{"id":55102,"date":"2024-04-16T00:21:39","date_gmt":"2024-04-16T00:21:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=55102"},"modified":"2024-04-16T00:21:39","modified_gmt":"2024-04-16T00:21:39","slug":"which-machine-learning-algorithm-is-commonly-used-for-recommendation-systems-such-as-suggesting-products-to-online-shoppers","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-machine-learning-algorithm-is-commonly-used-for-recommendation-systems-such-as-suggesting-products-to-online-shoppers\/","title":{"rendered":"Which machine learning algorithm is commonly used for recommendation systems, such as suggesting products to online shoppers?"},"content":{"rendered":"<p>\r\n    <!-- Check if it's an AMP page -->\r\n            <!-- Non-AMP version -->\r\n        <div class=\"mcq-container\" data-quiz-id=\"quizState_6a97f5c8d47ff\">\r\n                                            <div class=\"option\" data-option-key=\"option1\" data-is-correct=\"false\">\r\n                    K-Means Clustering                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option2\" data-is-correct=\"true\">\r\n                    Collaborative Filtering                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option3\" data-is-correct=\"false\">\r\n                    Principal Component Analysis (PCA)                <\/div>\r\n                                            <div class=\"option\" data-option-key=\"option4\" data-is-correct=\"false\">\r\n                    Support Vector Machine (SVM)                <\/div>\r\n                            \r\n            <!-- Feedback messages for non-AMP -->\r\n            <div class=\"feedback\" data-feedback=\"wrong\">Answer is Right!<\/div>\r\n            <div class=\"feedback\" data-feedback=\"right\">Answer is Wrong!<\/div>\r\n        <\/div>\r\n\r\n        <script>\r\n        document.addEventListener('DOMContentLoaded', function () {\r\n            var containers = document.querySelectorAll('.mcq-container');\r\n\r\n            containers.forEach(function(container) {\r\n                var options = container.querySelectorAll('.option');\r\n                var feedbackSelect = container.querySelector('[data-feedback=\"select\"]');\r\n                var feedbackWrong = container.querySelector('[data-feedback=\"wrong\"]');\r\n                var feedbackRight = container.querySelector('[data-feedback=\"right\"]');\r\n\r\n                options.forEach(function(option) {\r\n                    option.addEventListener('click', function() {\r\n                        var selectedOption = option.getAttribute('data-option-key');\r\n                        var isCorrect = option.getAttribute('data-is-correct') === 'true';\r\n\r\n                        \/\/ Remove previous selections\r\n                        options.forEach(function(opt) {\r\n                            opt.classList.remove('correct', 'incorrect');\r\n                        });\r\n\r\n                        \/\/ Add the correct\/incorrect class\r\n                        if (isCorrect) {\r\n                            option.classList.add('correct');\r\n                            feedbackRight.hidden = false;\r\n                            feedbackWrong.hidden = true;\r\n                        } else {\r\n                            option.classList.add('incorrect');\r\n                            feedbackRight.hidden = true;\r\n                            feedbackWrong.hidden = false;\r\n                        }\r\n\r\n                        \/\/ Hide select feedback\r\n                        feedbackSelect.hidden = true;\r\n                    });\r\n                });\r\n            });\r\n        });\r\n        <\/script>\r\n    \r\n    <!--more--><\/p>\n<p>The correct answer is B. Collaborative filtering.<\/p>\n<p>Collaborative filtering is a technique used by recommendation systems to recommend items to users based on the ratings or preferences of other users. It is a type of machine learning algorithm that is commonly used for recommendation systems, such as suggesting products to online shoppers.<\/p>\n<p>K-means clustering is a technique used to group data points into clusters. It is a type of unsupervised learning algorithm that does not require any labeled data.<\/p>\n<p>Principal component analysis (PCA) is a technique used to reduce the dimensionality of data. It is a type of dimensionality reduction algorithm that is commonly used for data visualization and machine learning.<\/p>\n<p>Support vector machine (SVM) is a technique used for classification and regression. It is a type of supervised learning algorithm that requires labeled data.<\/p>\n<p>Here is a brief explanation of each option:<\/p>\n<ul>\n<li><strong>K-Means Clustering<\/strong> is a technique used to group data points into clusters. It is a type of unsupervised learning algorithm that does not require any labeled data. The algorithm works by first randomly selecting k data points as the initial cluster centers. Then, each data point is assigned to the cluster with the nearest cluster center. The cluster centers are then updated based on the data points that have been assigned to them. This process is repeated until the cluster centers no longer change.<\/li>\n<li><strong>Principal Component Analysis (PCA)<\/strong> is a technique used to reduce the dimensionality of data. It is a type of dimensionality reduction algorithm that is commonly used for data visualization and machine learning. The algorithm works by first finding the principal components of the data. The principal components are the directions in which the data has the most variance. The data can then be projected onto the principal components, which will result in a lower-dimensional representation of the data.<\/li>\n<li><strong>Support Vector Machine (SVM)<\/strong> is a technique used for classification and regression. It is a type of supervised learning algorithm that requires labeled data. The algorithm works by finding a hyperplane in a high-dimensional space that separates the data points into two classes. The hyperplane is chosen <div class=\"telegram-channel-container\">\r\n        <a href=\"https:\/\/t.me\/pscnotes2025\" target=\"_blank\" class=\"telegram-channel-button\">\r\n            <span class=\"telegram-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 496 512\">\r\n                    <path fill=\"white\" d=\"M248,8C111,8,0,119,0,256s111,248,248,248s248-111,248-248S385,8,248,8z M362,177L320,367c-3,14-10,18-20,14l-56-41l-27,26 c-3,3-5,5-10,5l4-63L323,196c5-5-1-7-8-3l-98,62l-42-13c-9-3-10-9,2-14l162-63C351,160,365,164,362,177z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Join Our Telegram Channel\r\n        <\/a>\r\n    <\/div> such that it has the largest margin, which is the distance between the hyperplane and the <div class=\"youtube-subscribe-container\">\r\n        <a href=\"https:\/\/www.youtube.com\/channel\/UCNHT8lW-JmLC68rjBfZhdkg?sub_confirmation=1\" target=\"_blank\" class=\"youtube-subscribe-button\">\r\n            <span class=\"youtube-icon\">\r\n                <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 576 512\">\r\n                    <path d=\"M549.7 124.1c-6.3-23.7-24.8-42.3-48.3-48.6C458.8 64 288 64 288 64S117.2 64 74.6 75.5c-23.5 6.3-42 24.9-48.3 48.6-11.4 42.9-11.4 132.3-11.4 132.3s0 89.4 11.4 132.3c6.3 23.7 24.8 41.5 48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z\"\/>\r\n                <\/svg>\r\n            <\/span>\r\n            Subscribe on YouTube\r\n        <\/a>\r\n    <\/div> nearest data points.<\/li>\n<\/ul>\n<p>Collaborative filtering is a more appropriate algorithm for recommendation systems than the other options because it takes into account the ratings or preferences of other users. This allows the recommendation system to recommend items that the user is more likely to be interested in.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Subscribe on YouTube<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[736],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which machine learning algorithm is commonly used for recommendation systems, such as suggesting products to online shoppers?<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-machine-learning-algorithm-is-commonly-used-for-recommendation-systems-such-as-suggesting-products-to-online-shoppers\/\" 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