{"id":5810,"date":"2022-01-10T16:02:14","date_gmt":"2022-01-10T19:02:14","guid":{"rendered":"https:\/\/fcnuvem.com.br\/home\/?p=1575"},"modified":"2022-12-05T11:55:32","modified_gmt":"2022-12-05T14:55:32","slug":"blog-projeto-de-data-science-5-fases","status":"publish","type":"post","link":"https:\/\/fcamara.com\/blog\/blog-projeto-de-data-science-5-fases\/","title":{"rendered":"Projeto de Data Science: 5 fases para realizar o trabalho"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/fcamara.com\/blog\/wp-content\/uploads\/2021\/12\/Blog-FCnuvem-5FasesDataScience-1.png\" alt=\"\" class=\"wp-image-1577\"\/><figcaption><strong>Autor: <\/strong>Renato Azevedo Sant Anna<\/figcaption><\/figure>\n\n\n\n<p>Por minha experi\u00eancia anterior, eu descreveria um projeto de Data Science, em termos de aloca\u00e7\u00e3o de esfor\u00e7o, em 5 fases envolvidas para realizar o trabalho. A maior parte do esfor\u00e7o concentra-se nas fases iniciais. Esses percentuais podem variar, dependendo do caso.&nbsp;<\/p>\n\n\n\n<p><strong>1\u00aa fase<\/strong> &#8211; cerca de 10% do esfor\u00e7o envolvendo o mapeamento das fontes de dados.&nbsp;<\/p>\n\n\n\n<p><strong>2\u00aa fase<\/strong> &#8211;   cerca de 60% do esfor\u00e7o com <em>Data Quality<\/em>, que envolve a limpeza e organiza\u00e7\u00e3o dos dados, para que possam ser padronizados e usados \u200b\u200bem algoritmos de&nbsp;<em>Machine Learning<\/em>.&nbsp;<\/p>\n\n\n\n<p><strong>3\u00aa fase<\/strong> &#8211;   modelagem propriamente dita, com cerca de 10% do esfor\u00e7o, que envolve&nbsp;entender bem as&nbsp;vari\u00e1veis \u200b\u200bque afetam o problema a ser resolvido, a busca pela melhor solu\u00e7\u00e3o poss\u00edvel e o desenvolvimento dos modelos de&nbsp;<em>Machine Learning<\/em>.&nbsp;<\/p>\n\n\n\n<p> <strong>4\u00aa fase<\/strong> &#8211;   cerca de 15% do esfor\u00e7o com o processo de minera\u00e7\u00e3o de dados, governan\u00e7a de dados (exemplo, mitiga\u00e7\u00e3o de vi\u00e9s nos resultados gerados) e melhoria dos algoritmos de&nbsp;<em>Machine Learning<\/em>, em um processo evolutivo.&nbsp;<\/p>\n\n\n\n<p> <strong>5\u00aa fase<\/strong> &#8211;   os 5% restantes do esfor\u00e7o envolvem a parte de visualiza\u00e7\u00e3o de dados, gera\u00e7\u00e3o de insights e <em>Data Storytelling<\/em> com apresenta\u00e7\u00e3o dos resultados aos <em>stakeholders<\/em> e patrocinadores envolvidos, como Diretoria da empresa e clientes externos, por exemplo.&nbsp;<\/p>\n\n\n\n<p>Obs .: A&nbsp;respeito da 2\u00aa Fase de um projeto de Data Science, algumas fontes na Internet&nbsp;apontam que o percentual de esfor\u00e7o real pode chegar a 80% para a limpeza dos dados, mas como regra geral eu seria mais cauteloso com isso, devido aos avan\u00e7os&nbsp;cont\u00ednuos&nbsp;das novas tecnologias, no que diz respeito&nbsp;a&nbsp;automa\u00e7\u00e3o de tarefas repetitivas usando intelig\u00eancia artificial que pode ajudar a resolver diversos problemas nesta \u00e1rea.&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Para se iniciar um projeto de Data Science de sucesso, \u00e9 preciso saber por onde come\u00e7ar. Clique para ver os 5 passos principais.<\/p>\n","protected":false},"author":8,"featured_media":5794,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[94],"tags":[],"post_series":[],"class_list":["post-5810","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutoriais","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Projeto de Data Science: 5 fases para realizar o trabalho -<\/title>\n<meta name=\"description\" content=\"Para se iniciar um projeto de Data Science de sucesso, \u00e9 preciso saber por onde come\u00e7ar. 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