VGAM (version 1.1-5)

meangait: Mean of the GAIT Combo Density

Description

Returns the mean of a 1- or 2-parameter GAIT combo probability mass function.

Usage

meangait(theta.p, fam = c("pois", "log", "zeta"),
    alt.mix = NULL, inf.mix = NULL,
    alt.mlm = NULL, inf.mlm = NULL, truncate = NULL,
    max.support = Inf, pobs.mix = 0, pobs.mlm = 0,
    pstr.mix = 0, pstr.mlm = 0, byrow.ai = FALSE,
    theta.a = theta.p, theta.i = theta.p, deflation = FALSE, ...)

Arguments

theta.p

Same as dgaitplot; usually of length 1 but may be of length 2.

fam

Same as dgaitplot. The default is the first one. All other choices are listed in that vector.

alt.mix, inf.mix, alt.mlm, inf.mlm

Same as dgaitplot.

truncate, max.support

Same as dgaitplot.

pobs.mix, pobs.mlm, pstr.mix, pstr.mlm, byrow.ai

Same as dgaitplot.

theta.a, theta.i, deflation

Same as dgaitplot.

…

Currently unused.

Value

The mean.

Details

This function returns the mean of the PMF of the GAIT combo model. Many of its arguments are the same as dgaitplot. More functionality may be added in the future, such as returning the variance.

See Also

dgaitplot, Gaitpois, gaitpoisson.

Examples

# NOT RUN {
i.mix <- seq(0, 15, by = 5)
lambda.p <- 10
meangait(lambda.p, alt.mix = i.mix + 1, inf.mix = i.mix,
         max.support = 17, pobs.mix = 0.1, pstr.mix = 0.1)
# }