{"id":256062,"date":"2022-10-16T07:49:10","date_gmt":"2022-10-16T02:19:10","guid":{"rendered":"https:\/\/www.jigsawacademy.com\/?p=256062"},"modified":"2022-10-17T07:49:41","modified_gmt":"2022-10-17T02:19:41","slug":"what-is-kdd-process-in-data-mining-and-its-steps","status":"publish","type":"post","link":"https:\/\/www.jigsawacademy.com\/blogs\/business-analytics\/what-is-kdd-process-in-data-mining-and-its-steps\/","title":{"rendered":"What Is KDD Process In Data Mining and Its Steps?"},"content":{"rendered":"<h3 aria-level=\"1\"><b><span data-contrast=\"auto\">Introduction<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:400,&quot;335559739&quot;:120,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h3>\n<p><span data-contrast=\"none\">From business transactions to scientific data, sensor data, pictures, videos, and more, we can and are handling a tremendous amount of information and data every day. Thus, we must have a system that will enable us to automatically extract the essence of the information available and generate reports, views, or summaries for better decision-making.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">The <\/span><b><span data-contrast=\"none\">KDD process in data mining<\/span><\/b><span data-contrast=\"none\"> is used in business in the following ways to make better managerial decisions:<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<ul>\n<li><span data-contrast=\"none\">Data summarization by automatic means<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"none\">Extraction of information from storage.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li>\n<li><span data-contrast=\"none\">Analyzing raw data to discover patterns.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">This article will briefly discuss the <\/span><b><span data-contrast=\"none\">KDD process in data mining<\/span><\/b><span data-contrast=\"none\"> and the <\/span><b><span data-contrast=\"none\">KDD process steps<\/span><\/b><span data-contrast=\"none\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"2\"><b><span data-contrast=\"auto\">What is KDD?<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:360,&quot;335559739&quot;:120,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">KDD uses data to find, transform, and refine meaningful patterns to be used in a variety of applications or domains. <\/span><b><span data-contrast=\"none\">KDD&#8217;s full form in data mining<\/span><\/b><span data-contrast=\"none\"> is <\/span><b><span data-contrast=\"none\">knowledge discovery in a database<\/span><\/b><span data-contrast=\"none\">.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">KDD is a long and complex process involving many steps and iterations, but the above statement gives a good overview of it.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">In the context of large databases, KDD is mainly concerned with extracting information from data. This is done by identifying knowledge using Data Mining algorithms.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"2\"><b><span data-contrast=\"auto\">What is KDD in Data Mining?<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:360,&quot;335559739&quot;:120,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">As a method of analyzing data from databases, KDD in data mining involves programming and analytical techniques in order to extract useful and applicable information. KDD relies heavily on <\/span><b><span data-contrast=\"none\">data mining knowledge management<\/span><\/b><span data-contrast=\"none\">, which is the foundation of the entire process.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">This algorithm deduces useful patterns from processed data using several algorithmic techniques that are self-learning. Throughout the process, many iterations are necessary as the algorithm and pattern interpretations demand continuous feedback.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"2\"><b><span data-contrast=\"auto\">Steps Involved in a Typical KDD Process<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:360,&quot;335559739&quot;:120,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">Iterative and interactive, the knowledge discovery in the database, i.e., the <\/span><b><span data-contrast=\"none\">KDD process steps, <\/span><\/b><span data-contrast=\"none\">consists of four actions. There are many imaginative aspects in this process in that one cannot present one formula or categorize all possible steps and applications scientifically. Each stage has its requirements and possibilities, so it is necessary to understand the process.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">As part of the KDD process, the objectives are determined and the knowledge discovered is implemented. This is when Active Data Mining starts, and the loop is closed. In the future, the application domain will need to be modified.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\u25cf\" data-font=\"Calibri\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551500&quot;:921626,&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u25cf&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Goal-Setting and Application Understanding:\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:200,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">As the first step in the process, you need to have prior knowledge and understanding of the field or domain you will be applying to in order to move forward. Here, we will decide how we will extract knowledge from the transformed data and the patterns identified through data mining. In my opinion, it is critically important to establish this premise, which, if not done correctly, can result in false interpretations and negative effects on those with whom it is expected.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\u25cf\" data-font=\"Calibri\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551500&quot;:921626,&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u25cf&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Data Selection and Integration:\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:200,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">Once the goals and objectives have been determined, it is necessary to select, sort, and categorize the data collected based on their availability, importance, accessibility, and quality into meaningful sets. In order to conduct data mining effectively, these parameters must be considered because they provide the basis for it and will affect the types of data models that can be constructed.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\u25cf\" data-font=\"Calibri\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551500&quot;:921626,&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u25cf&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"2\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Data Cleaning and Preprocessing:\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:200,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">As part of this procedure, the data set is searched for missing data, and low quality, noisy, redundant, or noisy data is removed from it so as to improve the accuracy of the data, as well as the reliability of the data set overall. The search and elimination of unwanted data are performed using certain algorithms, which are developed based on some attributes that are specific to each application.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<ul>\n<li data-leveltext=\"\u25cf\" data-font=\"Calibri\" data-listid=\"2\" data-list-defn-props=\"{&quot;335551500&quot;:921626,&quot;335552541&quot;:1,&quot;335559684&quot;:-2,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;\u25cf&quot;}\" aria-setsize=\"-1\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-contrast=\"auto\">Data Transformation:\u00a0<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559685&quot;:720,&quot;335559739&quot;:200,&quot;335559740&quot;:276,&quot;335559991&quot;:360}\">\u00a0<\/span><\/li>\n<\/ul>\n<p><span data-contrast=\"none\">This step aims to prepare the data so that it can be fed into the data mining algorithms for extraction. Therefore, the data must be presented in an aggregated and consolidated form. Based on functions, attributes, features, and other characteristics of the data, the data is consolidated.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559685&quot;:0,&quot;335559731&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"2\"><b><span data-contrast=\"auto\">Why is KDD important?<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:true,&quot;134245529&quot;:true,&quot;201341983&quot;:0,&quot;335559738&quot;:360,&quot;335559739&quot;:120,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">The KDD method is designed with the primary purpose of extracting valuable information from large databases in order to analyze them. It employs data mining techniques to identify what is considered knowledge by the system to accomplish this goal.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">As the name suggests, the <\/span><b><span data-contrast=\"none\">KDD process in data mining<\/span><\/b><span data-contrast=\"none\"> is a method for analyzing significant data sources through exploratory, planned investigations and modeling.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">It is a systematic approach that identifies valid, understandable, and practical patterns in massive but complicated datasets through systematic data analysis.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">The base of the KDD methodology is data mining, which entails the inference of algorithms by analyzing the data, creating a model, and discovering previously unknown patterns based on that model. Data is extracted using the model, and then it is analyzed and forecasted based on the information that has been extracted.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h2 aria-level=\"2\"><b><span data-contrast=\"auto\">Is learning KDD difficult?<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:false,&quot;134245529&quot;:false,&quot;201341983&quot;:0,&quot;335559738&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h2>\n<p><span data-contrast=\"none\">In today&#8217;s technologically advanced world, KDD is one of the most useful tools available. There is a moderate level of complexity involved in learning KDD. In order to learn KDD, learners must have knowledge of Computer Science, Machine Learning, Statistics, and Data Science.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">There are a number of aspects to this process, including database and data management, pre-processing of data, relevance metrics, design and inference factors, complexity factors, visualization of the data, online updating, and post-processing of discovered structures in addition to the raw data analysis.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<h4 aria-level=\"3\"><b><span data-contrast=\"auto\">Conclusion<\/span><\/b><span data-ccp-props=\"{&quot;134245418&quot;:false,&quot;134245529&quot;:false,&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/h4>\n<p><span data-contrast=\"none\">As a result of today&#8217;s globalization, a variety of data sources are being used to generate data of a wide range of types and formats, including economic transactions, biometrics, scientific and technical data, as well as images, videos, and pictures. In order to make the most of data that is readily available today, it is imperative to develop a technique that can extract the cream from that information so that reliable, high-quality, and effective data can be made available for use in various fields for decision-making purposes. Exactly here is where KDD can prove to be so useful.<\/span><span data-ccp-props=\"{&quot;201341983&quot;:0,&quot;335559739&quot;:200,&quot;335559740&quot;:276}\">\u00a0<\/span><\/p>\n<p><span data-contrast=\"none\">If you&#8217;re interested to learn more about the KDD process in data mining, then it is recommended that you check out the <\/span><a href=\"https:\/\/www.jigsawacademy.com\/certificate-in-cloud-computing\/\"><span data-contrast=\"none\">UNext Jigsaw Certificate in Cloud Computing <\/span><\/a><span data-contrast=\"none\">course.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction\u00a0 From business transactions to scientific data, sensor data, pictures, videos, and more, we can and are handling a tremendous amount of information and data every day. Thus, we must have a system that will enable us to automatically extract the essence of the information available and generate reports, views, or summaries for better decision-making.\u00a0 [&hellip;]<\/p>\n","protected":false},"author":2640,"featured_media":256065,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1496,1495],"tags":[],"form":[10307],"acf":[],"_links":{"self":[{"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/posts\/256062"}],"collection":[{"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/users\/2640"}],"replies":[{"embeddable":true,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/comments?post=256062"}],"version-history":[{"count":1,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/posts\/256062\/revisions"}],"predecessor-version":[{"id":256066,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/posts\/256062\/revisions\/256066"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/media\/256065"}],"wp:attachment":[{"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/media?parent=256062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/categories?post=256062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/tags?post=256062"},{"taxonomy":"form","embeddable":true,"href":"https:\/\/www.jigsawacademy.com\/wp-json\/wp\/v2\/form?post=256062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}