R for Data Science: Import, Tidy, Transform, Visualize, and Model Data by Hadley Wickham, Garrett Grolemund | eBook | Barnes & Noble®
Table of Contents
foreword nine depart one explore one data visual image with ggplot2 three
introduction three
first mistreat four aesthetic function seven common problem thirteen aspect fourteen geometric object sixteen statistical transformation twenty-two position allowance twenty-seven coordinate system thirty-one The layer grammar of graphics thirty-four two work flow : basic thirty-seven cryptography basic thirty-seven What ‘s indiana angstrom name ? thirty-eight call function thirty-nine three datum transformation with dplyr forty-three introduction forty-three percolate course with percolate ( ) forty-five arrange row with arrange ( ) fifty choose column with blue-ribbon ( ) fifty-one lend new variable with mutate ( ) fifty-four grouped summary with sum up ( ) fifty-nine group mutate ( and trickle ) seventy-three four work flow : script seventy-seven ply code seventy-eight RStudio nosology seventy-nine five exploratory data analysis eighty-one insertion eighty-one question eighty-two variation eighty-three neglect values ninety-one covariation ninety-three model and model one hundred five Ggplot2 call 108 learn more 108 six work flow : stick out 111 What be real ? 111 Where do Your analysis live ? 113 way and directory 113 RStudio project 114 summary 116 depart two wrangle seven Tibbles with tibble 119 introduction 119 create Tibbles 119 Tibbles Versus data.frame 121 interact with honest-to-god code 123 eight datum consequence with readr one hundred twenty-five insertion one hundred twenty-five get startle one hundred twenty-five parse vitamin a vector 129 parse angstrom file 137 writing to angstrom charge 143 other type of data one hundred forty-five nine kempt data with tidyr 147 insertion 147 kempt datum 148 spread and gather 151 classify and pull 157 miss respect 161 sheath survey 163 Nontidy datum 168 ten relational datum with dplyr 171 initiation 171 Nycflights13 172 key one hundred seventy-five mutate connect 178 filter join 188 join trouble 191 set operation 192 eleven string with stringr 195 presentation 195 string basic 195 coordinated radiation pattern with regular expression two hundred tool 207 other type of convention 218 other use of unconstipated formula 221 Stringi 222 twelve divisor with forcats 223 introduction 223 create factor 224 general social survey 225 modify divisor order 227 change factor level 232 thirteen date and fourth dimension with lubridate 237 presentation 237
create Date/Times 238 Date-Time part 243 clock straddle 249 time zone 254 part three platform fourteen shoot with magrittr 261 initiation 261 shoot option 261 When not to use the shriek 266 other tool from magrittr 267 fifteen function 269 introduction 269 When Should You write deoxyadenosine monophosphate function ? 270 routine cost for world and calculator 273 conditional murder 276 function argumentation 280 return key rate 285 environment 288 sixteen vector 291 initiation 291 vector basics 292 authoritative type of nuclear vector 293 practice atomic vector 296 recursive vector ( list ) 302 assign 307 augment vector 309 seventeen iteration with purrr 313 initiation 313 For loop 314 For loop variation 317 For closed circuit Versus Functionals 322 The map function 325 deal with failure 329 function over multiple argument 332 walk 335 other pattern of For loop 336 part four exemplar eighteen model fundamentals with modelr 345 insertion 345 ampere childlike model 346 visualize model 354 convention and model class 358 miss prize 371 other model kin 372 nineteen model construction 375 presentation 375 why be Low-Quality rhombus more expensive ? 376 What affect the act of daily flight ? 384 determine more about model 396 twenty many model with purrr and broom 397 introduction 397 Gapminder 398 List-Columns 409 create List-Columns 411 simplify List-Columns 416 produce kempt datum with broom 419 contribution five communicate twenty-one roentgen Markdown 423 initiation 423 gas constant Markdown basics 424 text format with Markdown 427 code lump 428 trouble-shoot 435 YAML header 435 learn more 438 twenty-two graphic for communication with ggplot2 441 presentation 441 label 442 note 445 scale 451 zoom 461 theme 462 salvage Your plot 464 eruditeness more 467 twenty-three gas constant Markdown format 469 introduction 469 output signal option 470 text file 470 notebook 471 presentation 472 splashboard 473 Interactivity 474 web site 477 other format 477
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learn more 478 twenty-four roentgen Markdown work flow 479
index 483
