100 lines
1.8 KiB
Markdown
100 lines
1.8 KiB
Markdown
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@license Apache-2.0
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Copyright (c) 2019 The Stdlib Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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# porterStemmer
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> Extract the stem of a given word.
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<section class="intro">
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</section>
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<!-- /.intro -->
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<section class="usage">
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## Usage
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```javascript
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var porterStemmer = require( '@stdlib/nlp/porter-stemmer' );
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```
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#### porterStemmer( word )
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Extracts the stem of a given word using the Porter stemming algorithm.
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```javascript
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var out = porterStemmer( 'worldwide' );
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// returns 'worldwid'
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out = porterStemmer( 'fighting' );
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// returns 'fight'
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```
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</section>
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<!-- /.usage -->
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* * *
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<section class="references">
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## References
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- Porter, Michael F. 1980. "An algorithm for suffix stripping." _Program_ 13 (3): 130–37. doi:[10.1108/eb046814][@porter:1980].
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</section>
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<!-- /.references -->
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<section class="examples">
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## Examples
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<!-- eslint no-undef: "error" -->
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```javascript
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var porterStemmer = require( '@stdlib/nlp/porter-stemmer' );
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var out = porterStemmer( 'walking' );
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// returns 'walk'
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out = porterStemmer( 'walked' );
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// returns 'walk'
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out = porterStemmer( 'walks' );
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// returns 'walk'
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out = porterStemmer( '' );
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// returns ''
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```
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</section>
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<!-- /.examples -->
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<section class="links">
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[@porter:1980]: https://doi.org/10.1108/eb046814
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</section>
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<!-- /.links -->
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