Index

Symbols

[[ operator 147

$ symbol 151

+ operator 53, 55

<- assigment operator 38

<- assignment operator 44–44

= assignment operator 44–44

A

abstraction 68, 76

aes() function 246

aesthetic mappings 237

aggregate() function 160, 176

anti_join() function 206

APIs (Application Programming Interfaces) 4, 300–302

apply() function 219

areaCircle() function 101, 215

arguments 44, 73–86, 135–135

default 80–82

multiple 78–80

name matching 82–84

partial matching 84–86

structures as 135–135

as.character() function 48, 263

as.integer() function 48

as.logical() function 49

assigning (storing) values 38–44

assignment operators 44–44

unchanging data 43–44

variables 38–43