sphericity | R Documentation |
Given a set of locations, this function approximates the sphericity of the set by calculating the bivariate 95 the set.
sphericity(x, y)
x |
A vector of x coordinates. |
y |
A vector of y coordinates. |
A single numeric value corresponding to the ratio between the minor and major axis of the bivariate 95 close to 1 indicates that the set is approximately circular; a value close to 0 indicates that the set is strongly elongated.
Simon Garnier, garnier@njit.edu
stretch
x <- rnorm(25)
y <- rnorm(25, sd = 3)
sphericity(x, y)
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