March 2025
Intermediate to advanced
244 pages
5h 42m
Portuguese (Portugal, Brazil)
Content preview from Análise de dados moderna no Excel
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Capítulo 2. Primeiros passos no Excel Power Query
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No Capítulo 1, as tabelas foram apresentadas como a porta de entrada para a análise moderna do Excel. Os capítulos seguintes da Parte I aprofundam o conjunto de ferramentas modernas do Excel, particularmente o Power Query. Esta ferramenta aborda muitas das limitações tradicionais do Excel e oferece um ambiente de fácil utilização e com pouco código.
O que é o Power Query?
O Power Query é uma tecnologia de ligação de dados que permite aos utilizadores ligarem-se facilmente, combinarem e aperfeiçoarem dados de uma vasta gama de fontes a partir do Excel. Inicialmente introduzida como um suplemento, tornou-se uma caraterística essencial do Excel moderno, simplificando significativamente o processo de importação e limpeza de dados. O Power Query oferece uma interface de fácil utilização para a realização de manipulações de dados complexas, como a fusão de tabelas, a transformação de formatos de dados e a agregação de informações, sem exigir conhecimentos avançados de programação.
O Power Query como destruidor de mitos do Excel
Os analistas actuam como destruidores de mitos, desafiando suposições e revelando verdades. Mesmo no domínio do Excel, uma ferramenta empresarial lendária, podem surgir mitos. No entanto, muitos desses mitos já não são verdadeiros. O Power Query desmascarou com sucesso inúmeras afirmações, ...
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