org.apache.mahout.vectorizer
Class TF

java.lang.Object
  extended by org.apache.mahout.vectorizer.TF
All Implemented Interfaces:
Weight

public class TF
extends Object
implements Weight

Weight based on term frequency only


Constructor Summary
TF()
           
 
Method Summary
 double calculate(int tf, int df, int length, int numDocs)
          Experimental
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

TF

public TF()
Method Detail

calculate

public double calculate(int tf,
                        int df,
                        int length,
                        int numDocs)
Description copied from interface: Weight
Experimental

Specified by:
calculate in interface Weight
Parameters:
tf - term freq
df - doc freq
length - Length of the document
numDocs - the total number of docs
Returns:
The weight


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