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# S3 method for fmx
coef(object, internal = FALSE, ...)Function coef.fmx returns a numeric
fmx object
logical scalar, either for the user-friendly parameters (FALSE, default)
(e.g., mean,sd for normal mixture, and A,B,g,h for Tukey \(g\)-and-\(h\) mixture), or
for the internal/unconstrained parameters (TRUE).
place holder for S3 naming convention
Function coef.fmx returns the estimates of the user-friendly parameters (parm = 'user'),
or the internal/unconstrained parameters (parm = 'internal').
When the distribution has constraints on one or more parameters,
function coef.fmx does not return the estimates (which is constant 0) of the constrained parameters.