{"id":420,"date":"2010-01-29T20:12:15","date_gmt":"2010-01-29T20:12:15","guid":{"rendered":"https:\/\/blogs.mathworks.com\/videos\/2010\/01\/29\/advanced-speeding-up-an-enumerated-string-search-in-a-data-mining-application\/"},"modified":"2010-01-29T20:12:15","modified_gmt":"2010-01-29T20:12:15","slug":"advanced-speeding-up-an-enumerated-string-search-in-a-data-mining-application","status":"publish","type":"post","link":"https:\/\/blogs.mathworks.com\/videos\/2010\/01\/29\/advanced-speeding-up-an-enumerated-string-search-in-a-data-mining-application\/","title":{"rendered":"Advanced: Speeding up an enumerated string search in a data mining application"},"content":{"rendered":"This week, I am going to cover a technique that I used to speed up a data mining application that had a search through enumerated strings looking for all the matches.  Using this technique of substituting numeric values for the strings, I was able to see a twenty fold speed increase.\r\n\r\n<div><div class=\"row\"><div class=\"col-xs-12 containing-block\"><div class=\"bc-outer-container add_margin_20\"><videoplayer><div class=\"video-js-container\"><video data-video-id=\"3877437062001\" data-video-category=\"blog\" data-autostart=\"false\" data-account=\"62009828001\" data-omniture-account=\"mathwgbl\" data-player=\"rJ9XCz2Sx\" data-embed=\"default\" id=\"mathworks-brightcove-player\" class=\"video-js\" controls><\/video><script src=\"\/\/players.brightcove.net\/62009828001\/rJ9XCz2Sx_default\/index.min.js\"><\/script><script>if (typeof(playerLoaded) === 'undefined') {var playerLoaded = false;}(function isVideojsDefined() {if (typeof(videojs) !== 'undefined') {videojs(\"mathworks-brightcove-player\").on('loadedmetadata', function() {playerLoaded = true;});} else {setTimeout(isVideojsDefined, 10);}})();<\/script><\/div><\/videoplayer><\/div><\/div><\/div>\r\n <\/div>\r\n\r\nAlso, my colleague Scott thought that people interested in this video should check out <a href=\"https:\/\/www.mathworks.com\/help\/releases\/R2009b\/toolbox\/stats\/categoricalclass.html\">categorical arrays in the statistics toolbox<\/a>.","protected":false},"excerpt":{"rendered":"<div class=\"thumbnail thumbnail_asset asset_overlay video\"><a href=\"https:\/\/blogs.mathworks.com\/videos\/2010\/01\/29\/advanced-speeding-up-an-enumerated-string-search-in-a-data-mining-application\/?dir=autoplay\"><img decoding=\"async\" src=\"https:\/\/cf-images.us-east-1.prod.boltdns.net\/v1\/static\/62009828001\/7deebdb0-4f0f-4ad9-b886-852ea9d11652\/482d8822-6ecc-4682-ae50-cf606717a6c4\/1280x720\/match\/image.jpg\" onError=\"this.style.display ='none';\"\/>\n      <div class=\"overlay_container\">\n      <span class=\"icon-video icon_color_null\"><time class=\"video_length\">5:50<\/time><\/span>\n      <\/div>\n      <\/a><\/div><p>This week, I am going to cover a technique that I used to speed up a data mining application that had a search through enumerated strings looking for all the matches.  Using this technique of&#8230; <a class=\"read-more\" href=\"https:\/\/blogs.mathworks.com\/videos\/2010\/01\/29\/advanced-speeding-up-an-enumerated-string-search-in-a-data-mining-application\/\">read more >><\/a><\/p>","protected":false},"author":68,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[4,12,20],"tags":[],"_links":{"self":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/420"}],"collection":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/users\/68"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/comments?post=420"}],"version-history":[{"count":0,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/posts\/420\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/media?parent=420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/categories?post=420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.mathworks.com\/videos\/wp-json\/wp\/v2\/tags?post=420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}