{"id":329,"date":"2016-06-22T21:52:48","date_gmt":"2016-06-22T21:52:48","guid":{"rendered":"http:\/\/dragoid.com\/en\/?p=329"},"modified":"2020-05-09T08:59:24","modified_gmt":"2020-05-09T08:59:24","slug":"clustering-and-competitive-balance-in-professional-basketball-nba-and-acb","status":"publish","type":"post","link":"https:\/\/dragoid.com\/en\/clustering-and-competitive-balance-in-professional-basketball-nba-and-acb\/","title":{"rendered":"Clustering and competitive balance in professional basketball NBA and ACB"},"content":{"rendered":"<p>de Sa\u00e1 Guerra, Y., Mart\u00edn-Gonz\u00e1lez, J.M., Garc\u00eda Manso, J.M., Garc\u00eda Rodr\u00edguez, A. <em>Apunts<\/em>. 2016. <span class=\"item__meta\">124, (2). 7-16. ISSN-0214-8757.<\/span><\/p>\n<p><strong>Abstract<\/strong><\/p>\n<p style=\"text-align: justify;\">Some basketball leagues are more competitive than others. The level of uncertainty in the final standings is closely related to the league\u2019s appeal. A team\u2019s effectiveness has a reciprocal relationship with the emerging and critical environment: competition. Teams are affected by their surrounding environment. The competitive model directly impacts competition which means that small changes can dramatically alter the outcome. We compared two different sports models to determine the degree of hierarchy in these competitions. We studied the results of two professional basketball leagues: 18 NBA seasons (USA) and 14 ACB seasons (Spain). We found that there are three performance levels in ACB teams (ratio 0.15\u00b10.05; 0.45\u00b10.15; 0.8\u00b10.1). However, NBA data are less scattered and more Gaussian (peak ratio 0.5). General analysis (Shannon entropy) shows that competitive balance is not stable (mean NBA Sn=0.9842 \u00b1 0.0037; mean ACB Sn=0.9793 \u00b1 0.0053). More detailed study (cluster analysis) shows that there are teams in the ACB which are clearly rooted in a particular area of the competition. Most NBA teams have reached the playoffs. There is no consensus in studying competitive balance. We propose using a number of methodologies in order to determine the competitiveness of a given league. The sports model has a significant impact on levels of competitive balance. Both the ACB and the NBA have high competitive balance. The NBA has specific mechanisms to ensure high competitiveness while the ACB does not meet the absence of long-run domination requirement.<\/p>\n<p><strong>Keywords:<\/strong> basketball, competitiveness, sports organisations, complex systems, NBA, ACB<\/p>\n","protected":false},"excerpt":{"rendered":"<p>de Sa\u00e1 Guerra, Y., Mart\u00edn-Gonz\u00e1lez, J.M., Garc\u00eda Manso, J.M., Garc\u00eda Rodr\u00edguez, A. Apunts. 2016. 124, (2). 7-16. ISSN-0214-8757. Abstract Some basketball leagues are more competitive than others. The level of&#8230;<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[9],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Clustering and competitive balance in professional basketball NBA and ACB - Drago<\/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:\/\/dragoid.com\/en\/clustering-and-competitive-balance-in-professional-basketball-nba-and-acb\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Clustering and competitive balance in professional basketball NBA and ACB - Drago\" \/>\n<meta property=\"og:description\" content=\"de Sa\u00e1 Guerra, Y., Mart\u00edn-Gonz\u00e1lez, J.M., Garc\u00eda Manso, J.M., Garc\u00eda Rodr\u00edguez, A. Apunts. 2016. 124, (2). 7-16. ISSN-0214-8757. Abstract Some basketball leagues are more competitive than others. The level of...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dragoid.com\/en\/clustering-and-competitive-balance-in-professional-basketball-nba-and-acb\/\" \/>\n<meta property=\"og:site_name\" content=\"Drago\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/palestraDrago\/\" \/>\n<meta property=\"article:published_time\" content=\"2016-06-22T21:52:48+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-09T08:59:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/dragoid.com\/wp-content\/uploads\/2021\/08\/Logo-Ale.png\" \/>\n\t<meta property=\"og:image:width\" content=\"538\" \/>\n\t<meta property=\"og:image:height\" content=\"539\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/dragoid.com\/#organization\",\"name\":\"Palestra Drago\",\"url\":\"https:\/\/dragoid.com\/\",\"sameAs\":[\"https:\/\/www.instagram.com\/palestradrago\/\",\"https:\/\/es.linkedin.com\/company\/drago-physical-education-research-high-performance-center\",\"https:\/\/www.facebook.com\/palestraDrago\/\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/dragoid.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/dragoid.com\/wp-content\/uploads\/2021\/08\/Logo-Ale.png\",\"contentUrl\":\"https:\/\/dragoid.com\/wp-content\/uploads\/2021\/08\/Logo-Ale.png\",\"width\":538,\"height\":539,\"caption\":\"Palestra Drago\"},\"image\":{\"@id\":\"https:\/\/dragoid.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/dragoid.com\/#website\",\"url\":\"https:\/\/dragoid.com\/\",\"name\":\"Drago\",\"description\":\"Investigaci\u00f3n y entrenamiento deportivo\",\"publisher\":{\"@id\":\"https:\/\/dragoid.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/dragoid.com\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/dragoid.com\/en\/clustering-and-competitive-balance-in-professional-basketball-nba-and-acb\/#webpage\",\"url\":\"https:\/\/dragoid.com\/en\/clustering-and-competitive-balance-in-professional-basketball-nba-and-acb\/\",\"name\":\"Clustering and competitive balance in professional basketball NBA and ACB - 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