Convenience Wrapper for Marginal Moments

Returns marginal mean and variance as a named numeric vector.

Usage

K_moments(J, a, b, M = .QUAD_NODES_DEFAULT)

Arguments

J

Integer; sample size (positive integer >= 1).

a

Numeric; shape parameter of Gamma prior (> 0).

b

Numeric; rate parameter of Gamma prior (> 0).

M

Integer; number of quadrature nodes (default: 80).

Value

Named numeric vector c(mean = ..., var = ...).

See also

exact_K_moments for full output

Other marginal_K: cdf_K_marginal(), exact_K_moments(), mode_K_marginal(), pmf_K_marginal(), quantile_K_marginal(), summary_K_marginal()

Examples

K_moments(50, 2.0, 1.0)
#>      mean       var 
#>  6.639693 12.954502