Description Usage Arguments Details Value Author(s) References See Also Examples
One EM step only for model-based clustering of finite mixture Gaussian
models with unstructured dispersions.
This is a core function of em.step
.
1 |
PARAM |
an original set of parameters generated
by |
A global variable called X.spmd
should exist in the
.pmclustEnv
environment, usually the working environment. The X.spmd
is the data matrix to be clustered, and this matrix has a dimension
N.spmd
by p
.
The PARAM
will be a local variable for the current iteration inside
em.onestep
,
and this variable is a list containing all parameters related to models.
This function also updates in the parameters by the EM algorithm, and
return a new PARAM
for the next iteration.
The details of list elements are initially
generated by set.global
.
This function is one EM step. The global variables will be updated and
a new PARAM
will be returned.
See the help page of PARAM
or PARAM.org
for details.
Wei-Chen Chen wccsnow@gmail.com and George Ostrouchov.
Programming with Big Data in R Website: https://pbdr.org/
1 2 3 4 5 | ## Not run:
# This is a core function for em.step()
# see the source code for details.
## End(Not run)
|
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