April 2025
Intermediate to advanced
352 pages
9h 18m
Portuguese (Portugal, Brazil)
Content preview from Analítica de futebol com Python e R
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Capítulo 8. Análise de componentes principais e agrupamento: Atributos do jogador
Este trabalho foi traduzido com recurso a IA. Agradecemos o teu feedback e comentários: translation-feedback@oreilly.com
Nesta era de grandes volumes de dados, algumas pessoas têm um forte impulso para simplesmente "atirar o lava-loiças" aos dados, numa tentativa de encontrar padrões e retirar valor dos mesmos. Na análise do futebol, este impulso também é forte. Em geral, esta abordagem deve ser adoptada com cautela, devido à natureza dinâmica e de pequena amostragem do jogo. No entanto, se for tratada com cuidado, o processo de aprendizagem não supervisionada (em contraste com a aprendizagem supervisionada, ambas definidas em alguns parágrafos) pode produzir conhecimentos úteis para nós, analistas de futebol.
Neste capítulo, tu utilizarás os dados do NFL Scouting Combine de 2000 a 2023, que obterás através do Pro Football Reference. Como mencionado no Capítulo 7, o NFL Scouting Combine é um evento anual, normalmente realizado em Indianápolis, Indiana, onde os jogadores da NFL passam por uma bateria de testes físicos (e outros) em preparação para o Draft da NFL. Toda a indústria do futebol americano se reúne para o que é, essencialmente, a sua conferência anual e, com muitos dos melhores jogadores a deixarem de fazer testes enquanto lá estão (optando por fazer testes em Pro Days mais amigáveis, realizados nos seus campus universitários), a importância dos eventos em campo, aos olhos de muitos, diminuiu. ...
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