Xapian::TradWeight - Traditional Probabilistic Weighting scheme.

- NAME
- DESCRIPTION
- METHODS
- SEE ALSO

# NAME

Xapian::TradWeight - Traditional Probabilistic Weighting scheme.

# DESCRIPTION

Traditional Probabilistic Weighting scheme, as described by the early papers on Probabilistic Retrieval. BM25 generally gives better results.

This class is deprecated - use `BM25Weight(k, 0, 0, 1, 0)` instead (which it is equivalent to).

# METHODS

new

  Constructor. Either takes no parameters, or a single non-negative parameter k. If k isn't specified, the default value used is 1.

# SEE ALSO

Xapian, Xapian::Enquire