March 2018
Intermediate to advanced
528 pages
13h 2m
Portuguese (Portugal, Brazil)
Content preview from R para Data Science
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CAPÍTULO 5
Análise Exploratória de Dados
Introdução
Este capítulo lhe mostrará como usar visualização e transformação para explorar
seus dados de maneira sistemática, uma tarefa que os estatísticos chamam de análise
exploratória de dados, ou AED, que é um ciclo iterativo. Você:
1. Gera perguntas sobre seus dados.
2. Procura respostas ao visualizar, transformar e modelar seus dados.
3. Usa o que aprendeu para refinar suas perguntas e/ou gerar novas questões.
A AED não é um processo com um conjunto de regras rígidas. Mais do que qualquer
coisa, é um estado de espírito. Durante as fases iniciais de AED, você deve sentir-se
livre para investigar cad ...
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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.