Errata

The errata list is a list of errors and their corrections that were found after the product was released. If the error was corrected in a later version or reprint the date of the correction will be displayed in the column titled "Date Corrected".

The following errata were submitted by our customers and approved as valid errors by the author or editor.

Color key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version	Location	Description	Submitted By	Date submitted	Date corrected
PDF	Page 88 Bottom	Change: df_co2_dt = readr::read_csv("extdata/co2.csv") df_co2_readr = data.table::fread("extdata/co2.csv") to df_co2_readr = readr::read_csv("extdata/co2.csv") df_co2_dt = data.table::fread("extdata/co2.csv")	Colin Gillespie	Feb 10, 2017
PDF	Page 49 Top of the page: second bullet point	Change "A function call to for and to the : operator" to "Two function calls: one to `for` and another to `seq_len()`"	Colin Gillespie	Feb 10, 2017
PDF	Page 44 Top	"are now much faster" should be "are not much faster"	Colin Gillespie	Feb 10, 2017
PDF	Page 14 R package	To install the package with associated vignettes: devtools::install_github("csgillespie/efficient") should be devtools::install_github("csgillespie/efficient", build_vignettes = TRUE)	Colin Gillespie	Feb 10, 2017