April 2016
Intermediate to advanced
336 pages
7h 21m
Portuguese (Portugal, Brazil)
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CAPÍTULO 10
Trabalhando com Dados
Os especialistas, muitas vezes, possuem mais dados do que juízo.
—Colin Powell
Trabalhar com dados é uma arte e uma ciência. Temos discutido mais sobre a parte científica, mas neste capítulo consideraremos um pouco de arte.
Explorando Seus Dados
Após identificar as questões que você tem tentado responder e ter posto as mãos em alguns dados, você pode ficar tentado a ir mais fundo, começar a construir modelos e obter respostas. Mas você deveria resistir a esse impulso. Seu primeiro passo deveria ser explorar seus dados.
Explorando Dados Unidimensionais
O caso mais simples é quando você tem um conjunto de dados unidimensional, apenas uma coleção de números. Por exemplo, eles poderiam ser a media diária de minutos ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.