{"id":463,"date":"2016-08-03T09:41:49","date_gmt":"2016-08-03T09:41:49","guid":{"rendered":"http:\/\/dragoid.com\/en\/?p=463"},"modified":"2020-05-09T09:25:01","modified_gmt":"2020-05-09T09:25:01","slug":"analysis-of-goals-score-studied-in-thirteen-seasons-200001-to-201213-for-a-league-of-professional-spanish-football-league","status":"publish","type":"post","link":"https:\/\/dragoid.com\/en\/analysis-of-goals-score-studied-in-thirteen-seasons-200001-to-201213-for-a-league-of-professional-spanish-football-league\/","title":{"rendered":"Analysis of goals (score) studied in thirteen seasons (2000\/01 to 2012\/13) for a league of professional spanish football League"},"content":{"rendered":"<p>J. S\u00e1nchez-Flores, J.M. Mart\u00edn-Gonz\u00e1lez, J.M. Garc\u00eda-Manso, Y. de Sa\u00e1, E.J. Arriaza-Ardiles and M.E. Da Silva-Griglotetto. Revista andaluza de medicina del deporte. 2016. 9(2):55\u201361. ISSN: 1888-7546.<\/p>\n<p>&nbsp;<\/p>\n<p><strong>Abstract<\/strong><\/p>\n<p style=\"text-align: justify;\">Objective: The aim of this study is to analyze, 2000\/01season through 2012\/13season, the goal scored distribution by game and team; as its behavior in time. We also analyze the relationship with the league competitiveness degree. Method: We used the Poisson and the Negative Binomial distributions in order to study the goals distribution; and the Normalized Shannon\u00a0 Entropy for calculating the leagues uncertainty.Results: The Spaniard league has lost competitiveness in the seasons evaluated as the entropy and index of dispersion (team-game) display, especially in the last seasons analyzed. From the perspective of teams, it is not Poisson anymore, above all beyond 2008\/09 season. From the perspective of games it does not take place the same phenomenon, specially the last seasons studied (a = 0.0099\u00b10.0097; b = 0.9622\u00b10.077;R2 = 0.316; p = 0.045 vs. a=0.0162\u00b10.009; b = 0.9952\u00b10.0715; R2 = 0.588; p = 0.002). Regarding time differences between each goal, the behavior is different from 200 minutes, where the process follows an exponential distribution, and can be considered as a Poissonian process. This modification points out a possible memory effect that can be understood as a Mathew effect, which explains that the less powerful teams are unable to overcome the situation. Conclusions: The superiority of most powerful teams seems to be more clear, perhaps excessive, compared to the rest of participating teams, as well as the probability that a lot of goals take place (&gt; 5 goals) in a single game.<\/p>\n<p style=\"text-align: justify;\"><strong>Keywords<\/strong>: Soccer; Goal; Shannon entropy normalized; Poisson distribution; Negative binomial distribution; Mathews Effect<\/p>\n","protected":false},"excerpt":{"rendered":"<p>J. S\u00e1nchez-Flores, J.M. Mart\u00edn-Gonz\u00e1lez, J.M. Garc\u00eda-Manso, Y. de Sa\u00e1, E.J. Arriaza-Ardiles and M.E. Da Silva-Griglotetto. Revista andaluza de medicina del deporte. 2016. 9(2):55\u201361. ISSN: 1888-7546. &nbsp; Abstract Objective: The aim&#8230;<\/p>\n","protected":false},"author":2,"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>Analysis of goals (score) studied in thirteen seasons (2000\/01 to 2012\/13) for a league of professional spanish football League - 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\/analysis-of-goals-score-studied-in-thirteen-seasons-200001-to-201213-for-a-league-of-professional-spanish-football-league\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Analysis of goals (score) studied in thirteen seasons (2000\/01 to 2012\/13) for a league of professional spanish football League - Drago\" \/>\n<meta property=\"og:description\" content=\"J. S\u00e1nchez-Flores, J.M. Mart\u00edn-Gonz\u00e1lez, J.M. Garc\u00eda-Manso, Y. de Sa\u00e1, E.J. Arriaza-Ardiles and M.E. Da Silva-Griglotetto. Revista andaluza de medicina del deporte. 2016. 9(2):55\u201361. 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