March 2018
Intermediate to advanced
528 pages
13h 2m
Portuguese (Portugal, Brazil)
Content preview from R para Data Science
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306 | Capítulo 16: Vetores
Se esse pimenteiro é sua lista x, então x[1] é um pimenteiro contendo um único pa-
cotinho de pimenta:
CG_RforData_Book.indb 306 18/01/2019 16:24:54
Atributos | 307
x[2] seria igual, mas conteria o segundo pacotinho. x[1:2] seria um pimenteiro con-
tendo dois pacotinhos de pimenta.
x[[1]] é:
Se você quisesse obter o conteúdo do pacotinho de pimenta, precisaria de x[[1]][[1]]:
Exercícios
1. Desenhe as seguintes listas como conjuntos agrupados:
a. list(a, b, list(c, d), list(e, f))
b. list(list(list(list(list(list(a))))
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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.