How to use
tf
method
in
org.canova.api.util.MathUtils

Best Java code snippets using org.canova.api.util.MathUtils.tf (Showing top 2 results out of 315)

  @Override
  public double tfidf(String word, double frequency) {
    return MathUtils.tfidf(MathUtils.tf((int) frequency),MathUtils.idf(numDocs,idf(word)));
  }
}

@Override
public double tfidf(String word, double frequency) {
  return MathUtils.tfidf(MathUtils.tf((int) frequency), MathUtils.idf(numDocs, idf(word)));
}

Javadoc

Term frequency: 1+ log10(count)

Popular methods of MathUtils

clamp
Clamps the value to a discrete value
column
This returns the given column over an n arrays
combination
This returns the combination of n choose r
coordSplit
This returns the coordinate split in a list of coordinates such that the values for ret[0] are the x
correlation
Returns the correlation coefficient of two double vectors.
factorial
This will return the factorial of the given number n.
gr
Tests if a is greater than b.
idf
Inverse document frequency: the total docs divided by the number of times the word appeared in a doc
log2
Returns the logarithm of a for base 2.
maxIndex
Returns index of maximum element in a given array of doubles. First maximum is returned.
normalize
Normalizes the doubles in the array using the given value.
randomNumberBetween
Generates a random integer between the specified numbers

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How to use tfmethodin org.canova.api.util.MathUtils

Best Java code snippets using org.canova.api.util.MathUtils.tf (Showing top 2 results out of 315)

How to use
tf
method
in
org.canova.api.util.MathUtils