diff options
| author | trevor.cohn <trevor.cohn@ec762483-ff6d-05da-a07a-a48fb63a330f> | 2010-07-09 22:29:02 +0000 |
|---|---|---|
| committer | trevor.cohn <trevor.cohn@ec762483-ff6d-05da-a07a-a48fb63a330f> | 2010-07-09 22:29:02 +0000 |
| commit | 296c7cc2082557db4a82b4a1208986c6e93ad935 (patch) | |
| tree | 3cf7cb3c0c26d9703c8a2a6b583ce71e21e8fdfe /gi/posterior-regularisation/prjava/src/arr/F.java | |
| parent | d5105daa487d67752cd599267f74b7c8d502ef1e (diff) | |
Added initial VB implementation for symetric Dirichlet prior.
git-svn-id: https://ws10smt.googlecode.com/svn/trunk@215 ec762483-ff6d-05da-a07a-a48fb63a330f
Diffstat (limited to 'gi/posterior-regularisation/prjava/src/arr/F.java')
| -rw-r--r-- | gi/posterior-regularisation/prjava/src/arr/F.java | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/gi/posterior-regularisation/prjava/src/arr/F.java b/gi/posterior-regularisation/prjava/src/arr/F.java index 7f2b140a..54dadeac 100644 --- a/gi/posterior-regularisation/prjava/src/arr/F.java +++ b/gi/posterior-regularisation/prjava/src/arr/F.java @@ -4,18 +4,25 @@ import java.util.Random; public class F {
public static Random rng = new Random();
-
+
public static void randomise(double probs[])
{
+ randomise(probs, true);
+ }
+
+ public static void randomise(double probs[], boolean normalise)
+ {
double z = 0;
for (int i = 0; i < probs.length; ++i)
{
probs[i] = 3 + rng.nextDouble();
- z += probs[i];
+ if (normalise)
+ z += probs[i];
}
- for (int i = 0; i < probs.length; ++i)
- probs[i] /= z;
+ if (normalise)
+ for (int i = 0; i < probs.length; ++i)
+ probs[i] /= z;
}
public static void l1normalize(double [] a){
|