org.knowceans.topics.cgen
Class AtmipGibbsSampler

java.lang.Object
  extended by org.knowceans.topics.cgen.AtmipGibbsSampler

public class AtmipGibbsSampler
extends java.lang.Object

Generated Gibbs sampler for the ATM model. author--topic model, testing abserved nodes

Implementation using parallelised independent samplers.

Mixture network specification:

m >> (am[m]) >> x[m][n]
x[m][n] >> (theta[x] | alpha) >> z[m][n]
z[m][n] >> (phi[z] | beta) >> w[m][n]


elements:

   document m
   type: {ROOT|E1SINGLE}
   parents: (root)
   children: am
   range: M
----
   doc-author (am[m])
   type: {VISIBLE|SEQUENCE|C1ROOT}
   parents: m
   children: x
   components: am, domain: M, range: am[m].length in A
   counts: nmx, sum: null
   index: m, selector: null
   label node (sparse indexing)
----
   author x[m][n]
   type: {HIDDEN|QFIXED|E1SINGLE}
   parents: am
   children: theta
   range: A
----
   author-topic (theta[x] | alpha)
   type: {TOPIC|C1ASINGLE}
   parents: x
   children: z
   components: theta, domain: A, range: K
   counts: nxz, sum: nxzsum
   index: x, selector: null
   hyperparams: alpha, dimension 1, fixed: false 
----
   topic z[m][n]
   type: {HIDDEN|QFIXED|E1SINGLE}
   parents: theta
   children: phi
   range: K
----
   topic-word (phi[z] | beta)
   type: {TOPIC|C1ASINGLE}
   parents: z
   children: w
   components: phi, domain: K, range: V
   counts: nzw, sum: nzwsum
   index: z, selector: null
   hyperparams: beta, dimension 1, fixed: false 
----
   word w[m][n]
   type: {VISIBLE|E1SINGLE}
   parents: phi
   children: (leaf)
   range: V
----
sequences:

words [m][n]
parent: (root), children: []
edges: m x z w
authors [m][j]
parent: (root), children: []
edges:

 

Author:
gregor heinrich (via MixNetKernelGenerator)

Field Summary
(package private)  int A
           
(package private)  double alpha
           
(package private)  double alphasum
           
(package private)  int[][] am
           
(package private)  int[][] amq
           
(package private)  double beta
           
(package private)  double betasum
           
(package private)  int iter
           
(package private)  int K
           
(package private)  int M
           
(package private)  int Mq
           
(package private)  int niter
           
(package private)  int[][] nxz
           
(package private)  int[] nxzsum
           
(package private)  int[][] nzw
           
(package private)  int[] nzwsum
           
(package private)  int P
           
(package private)  double[][] phi
           
(package private)  double[][] pp
           
(package private)  java.util.Random[] rand
           
(package private)  double[][] theta
           
(package private)  int V
           
(package private)  int[][] w
           
(package private)  int W
           
(package private)  int Wa
           
(package private)  int Waq
           
(package private)  int[][] wq
           
(package private)  int Wq
           
(package private)  int[][] x
           
(package private)  int[][] xq
           
(package private)  int[][] z
           
(package private)  int[][] zq
           
 
Constructor Summary
AtmipGibbsSampler(int[][] am, int[][] amq, int Amax, int A, double alpha, int K, double beta, int[][] w, int[][] wq, int V, java.util.Random rand)
           
 
Method Summary
 void estAlpha()
           
 void init()
           
 void initq()
           
static void main(java.lang.String[] args)
           
 double ppx()
           
 void run(int niter)
           
 void runq(int niterq)
           
 java.lang.String toString()
           
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

rand

java.util.Random[] rand

iter

int iter

niter

int niter

M

int M

Mq

int Mq

am

int[][] am

amq

int[][] amq

x

int[][] x

xq

int[][] xq

A

int A

nxz

int[][] nxz

nxzsum

int[] nxzsum

alpha

double alpha

alphasum

double alphasum

theta

double[][] theta

z

int[][] z

zq

int[][] zq

K

int K

nzw

int[][] nzw

nzwsum

int[] nzwsum

beta

double beta

betasum

double betasum

phi

double[][] phi

w

int[][] w

wq

int[][] wq

V

int V

W

int W

Wq

int Wq

Wa

int Wa

Waq

int Waq

pp

double[][] pp

P

int P
Constructor Detail

AtmipGibbsSampler

public AtmipGibbsSampler(int[][] am,
                         int[][] amq,
                         int Amax,
                         int A,
                         double alpha,
                         int K,
                         double beta,
                         int[][] w,
                         int[][] wq,
                         int V,
                         java.util.Random rand)
Method Detail

main

public static void main(java.lang.String[] args)

init

public void init()

initq

public void initq()

run

public void run(int niter)

runq

public void runq(int niterq)

estAlpha

public void estAlpha()

ppx

public double ppx()

toString

public java.lang.String toString()
Overrides:
toString in class java.lang.Object