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@stdlib/nlp

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Natural language processing.

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