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Descubra segredos do CPF em 2 minutos: o Cadastro de Pessoas Físicas esconde um código regional no penúltimo grupo de números que revela onde o documento foi emitido — e os dois dígitos finais não são aleatórios, são dígitos verificadores calculados por um algoritmo. Neste Reels rápido você vai aprender como identificar estados pelo CPF, entender a função de segurança dos dígitos finais e conhecer curiosidades numéricas que muitos associam à numerologia. Perfeito para quem ama curiosida
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Por que separar treino e teste em Machine Learning? Você confiaria em um aluno que fez a prova usando exatamente as mesmas perguntas que estudou? Em Inteligência Artificial, esse é um dos maiores erros que iniciantes cometem. Em Machine Learning, utilizamos dois conjuntos de dados: o conjunto de treino e o conjunto de teste. O conjunto de treino serve para ensinar o algoritmo a reconhecer padrões. É nele que o modelo aprende a relacionar informações e gerar previsões.
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