Conditional variation index

Computes a simple squared variation summary for a matrix of conditional densities across conditioning-grid rows.

Usage

conditional_variation_index(density_matrix)

Arguments

density_matrix

Matrix with rows representing conditioning-grid values and columns representing conditional density values.

Value

A non-negative numeric scalar.

See also

Other directional dependence indicators: alignment_index(), local_circ_moment()

Examples

dat <- simulate_toroidal(n = 80, seed = 1)
est <- estimate_toroidal_density(dat$theta, dat$phi, n_theta = 12, n_phi = 12, conditional = TRUE)
conditional_variation_index(est$density)
#> [1] 0.8478339