March 2018
Intermediate to advanced
528 pages
13h 2m
Portuguese (Portugal, Brazil)
Content preview from R para Data Science
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Capítulo 3
Transformação de Dados com dplyr
Introdução
A visualização é uma ferramenta importante para a geração de insights, mas é raro que
você obtenha os dados exatamente da forma que precisa. Frequentemente você precisará
criar algumas variáveis ou resumos novos, ou talvez só queira renomear as variáveis
ou reordenar as observações para facilitar o trabalho com os dados. Você aprenderá
como fazer tudo isso (e mais!) neste capítulo, que o ensinará como transformar seus
dados usando o pacote dplyr e um novo conjunto de dados sobre voos partindo da
cidade de Nova York em 2013.
Pré-requisitos
Neste capítulo focaremos em como usar o pacote dply ...
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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.
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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.