Search/Lucene/Search/Similarity/Default.php
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inherited
inherited
Classes
Zend Framework
LICENSE
This source file is subject to the new BSD license that is bundled
with this package in the file LICENSE.txt.
It is also available through the world-wide-web at this URL:
http://framework.zend.com/license/new-bsd
If you did not receive a copy of the license and are unable to
obtain it through the world-wide-web, please send an email
to [email protected] so we can send you a copy immediately.
- Category
- Zend
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
- Package
- Zend_Search_Lucene
- Subpackage
- Search
- Version
- $Id$
\Zend_Search_Lucene_Search_Similarity_Default
Package: Zend_Search_Lucene\Search
- Parent(s)
- \Zend_Search_Lucene_Search_Similarity
- Category
- Zend
- Copyright
- Copyright (c) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
- License
- New BSD License
Methods
coord(integer $overlap, integer $maxOverlap) : floatImplemented as 'overlap/maxOverlap'.
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $overlap | integer | |
| $maxOverlap | integer |
| Type | Description |
|---|---|
| float |
idfFreq(integer $docFreq, integer $numDocs) : floatImplemented as 'log(numDocs/(docFreq+1)) + 1'.
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $docFreq | integer | |
| $numDocs | integer |
| Type | Description |
|---|---|
| float |
lengthNorm(string $fieldName, integer $numTerms) : floatImplemented as '1/sqrt(numTerms)'.
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $fieldName | string | |
| $numTerms | integer |
| Type | Description |
|---|---|
| float |
queryNorm(float $sumOfSquaredWeights) : floatImplemented as '1/sqrt(sumOfSquaredWeights)'.
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $sumOfSquaredWeights | float |
| Type | Description |
|---|---|
| float |
sloppyFreq(integer $distance) : floatImplemented as '1/(distance + 1)'.
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $distance | integer |
| Type | Description |
|---|---|
| float |
tf(float $freq) : floatImplemented as 'sqrt(freq)'.
Parameters
Returns
| Name | Type | Description |
|---|---|---|
| $freq | float |
| Type | Description |
|---|---|
| float |