{"id":55474,"date":"2020-09-11T10:57:50","date_gmt":"2020-09-11T09:57:50","guid":{"rendered":"https:\/\/www.clickworker.com\/?page_id=55474"},"modified":"2022-11-23T09:32:42","modified_gmt":"2022-11-23T08:32:42","slug":"unsupervised-learning","status":"publish","type":"page","link":"https:\/\/www.clickworker.com\/ai-glossary\/unsupervised-learning\/","title":{"rendered":"Unsupervised Learning"},"content":{"rendered":"<section class=\"white section-space top_grey_separation_sm\">\r\n<div class=\"container\">\r\n<div class=\"row\">\r\n<div class=\"col-lg-6\">\r\n\r\n<span class=\"gl_letter_offcanvas gl_single\">U<\/span>\r\n<h1 class=\"section-headline pt-4 mt-1 mb-4\"><span class=\"gl_single_headline\">Unsupervised Learning<\/span><\/h1>\r\n<ul>\r\n \t<li><a href=\"#explanation\">Unsupervised Learning \u2013 Short Explanation<\/a><\/li>\r\n \t<li><a href=\"#world\">Unsupervised Learning in the Real World<\/a><\/li>\r\n\t<li><a href=\"#AI\">Unsupervised Learning in the World of AI<\/a><\/li>\r\n\r\n<\/ul>\r\n<\/div>\r\n\t\r\n<div class=\"col-lg-6\">\r\n\t\t\t <img decoding=\"async\" src=\"https:\/\/www.clickworker.de\/wp-content\/uploads\/2020\/09\/unsupervised-learning.jpg\" alt=\"Unsupervised Learning\" class=\"gl_image max-width-100\"\/><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n\r\n<section class=\"gray section-space\">\r\n<div class=\"container\">\r\n<div class=\"row\">\r\n<div class=\"col-lg-12\">\r\n<h2 class=\"section-headline mb-4\"  id=\"explanation\">Unsupervised Learning \u2013 Short Explanation<\/h2>\r\n<p>When trying to teach Artificial Intelligence (AI) algorithms, two different methods are used. The first method is supervised learning. Here labeled data sets are used to teach and educate algorithms to sort and identify data appropriately. In addition to the labeled data sets that are used as inputs, validation data is also marked to ensure the model is accurate and working as designed. <\/p>\r\n<p>Creating these labeled data sets is a very time and resource-intensive process; however, so <strong>unsupervised learning<\/strong> is also used in training algorithms. With unsupervised learning, the data sets are unlabeled. As they are passed through the AI algorithm, they are grouped and categorized based on patterns identified by the system.\r\n<\/p>\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n\r\n<section class=\"white section-space bottom_grey_separation_sm\">\r\n<div class=\"container\">\r\n<div class=\"row\">\r\n<div class=\"col-lg-12\">\r\n\r\n<h2 class=\"section-headline mb-4\" id=\"world\">Unsupervised Learning in the Real World<\/h2>\r\n<p>To understand how unsupervised learning works, consider a massive sample of images of different animals. With <a href=\"https:\/\/www.clickworker.com\/ai-glossary\/supervised-learning\/\">supervised learning<\/a>, this data pool would be categorized into the different animals like dogs, cats, fishes, birds, monkeys, etc. However, with unsupervised learning, those labels would not be there. The expectation is that the system would classify the images into different categories.<\/p>\r\n<p>So, in this case, instead of categorizing by species, you would instead find the <a href=\"https:\/\/www.clickworker.com\/ai-glossary\/algorithm\/\">algorithm<\/a> looking for distinguishing characteristics. As such, you might see pictures of dogs and cats and even monkeys lumped together in a category called \u201cfur.\u201d Birds would be grouped into a \u201cfeather\u201d category, and so on.<\/p>\r\n<p>By looking for patterns in data, unsupervised learning algorithms can quickly make distinctions. As the algorithm continues analyzing the data, it clusters the data in different ways. The most common clusters are as follows:<\/p>\r\n<ul>\r\n<li>k-Means clustering <\/li>\r\n<li>Exclusive clustering<\/li>\r\n<li>Hierarchical clustering<\/li>\r\n<li>Probabilistic clustering<\/li>\r\n<\/ul>\r\n\r\n\r\n<blockquote>Raw <a href=\"https:\/\/www.clickworker.com\/ai-datasets-for-machine-learning\/\">AI training datasets<\/a> for teaching artificial intelligence (AI) algorithms can be efficiently obtained via clickworker.<\/blockquote>\r\n\r\n\r\n<h2 class=\"section-headline mb-4\" id=\"AI\">Unsupervised Learning in the World of AI<\/h2>\r\n<p>Unsupervised learning as a way of teaching and educating <a href=\"https:\/\/www.clickworker.com\/ai-glossary\/artificial-intelligence\/\">AI<\/a> algorithms has its pros and cons. From the point of view of cost and resource allocation, it is definitely more effective than supervised learning. However, one problem with unsupervised learning is that it is difficult to know whether it is actually getting the job done.<\/p>\r\n<p>With supervised learning, the algorithm has specific inputs and expected outputs. It is easy to understand how accurate the <a href=\"https:\/\/www.clickworker.com\/2020\/07\/31\/choosing-the-right-ai-model\/\">AI model<\/a> is, and the algorithm can be tweaked to improve accuracy further. This same capability does not exist within unsupervised learning. If a sample data set does suit natural clustering, it could be an excellent fit, however.<\/p>\r\n<p>Unsupervised learning algorithms are capable of processing more complex data vs. supervised learning systems. While they might add new and unexpected categories to the data, they are often considered to generative learning models. As such, their capabilities will improve from one generation to the next.\r\n<\/p>\r\n\r\n\r\n\r\n\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/section>\r\n","protected":false},"excerpt":{"rendered":"<p>U Unsupervised Learning Unsupervised Learning \u2013 Short Explanation Unsupervised Learning in the Real World Unsupervised Learning in the World of AI Unsupervised Learning \u2013 Short Explanation When trying to teach Artificial Intelligence (AI) algorithms, two different methods are used. The first method is supervised learning. Here labeled data sets are used to teach and educate [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":54483,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"blank_with_breadcrumb.php","meta":{"footnotes":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Unsupervised Learning - Term explanation in the AI glossary<\/title>\n<meta name=\"description\" content=\"Unsupervised Learning - Unlabeled data sets are used to teach algorithms. 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