Description Usage Arguments Details Value References See Also
This is the main function to compute the negative 2 x log likelihood function of parameters given data.
This function is not intended to be called directly by users, but can be useful to test user-specified mixture distributions passed to mix.mle
.
1 | mix.loglik(.pars, .input, .distlist, do.sum = TRUE)
|
.pars |
A list of the following 5 parameters:
|
.input |
Vector of (numeric) trait observations. |
.distlist |
List of 2 distribution density functions. The first is the lower or leftmost distribution; the second is the upper or rightmost. |
do.sum |
By default, return sum of likelihoods. Set to |
Computes maximum likelihood function for either the normal mixture distribution or the facing gamma distribution model for a dimorphic trait.
Numeric: the negative 2 x log likelihood of trait measurement.
Rowland JM, Qualls CR. 2005. Likelihood models for discriminating alternative phenotypes in morphologically dimorphic species.
Evolutionary Ecology Research 7: 421-434.
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