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