Correlated Topic Model
Description
Estimate a CTM model using for example the VEM algorithm.
Usage
1 
Arguments
x 
Object of class 
k 
Integer; number of topics. 
method 
The method to be used for fitting; currently only

control 
A named list of the control parameters for estimation
or an object of class 
model 
Object of class 
... 
Currently not used. 
Details
The C code for CTM from David M. Blei and coauthors is used to estimate and fit a correlated topic model.
Value
CTM()
returns an object of class
"CTM"
.
Author(s)
Bettina Gruen
References
Blei D.M., Lafferty J.D. (2007). A Correlated Topic Model of Science. The Annals of Applied Statistics, 1(1), 17–35.
See Also
"CTM_VEMcontrol"
Examples
1 2  data("AssociatedPress", package = "topicmodels")
ctm < CTM(AssociatedPress[1:20,], k = 2)
