org.knowceans.topics.cgen
Class MixNodeFastSerial

java.lang.Object
  org.knowceans.topics.cgen.MixItem
      org.knowceans.topics.cgen.MixNode
          org.knowceans.topics.cgen.MixNodeFastSerial

public class MixNodeFastSerial
extends MixNode

represents a mixture node with fast serial sampling state

TODO: this may be subclassed for node data types

Field Summary

(package private) java.lang.String	rtheta reverse stheta
(package private) java.lang.String	rthetasum reverse sthetasum
(package private) java.lang.String	stheta sort index over values of theta
(package private) java.lang.String	sthetasum sort index over values of thetasum
(package private) java.lang.String	utheta norm over values of theta

Fields inherited from class org.knowceans.topics.cgen.MixNode

alpha, C1ASINGLE, C1BSEQADD, C1INPUT, C1ROOT, C2MULTI, C3MERGED, C4SWITCH, C5COUPLED, C5MAIN, constK, coupledMainNode, coupledNodes, dimAlpha, E2SPLIT, fixedAlpha, HIDDEN, j, J, jSel, k, K, kSel, N6AGGREG, NOEDGE, ntheta, nthetasum, SEQINPUT, SEQUENCE, sparse, T, theta, TOPIC, VISIBLE

Fields inherited from class org.knowceans.topics.cgen.MixItem

children, datatype, indent, linktype, name, parents, UNRECOG

Constructor Summary

MixNodeFastSerial(java.lang.String name, java.lang.String theta, boolean sparse)
create a visible node

MixNodeFastSerial(java.lang.String name, java.lang.String theta, java.lang.String alpha)
constructs a hidden node

Method Summary

java.lang.String	declareVars() declare node structures
java.lang.String	getGibbsTerm(MixSequence seq, java.util.List<MixEdge> ee, boolean q)
java.lang.String	incNode(MixSequence seq, java.util.List<MixEdge> ee, boolean inc, boolean q, boolean synced) return code to increment this node's counts
java.lang.String	initVars(boolean q) initialise this node

Methods inherited from class org.knowceans.topics.cgen.MixNode

assignVarsInput, check, classify, coupleNode, coupleParams, expandSelector, getAlphaEstimator, getChildEdge, getChildEdge, getChildren, getComponentCount, getCoupledNodes, getEdge, getLatexGibbsTerm, getLikelihoodTerm, getName, getParentEdge, getParentEdge, getParents, getThetaEstimator, getVariable, intersection, kIndex, listTypedVarsInput, listVarsInput, nameEmptyVars, printDetails, printSelector, printType, setConstants, tIndex, toString

Methods inherited from class org.knowceans.topics.cgen.MixItem

typeString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

utheta

java.lang.String utheta

norm over values of theta

stheta

java.lang.String stheta

sort index over values of theta

rtheta

java.lang.String rtheta

reverse stheta

sthetasum

java.lang.String sthetasum

sort index over values of thetasum

rthetasum

java.lang.String rthetasum

reverse sthetasum

Constructor Detail

MixNodeFastSerial

public MixNodeFastSerial(java.lang.String name,
                         java.lang.String theta,
                         java.lang.String alpha)

constructs a hidden node

Parameters:

name -

theta -

alpha -

MixNodeFastSerial

public MixNodeFastSerial(java.lang.String name,
                         java.lang.String theta,
                         boolean sparse)

create a visible node

Parameters:

name -

theta -

sparse - whether it is connected with a label sequence (like authors) that associates only the non-null subset of the domain

Method Detail

declareVars

public java.lang.String declareVars()

declare node structures

Overrides:

declareVars in class MixNode

Parameters:

u -

n -

Returns:

initVars

public java.lang.String initVars(boolean q)

initialise this node

Overrides:

initVars in class MixNode

Parameters:

q -

Returns:

getGibbsTerm

public java.lang.String getGibbsTerm(MixSequence seq,
                                     java.util.List<MixEdge> ee,
                                     boolean q)

Overrides:

getGibbsTerm in class MixNode

incNode

public java.lang.String incNode(MixSequence seq,
                                java.util.List<MixEdge> ee,
                                boolean inc,
                                boolean q,
                                boolean synced)

return code to increment this node's counts

Overrides:

incNode in class MixNode

Parameters:

ee - active edges

inc - whether to increment or decrement

q - for querying

synced - use synchronisation

Returns: