{"id":3228,"date":"2023-05-11T05:51:42","date_gmt":"2023-05-11T05:51:42","guid":{"rendered":"https:\/\/pickl.ai\/blog\/?p=3228"},"modified":"2024-08-14T07:45:56","modified_gmt":"2024-08-14T07:45:56","slug":"classification-vs-clustering-unfolding-the-differences","status":"publish","type":"post","link":"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/","title":{"rendered":"Classification vs. Clustering: Unfolding the Differences"},"content":{"rendered":"<p><b>Summary:<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Unsure about classification vs. clustering? Classification sorts data into existing categories, like spam filtering or image recognition. Clustering uncovers hidden groups, useful for customer segmentation or anomaly detection. Both techniques power data science! Learn when to use each to unlock the secrets within your data.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Machine Learning is a subset of Artificial Intelligence and Computer Science that uses data and algorithms to imitate human learning and improve accuracy. Being an important component of Data Science, the use of statistical methods is crucial in training algorithms to make classifications.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Certainly, these predictions and classifications help in uncovering valuable insights in data mining projects. <\/span><a href=\"https:\/\/pickl.ai\/blog\/machine-learning-algorithms-that-every-ml-engineer-should-know\/\"><span style=\"font-weight: 400;\">ML algorithms<\/span><\/a><span style=\"font-weight: 400;\"> fall into various categories, generally characterised as Regression, Clustering, and Classification.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">While Classification is an example of a directed Machine Learning technique, Clustering is an unsupervised Machine Learning algorithm. The blog will take you on a journey to learn more about these algorithms and unfold a comparison of Classification vs. Clustering.<\/span><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_81 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#What_is_Classification\" >What is Classification?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Logistic_Regression\" >Logistic Regression<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#K-Nearest_Neighbours_KNN\" >K-Nearest Neighbours (KNN)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Decision_Trees\" >Decision Trees<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Random_Forest\" >Random Forest<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Naive_Bayes\" >Na\u00efve Bayes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Support_Vector_Machine\" >Support Vector Machine<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Application_of_Classification\" >Application of Classification<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Email_Spam_Filtering\" >Email Spam Filtering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Image_Recognition\" >Image Recognition<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Sentiment_Analysis\" >Sentiment Analysis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Fraud_Detection\" >Fraud Detection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Medical_Diagnosis\" >Medical Diagnosis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Loan_Approval\" >Loan Approval<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#What_is_Clustering\" >What is Clustering?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#K-Means_Clustering\" >K-Means Clustering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Agglomerative_Hierarchical_Clustering\" >Agglomerative Hierarchical Clustering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Divisive_Hierarchical_Clustering\" >Divisive Hierarchical Clustering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#DBSCAN\" >DBSCAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#OPTICS\" >OPTICS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#BIRCH\" >BIRCH<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Application_of_Clustering\" >Application of Clustering<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Customer_Segmentation\" >Customer Segmentation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Recommendation_Systems\" >Recommendation Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Image_Segmentation\" >Image Segmentation<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Social_Network_Analysis\" >Social Network Analysis<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Scientific_Discovery\" >Scientific Discovery<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Anomaly_Detection\" >Anomaly Detection<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Difference_Between_Classification_and_Clustering\" >Difference Between Classification and Clustering<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Frequently_Asked_Questions\" >Frequently Asked Questions<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#What_is_The_Relationship_Between_Clustering_and_Classification_in_Machine_Learning\" >What is The Relationship Between Clustering and Classification in Machine Learning?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#What_is_Hard_and_Soft_Clustering_in_Machine_Learning\" >What is Hard and Soft Clustering in Machine Learning?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Why_Do_We_Need_Clustering\" >Why Do We Need Clustering?<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/www.pickl.ai\/blog\/classification-vs-clustering-unfolding-the-differences\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"what-is-classification\"><span class=\"ez-toc-section\" id=\"What_is_Classification\"><\/span><b>What is Classification?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"radius-5 aligncenter wp-image-8474 size-full\" src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9.jpg\" alt=\"Classification vs. Clustering\" width=\"1000\" height=\"333\" srcset=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9.jpg 1000w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-300x100.jpg 300w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-768x256.jpg 768w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-110x37.jpg 110w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-200x67.jpg 200w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-380x127.jpg 380w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-255x85.jpg 255w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-550x183.jpg 550w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-800x266.jpg 800w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img9-150x50.jpg 150w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Classification is a directed approach in Machine Learning that assists organisations in making predictions of the target values based on the input provided to the models.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">There are various types of classifications, including binary and multi-class classifications, amongst many others.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These are dependent on the number of classes included within the target values. The different types of classification can be further evaluated as follows:<\/span><\/p>\n<h3 id=\"logistic-regression\"><span class=\"ez-toc-section\" id=\"Logistic_Regression\"><\/span><b>Logistic Regression<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">It is the kind of Linear model used in the classification process. If you need to determine the likelihood of an event, applying the sigmoid function is important. Categorical values in classification require the application of logistic regression, which is one of the best approaches.<\/span><\/p>\n<h3 id=\"k-nearest-neighbours-knn\"><span class=\"ez-toc-section\" id=\"K-Nearest_Neighbours_KNN\"><\/span><b>K-Nearest Neighbours (KNN)<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The distance between one data point and every other accomplished parameter is calculated using distance metrics like Euclidean distance, Manhattan distance, and others.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Therefore, to categorise the output correctly, you need a vote with a simple majority from each data\u2019<\/span><a href=\"https:\/\/pickl.ai\/blog\/unlocking-the-power-of-knn-algorithm-in-machine-learning\/\"><span style=\"font-weight: 400;\">s K closest neighbours<\/span><\/a><span style=\"font-weight: 400;\">, which is highly important.<\/span><\/p>\n<h3 id=\"decision-trees\"><span class=\"ez-toc-section\" id=\"Decision_Trees\"><\/span><b>Decision Trees<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Decision Trees are non-linear models, unlike logistic regression, which is a linear model. Using a tree structure is helpful in constructing the classification model, which includes nodes and leaves.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Several if-else statements are used in this method to break down a large structure into various smaller ones. This is then used to produce the final result. In both regression and classification issues, the use of decision trees can be highly helpful.<\/span><\/p>\n<h3 id=\"random-forest\"><span class=\"ez-toc-section\" id=\"Random_Forest\"><\/span><b>Random Forest<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The use of multiple decision trees in an ensemble learning approach can be beneficial in predicting the results of large attributes. Consequently, each brand of the decision tree will yield a distinct result.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Multiple decision trees are crucial for categorising the final conclusion in the classification problem. Regression problems are further solved by calculating the average of the projected values from the decision trees.<\/span><\/p>\n<h3 id=\"naive-bayes\"><span class=\"ez-toc-section\" id=\"Naive_Bayes\"><\/span><b>Na\u00efve Bayes<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Bayes\u2019 Theorem works as the foundation for the method of classification. It essentially works on the assumption that the presence of one feature does not rely on the presence of other characteristics. Alternatively, there is no connection between the two of them.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Therefore, the result of this supposition evaluates that it does not perform quite well with complicated data. The main reason is that the majority of the data sets have some type of connection between the characteristics. Hence, the assumption causes a problem.<\/span><\/p>\n<h3 id=\"support-vector-machine\"><span class=\"ez-toc-section\" id=\"Support_Vector_Machine\"><\/span><b>Support Vector Machine<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The classification algorithm makes use of a multidimensional representation of the data points. Hyperplanes are useful in separating the data points into groups. It is used to show an n-dimensional domain for the n available features and helps create hyperplanes for splitting the pieces of data with the greatest margin.<\/span><\/p>\n<h2 id=\"application-of-classification\"><span class=\"ez-toc-section\" id=\"Application_of_Classification\"><\/span><b>Application of Classification<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Classification, another fundamental technique in Data Science, complements clustering by focusing on sorting data points into predefined categories. Here&#8217;s how classification finds uses across various fields:<\/span><\/p>\n<h3 id=\"email-spam-filtering\"><span class=\"ez-toc-section\" id=\"Email_Spam_Filtering\"><\/span><b>Email Spam Filtering<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Classification algorithms are the backbone of spam filters. They analyze emails and classify them as spam or inbox based on features like keywords, sender information, and content structure.<\/span><\/p>\n<h3 id=\"image-recognition\"><span class=\"ez-toc-section\" id=\"Image_Recognition\"><\/span><b>Image Recognition<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Image recognition relies on classification models to categorize images into different classes, such as identifying objects (cars, people, furniture) or scenes (beaches, mountains, cityscapes) within an image.<\/span><\/p>\n<h3 id=\"sentiment-analysis\"><span class=\"ez-toc-section\" id=\"Sentiment_Analysis\"><\/span><b>Sentiment Analysis<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Social media analysis and marketing research leverage classification to understand the sentiment behind text data. This helps categorize opinions and reviews as positive, negative, or neutral.<\/span><\/p>\n<h3 id=\"fraud-detection\"><span class=\"ez-toc-section\" id=\"Fraud_Detection\"><\/span><b>Fraud Detection<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In finance and e-commerce, classification algorithms analyze transactions to identify fraudulent activities. They can flag suspicious spending patterns or account behaviour that deviates from normal.<\/span><\/p>\n<h3 id=\"medical-diagnosis\"><span class=\"ez-toc-section\" id=\"Medical_Diagnosis\"><\/span><b>Medical Diagnosis<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">While not a replacement for medical expertise, classification models can be trained on medical data to assist doctors. They can analyze patient information, scans, and test results to predict potential diseases or classify risk factors.<\/span><\/p>\n<h3 id=\"loan-approval\"><span class=\"ez-toc-section\" id=\"Loan_Approval\"><\/span><b>Loan Approval<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Banks use classification models to assess loan applications. The models can categorize applicants as high-risk, low-risk, or somewhere in between by analysing factors like income, credit history, and debt-to-income ratio.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">These are just a few examples, and classification algorithms play a vital role in various applications like weather forecasting, self-driving cars, and even algorithmic trading in finance.<\/span><\/p>\n<h2 id=\"what-is-clustering\"><span class=\"ez-toc-section\" id=\"What_is_Clustering\"><\/span><b>What is Clustering?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"radius-5 aligncenter wp-image-8475 size-full\" src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8.jpg\" alt=\"Clustering\" width=\"1000\" height=\"333\" srcset=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8.jpg 1000w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-300x100.jpg 300w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-768x256.jpg 768w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-110x37.jpg 110w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-200x67.jpg 200w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-380x127.jpg 380w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-255x85.jpg 255w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-550x183.jpg 550w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-800x266.jpg 800w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/post-content-img8-150x50.jpg 150w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p><span style=\"font-weight: 400;\">Clustering refers to the Machine Learning technique that belongs to the category of unsupervised learning. The purpose of the algorithm is to create clusters out of the collections of data points that have certain effective properties.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The data points certainly belong to the data points of a certain cluster that have similar characteristics. On the other hand, data points belonging to other clusters must have distinct characteristics from one another as humanely as possible. Two different categories of clustering make up the entire concept: soft clustering and hard clustering.<\/span><\/p>\n<h3 id=\"k-means-clustering\"><span class=\"ez-toc-section\" id=\"K-Means_Clustering\"><\/span><b>K-Means Clustering<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The beginning of establishing a fixed set of K segments and then using the distance metrics to compute the distance that separates each data item from the cluster centres of the various segments is the<\/span><a href=\"https:\/\/pickl.ai\/blog\/types-of-clustering-algorithms\/\"><span style=\"font-weight: 400;\"> K-Means Clustering<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Accordingly, it places each data point with each k group based on how far apart from the other points it is.<\/span><\/p>\n<h3 id=\"agglomerative-hierarchical-clustering\"><span class=\"ez-toc-section\" id=\"Agglomerative_Hierarchical_Clustering\"><\/span><b>Agglomerative Hierarchical Clustering<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">The formation of a cluster is possible by merging data points based on the distance metrics and the criteria which is useful for connecting these clusters.<\/span><\/p>\n<h3 id=\"divisive-hierarchical-clustering\"><span class=\"ez-toc-section\" id=\"Divisive_Hierarchical_Clustering\"><\/span><b>Divisive Hierarchical Clustering<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">It begins with the data sets combined into one single cluster, and then it divides these datasets using the proximity of the metrics together with the criterion. Both the hierarchical clustering and contentious clustering methods are seen as dendrograms. It can also be used to determine the optimal number of clusters.<\/span><\/p>\n<h3 id=\"dbscan\"><span class=\"ez-toc-section\" id=\"DBSCAN\"><\/span><b>DBSCAN<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">This approach in the clustering algorithm is based on the density whereby some algorithms like K-Means perform well on clusters with a reasonable amount of space between them. It further produces clusters that have spherical images or shapes as well.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">DBSCAN is used when the form of input is arbitrary, although it is less suspected to be aberrations than other scanning techniques. Within a given radius, it brings together various datasets which are adjacent to a large number of other datasets.<\/span><\/p>\n<h3 id=\"optics\"><span class=\"ez-toc-section\" id=\"OPTICS\"><\/span><b>OPTICS<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Density-based clustering, like the DBSCAN, makes use of the OPTICS strategy along with a few other factors, and it has a far greater computational burden. A reachability plot is created, but it does not break the data into clusters, which can aid with understanding clustering.<\/span><\/p>\n<h3 id=\"birch\"><span class=\"ez-toc-section\" id=\"BIRCH\"><\/span><b>BIRCH<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In terms of organising the data into different groups, it is important to summarise it first. Consequently, it first summarises the data and then uses the summation to form clusters. However, it is important to focus on the fact that it is limited to only working with numerical properties that have the ability to express spatially.<\/span><\/p>\n<h2 id=\"application-of-clustering\"><span class=\"ez-toc-section\" id=\"Application_of_Clustering\"><\/span><b>Application of Clustering<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Clustering is a powerful technique used in various fields to uncover hidden patterns and structures within unlabeled data. These are just a few examples, and clustering applications continue to grow in various domains.<\/span><\/p>\n<h3 id=\"customer-segmentation\"><span class=\"ez-toc-section\" id=\"Customer_Segmentation\"><\/span><b>Customer Segmentation<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Businesses use clustering to group customers based on purchase history, demographics, or browsing behaviour. This helps them target marketing campaigns and promotions more effectively.<\/span><\/p>\n<h3 id=\"recommendation-systems\"><span class=\"ez-toc-section\" id=\"Recommendation_Systems\"><\/span><b>Recommendation Systems<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Clustering algorithms are used to identify users with similar preferences. This allows recommendation systems to suggest products, movies, or music a user might be interested in.<\/span><\/p>\n<h3 id=\"image-segmentation\"><span class=\"ez-toc-section\" id=\"Image_Segmentation\"><\/span><b>Image Segmentation<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In image processing, clustering helps segment images into meaningful regions, such as separating foreground objects from the background. This is useful for tasks like object recognition and image editing.<\/span><\/p>\n<h3 id=\"social-network-analysis\"><span class=\"ez-toc-section\" id=\"Social_Network_Analysis\"><\/span><b>Social Network Analysis<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Researchers can identify communities with similar interests or behaviours by clustering users on social networks. This can provide insights into social trends and how information propagates.<\/span><\/p>\n<h3 id=\"scientific-discovery\"><span class=\"ez-toc-section\" id=\"Scientific_Discovery\"><\/span><b>Scientific Discovery<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">In biology, clustering helps classify genes or proteins based on their functions. In astronomy, it is used to group galaxies based on their properties.<\/span><\/p>\n<h3 id=\"anomaly-detection\"><span class=\"ez-toc-section\" id=\"Anomaly_Detection\"><\/span><b>Anomaly Detection<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Clustering can be used to identify data points that fall outside of expected clusters. This can be useful for fraud detection in financial transactions or identifying unusual system activity in network security.\u00a0<\/span><\/p>\n<h2 id=\"difference-between-classification-and-clustering\"><span class=\"ez-toc-section\" id=\"Difference_Between_Classification_and_Clustering\"><\/span><b>Difference Between Classification and Clustering<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-8476 size-full\" src=\"https:\/\/pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table.png\" alt=\"Difference Between Classification and Clustering\n\" width=\"711\" height=\"507\" srcset=\"https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table.png 711w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-300x214.png 300w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-110x78.png 110w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-200x143.png 200w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-380x271.png 380w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-255x182.png 255w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-550x392.png 550w, https:\/\/www.pickl.ai\/blog\/wp-content\/uploads\/2023\/05\/content-table-150x107.png 150w\" sizes=\"(max-width: 711px) 100vw, 711px\" \/><\/p>\n<h2 id=\"frequently-asked-questions\"><span class=\"ez-toc-section\" id=\"Frequently_Asked_Questions\"><\/span><b>Frequently Asked Questions<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3 id=\"what-is-the-relationship-between-clustering-and-classification-in-machine-learning\"><span class=\"ez-toc-section\" id=\"What_is_The_Relationship_Between_Clustering_and_Classification_in_Machine_Learning\"><\/span><b>What is The Relationship Between Clustering and Classification in Machine Learning?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Classification and Clustering are both Machine Learning algorithms that are used for different purposes. The classification algorithm is a supervised Machine Learning algorithm used to predict the different categories of target values.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In the case of clustering, it is an unsupervised Machine Learning algorithm that creates clusters out of the collection of data points that include certain effective properties.<\/span><\/p>\n<h3 id=\"what-is-hard-and-soft-clustering-in-machine-learning\"><span class=\"ez-toc-section\" id=\"What_is_Hard_and_Soft_Clustering_in_Machine_Learning\"><\/span><b>What is Hard and Soft Clustering in Machine Learning?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Hard and soft clustering are the two clustering methods in Machine Learning. Soft Clustering is about the output providing a probability likelihood of data points belonging to each of the pre-defined number of clusters. On the other hand, hard clustering focuses on one data point which can belong to one cluster only.<\/span><\/p>\n<h3 id=\"why-do-we-need-clustering\"><span class=\"ez-toc-section\" id=\"Why_Do_We_Need_Clustering\"><\/span><b>Why Do We Need Clustering?<\/b><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><span style=\"font-weight: 400;\">Data Scientists and others use clustering to gain important insights on clusters of data points by observing them and applying the clustering algorithm to the data. Clustering is required to identify groups of similar objects within a dataset with two or more variable quantities.<\/span><\/p>\n<h2 id=\"conclusion\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><b>Conclusion<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Thus, Classification and Clustering are two of the most efficient Machine Learning techniques useful in enhancing business processes. The difference mentioned above of Classification vs. Clustering proves that you can use them differently to understand your customers and improve their experiences.<\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"font-weight: 400;\">By analysing and targeting consumers using ML Techniques, businesses can create a loyal customer base and optimise their Return on Investment.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/p>\n\n","protected":false},"excerpt":{"rendered":"Classify or Cluster? Know when to sort vs. find hidden groups.\n","protected":false},"author":19,"featured_media":8469,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[2],"tags":[980,981,977,982,979,978,734],"ppma_author":[2186,2178],"class_list":{"0":"post-3228","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-machine-learning","8":"tag-applications-of-classification-and-clustering","9":"tag-classification-examples","10":"tag-classification-vs-clustering","11":"tag-clustering-examples","12":"tag-difference-between-classification-and-clustering","13":"tag-what-is-classification","14":"tag-what-is-clustering"},"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.3 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Classification vs. Clustering: Understanding the Differences<\/title>\n<meta name=\"description\" content=\"Classification vs Clustering | Understand the difference! 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