summary.SUNdistr: Summary of a SUN distribution object

In sn: The Skew-Normal and Related Distributions Such as the Skew-t and the SUN

Summary of a SUN distribution object

Description

Produce a summary of an object of class "SUNdistr"

Usage

## S4 method for signature 'SUNdistr'
summary(object, ...)

Arguments

object	an object of class "SUNdistr".
...	optional arguments passed to mom.mtruncnorm for the regulation of its working.qq

Value

An S4-object with the following slots:

dp	the parameters of the distrbution, a list
name	the name of the distribution, a character string
compNames	the names of the components, a character vector
HcompNames	the names of the hidden components, a character vector
mean	the mean value, a vector
var.cov	the variance-covariance matrix
gamma1	the marginal indices of asymmetry, a vector
cum3	the third order cumulants, a three-dimensional array
mardia	the Mardia's measures of multivariate asymmetry and skewness, a vector of length two

Author(s)

Adelchi Azzalini

References

Arellano-Valle, R. B. and Azzalini, A. (2021). Some properties of the unified skew-normal distribution. Statistical Papers, \Sexpr[results=rd]{tools:::Rd_expr_doi("https://doi.org/10.1007/s00362-021-01235-2")} and arXiv:2011.06316

Azzalini, A. with the collaboration of Capitanio, A. (2014). The Skew-Normal and Related Families. Cambridge University Press, IMS Monographs series.

See Also

makeSUNdistr for building a SUN distribution object

methods mean and vcov for computing the mean vector and the variance matrix of SUNdistr-class objects

Examples

Omega <- matrix(c(5, 1, 1, 6), 2, 2)
Delta <- matrix(c(0.30, 0.50, 0.50, 0.85), 2, 2, byrow=TRUE)
Gamma <- matrix(c(1, 0.18, 0.18, 1), 2, 2)
tau <- c(0.4, -0.8)
dp2 <- list(x=c(1, 0), Omega=Omega, Delta=Delta, tau=tau, Gamma=Gamma)
sun2 <-  makeSUNdistr(dp=dp2, name="SUN2", compNames=c("u", "v"))
s <- summary(sun2)

sn documentation built on April 5, 2023, 5:15 p.m.