.33 from N.I. Fisher's 'Statistical Analysis of Circular Data', Cambridge Univ. Press 1993. is implemented.
Since version 0.4-4, the algorithm (not the definition) for the
calculation of the median is changed. For a measure of spread associated to the circular median use function
A scalar with the circular median value.
The median is returned as an object of class
Claudio Agostinelli and Alessandro Gagliardi
N.I. Fisher (1993) Statistical Analysis of Circular Data, Cambridge University Press.
R.Y. Liu and K. Singh (1992) Ordering Directional Data: Concepts of Data Depth on Circles and Spheres, The Annals of Statistics, vol. 20, n. 3, 1468-1484.
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