loglk_miss {gmmsslm} | R Documentation |
Log likelihood function formed on the basis of the missing-label indicator
Description
Log likelihood for partially classified data based on the missing mechanism with the Shanon entropy
Usage
loglk_miss(dat, zm, pi, mu, sigma, xi)
Arguments
dat |
An |
zm |
An n-dimensional vector containing the class labels including the missing-label denoted as NA. |
pi |
A g-dimensional vector for the initial values of the mixing proportions. |
mu |
A |
sigma |
A |
xi |
A 2-dimensional vector containing the initial values of the coefficients in the logistic function of the Shannon entropy. |
Details
The log-likelihood function formed on the basis of the missing-label indicator can be expressed by
where is a logistic function of the Shannon entropy
,
and
is a missing label indicator.
Value
lk |
loglikelihood value |