is.ln3 {lmomco}

Is a Distribution Parameter Object Typed as 3-Parameter Log-Normal

Description

The distribution parameter object returned by functions of lmomco such as by parln3 are typed by an attribute type. This function checks that type is ln3 for the 3-parameter Log-Normal distribution.

Usage

is.ln3(para)

Arguments

para

A parameter list returned from parln3 or vec2par.

Value

TRUE

If the type attribute is ln3.

FALSE

If the type is not ln3.

Author(s)

W.H. Asquith

See Also

parln3

Examples

para <- vec2par(c(.9252, .1636, .7),type='ln3')
if(is.ln3(para)) {
  Q <- qualn3(0.5,para)
}