{"id":15595,"date":"2023-12-04T14:00:45","date_gmt":"2023-12-04T14:00:45","guid":{"rendered":"https:\/\/promoguy.nl\/vocabulary\/long-tail\/"},"modified":"2023-12-04T14:00:45","modified_gmt":"2023-12-04T14:00:45","slug":"long-tail","status":"publish","type":"entity","link":"https:\/\/promoguy.nl\/pt\/blog\/vocabulary\/long-tail\/","title":{"rendered":"Cauda longa"},"content":{"rendered":"<p>Em estat\u00edstica, uma cauda longa de algumas distribui\u00e7\u00f5es de n\u00fameros \u00e9 a parte da distribui\u00e7\u00e3o que tem um grande n\u00famero de ocorr\u00eancias longe da \"cabe\u00e7a\" ou da parte central da distribui\u00e7\u00e3o. A distribui\u00e7\u00e3o pode envolver popularidades, n\u00fameros aleat\u00f3rios de ocorr\u00eancias de acontecimentos com v\u00e1rias probabilidades, etc.  Diz-se que uma distribui\u00e7\u00e3o de probabilidades tem uma cauda longa se uma maior percentagem da popula\u00e7\u00e3o se situar na sua cauda do que numa distribui\u00e7\u00e3o normal. Uma distribui\u00e7\u00e3o de cauda longa surge com a inclus\u00e3o de muitos valores invulgarmente afastados da m\u00e9dia, o que aumenta a magnitude da assimetria da distribui\u00e7\u00e3o. Uma distribui\u00e7\u00e3o de cauda longa \u00e9 um tipo particular de distribui\u00e7\u00e3o de cauda pesada. O termo cauda longa ganhou popularidade nos \u00faltimos tempos, descrevendo a estrat\u00e9gia de venda a retalho de um grande n\u00famero de artigos \u00fanicos com quantidades relativamente pequenas vendidas de cada um - normalmente para al\u00e9m da venda de menos artigos populares em grandes quantidades. A cauda longa foi popularizada por Chris Anderson num artigo da revista Wired de outubro de 2004, no qual mencionou a Amazon.com, a Apple e a Yahoo! como exemplos de empresas que aplicam esta estrat\u00e9gia. Anderson desenvolveu o conceito no seu livro The Long Tail: Why the Future of Business Is Selling Less of More. Os custos de distribui\u00e7\u00e3o e de invent\u00e1rio das empresas que aplicam com \u00eaxito esta estrat\u00e9gia permitem-lhes obter lucros significativos com a venda de pequenos volumes de artigos dif\u00edceis de encontrar a muitos clientes, em vez de venderem apenas grandes volumes de um n\u00famero reduzido de artigos populares. O total de vendas deste grande n\u00famero de \"artigos n\u00e3o encontrados\" \u00e9 designado por \"cauda longa\". Dada uma escolha suficiente, uma grande popula\u00e7\u00e3o de clientes e custos de armazenamento e distribui\u00e7\u00e3o negligenci\u00e1veis, o padr\u00e3o de sele\u00e7\u00e3o e compra da popula\u00e7\u00e3o faz com que a procura dos produtos tenha uma distribui\u00e7\u00e3o do tipo lei da pot\u00eancia ou distribui\u00e7\u00e3o de Pareto. \u00c9 importante compreender por que raz\u00e3o algumas distribui\u00e7\u00f5es s\u00e3o normais ou distribui\u00e7\u00f5es de cauda longa (pot\u00eancia). Chris Anderson argumenta que, embora quantidades como a altura humana ou o QI sigam uma distribui\u00e7\u00e3o normal, em redes sem escala com liga\u00e7\u00f5es preferenciais, s\u00e3o criadas distribui\u00e7\u00f5es de lei de pot\u00eancia, ou seja, porque alguns n\u00f3s est\u00e3o mais ligados do que outros (como os \"mavens\" de Malcolm Gladwell em The Tipping Point). O conceito de cauda longa encontrou algum terreno para aplica\u00e7\u00e3o, investiga\u00e7\u00e3o e experimenta\u00e7\u00e3o.  \u00c9 um termo utilizado em neg\u00f3cios em linha, meios de comunica\u00e7\u00e3o social, microfinanciamento (Grameen Bank, por exemplo), inova\u00e7\u00e3o orientada para o utilizador (Eric von Hippel) e mecanismos de redes sociais (por exemplo, crowdsourcing, crowdcasting, peer-to-peer), modelos econ\u00f3micos e marketing (marketing viral). Uma distribui\u00e7\u00e3o de frequ\u00eancias com uma cauda longa tem sido estudada pelos estat\u00edsticos desde, pelo menos, 1946. O termo tamb\u00e9m tem sido utilizado no sector financeiro e dos seguros h\u00e1 muitos anos. O trabalho de Beno\u00eet Mandelbrot nos anos 50 e seguintes levou-o a ser referido como \"o pai das caudas longas\".<\/p>","protected":false},"excerpt":{"rendered":"<p>In statistics, a long tail of some distributions of numbers is the portion of the distribution having a large number of occurrences far from the &#8220;head&#8221; or central part of the distribution. The distribution could involve popularities, random numbers of occurrences of events with various probabilities, etc. A probability distribution is said to have a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"","ping_status":"closed","template":"","meta":{"_acf_changed":false,"wl_entities_gutenberg":"","footnotes":""},"categories":[],"wl_entity_type":[39],"class_list":["post-15595","entity","type-entity","status-publish","hentry","wl_entity_type-thing"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.8 (Yoast SEO v27.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Long-tail - Promoguy Digital Marketing Agency<\/title>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Long-tail\" \/>\n<meta property=\"og:description\" content=\"In statistics, a long tail of some distributions of numbers is the portion of the distribution having a large number of occurrences far from the &#8220;head&#8221; or central part of the distribution. 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