factorialfactory
Construct a factorial distribution structure
Syntax
D = factorialfactory(ComponentD, num) D = factorialfactory(ComponentD)
Description
D = factorialfactory(ComponentD, num) returns a structure representing a factorial distribution. ComponentD is a distribution structure defining facorial distribution type, and num is the number of factors.
D = factorialfactory(ComponentD) where ComponentD is a cell array of distribution structures defined on the same data space, constructs a heterogeneous factorial distribution D where each component may be of a different distribution type.
Distribution Parameters
- D (num-by-1 cell array of distribution parameter structures) : Contains the parameters for each component.
- W (num-by-num matrix) : The mixing matrix.
Probability Density Function
The distribution has the following density:
where is the number of components,
is the k-th row of mixing matrix
, and
represents the density function for k-th component.
name
See distribution structure common members.
Flag to control the memory usage (resulting code will be slower)
M
See distribution structure common members.
num
Number of components (excluding any fixed components)
Syntax
num = D.num()
component
Component distributions
Syntax
D_k = D.component(k)
subparam
Extract a subset of component parameters
Syntax
subtheta = D.subparam(theta, idx)
dim
See distribution structure common members.
datadim
See distribution structure common members.
ll
See distribution structure common members.
llvec
See distribution structure common members.
llgrad
See distribution structure common members.
llgraddata
See distribution structure common members.
gaussianize
See distribution structure common members.
sample
See distribution structure common members.
randparam
See distribution structure common members.
init
See distribution structure common members.
penalizerparam
See distribution structure common members.
Penalizer Info
The default penalizer for the mixture distribution is the mixture of the default penalizers of its components, with equal weights.
penalizercost
See distribution structure common members.
penalizergrad
See distribution structure common members.
sumparam
See distribution structure common members.
scaleparam
See distribution structure common members.
sumgrad
See distribution structure common members.
scalegrad
See distribution structure common members.
entropy
See distribution structure common members.
kl
See distribution structure common members.
AICc
See distribution structure common members.
BIC
See distribution structure common members.