From 401613290d8f6bf458a24de17318050de9b01663 Mon Sep 17 00:00:00 2001 From: jangorecki Date: Sun, 27 Oct 2019 12:46:34 +0530 Subject: [PATCH 1/2] readme link examples, rm old link to a talk --- README.md | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) diff --git a/README.md b/README.md index ab4cf7f569..06509e2752 100644 --- a/README.md +++ b/README.md @@ -16,16 +16,6 @@ `data.table` provides a high-performance version of [base R](https://www.r-project.org/about.html)'s `data.frame` with syntax and feature enhancements for ease of use, convenience and programming speed. ---- - -**Tuesday 22nd October 2019
-
-Matt Dowle will be in New York for [H2O World](https://www.h2o.ai/h2oworldnewyork/).
-Please Ask-Me-Anything starting now: click http://sli.do and enter event code "askmattdowle".
-I'll answer the most voted questions during my session: https://h2o.ai/h2oworldny-livestream-reg** - ---- - ## Why `data.table`? * concise syntax: fast to type, fast to read @@ -88,6 +78,8 @@ DT[Petal.Width > 1.0, mean(Petal.Length), by = Species] #2: virginica 5.552000 ``` +Read [examples in `?data.table` manual](https://rdatatable.gitlab.io/data.table/reference/data.table.html#examples) for a more complete usage. + ### Getting started * [Introduction to data.table](https://cloud.r-project.org/web/packages/data.table/vignettes/datatable-intro.html) vignette From 1888bc86152fa3e5430ee0bc4c5719d0905210af Mon Sep 17 00:00:00 2001 From: mattdowle Date: Mon, 28 Oct 2019 10:45:21 -0700 Subject: [PATCH 2/2] added next presentation (Jan in Mumbai), simplified installation, moved example() into Getting Started section --- README.md | 23 +++++++++++------------ man/data.table.Rd | 2 +- 2 files changed, 12 insertions(+), 13 deletions(-) diff --git a/README.md b/README.md index 06509e2752..d4510ac6c2 100644 --- a/README.md +++ b/README.md @@ -16,6 +16,14 @@ `data.table` provides a high-performance version of [base R](https://www.r-project.org/about.html)'s `data.frame` with syntax and feature enhancements for ease of use, convenience and programming speed. +--- + +**26 December 2019
+Efficiency in data processing: data.table basics - Jan Gorecki, [Mumbai R@IISA 2019](https://r-iisa2019.rbind.io/)** +
+ +--- + ## Why `data.table`? * concise syntax: fast to type, fast to read @@ -40,18 +48,10 @@ ## Installation -``` r -install.packages("data.table") -``` - -### Development version - ```r -install.packages("data.table", repos="https://Rdatatable.gitlab.io/data.table") -``` +install.packages("data.table") -or update only if newer revision is available -```r +# latest development version: data.table::update.dev.pkg() ``` @@ -78,12 +78,11 @@ DT[Petal.Width > 1.0, mean(Petal.Length), by = Species] #2: virginica 5.552000 ``` -Read [examples in `?data.table` manual](https://rdatatable.gitlab.io/data.table/reference/data.table.html#examples) for a more complete usage. - ### Getting started * [Introduction to data.table](https://cloud.r-project.org/web/packages/data.table/vignettes/datatable-intro.html) vignette * [Getting started](https://github.com/Rdatatable/data.table/wiki/Getting-started) wiki page +* [Examples](https://rdatatable.gitlab.io/data.table/reference/data.table.html#examples) produced by `example(data.table)` ### Cheatsheets diff --git a/man/data.table.Rd b/man/data.table.Rd index 1170813b6f..b0a4037d3d 100644 --- a/man/data.table.Rd +++ b/man/data.table.Rd @@ -231,7 +231,7 @@ column called \code{"keep"} containing \code{TRUE} and this is correct behaviour \seealso{ \code{\link{special-symbols}}, \code{\link{data.frame}}, \code{\link{[.data.frame}}, \code{\link{as.data.table}}, \code{\link{setkey}}, \code{\link{setorder}}, \code{\link{setDT}}, \code{\link{setDF}}, \code{\link{J}}, \code{\link{SJ}}, \code{\link{CJ}}, \code{\link{merge.data.table}}, \code{\link{tables}}, \code{\link{test.data.table}}, \code{\link{IDateTime}}, \code{\link{unique.data.table}}, \code{\link{copy}}, \code{\link{:=}}, \code{\link{setalloccol}}, \code{\link{truelength}}, \code{\link{rbindlist}}, \code{\link{setNumericRounding}}, \code{\link{datatable-optimize}}, \code{\link{fsetdiff}}, \code{\link{funion}}, \code{\link{fintersect}}, \code{\link{fsetequal}}, \code{\link{anyDuplicated}}, \code{\link{uniqueN}}, \code{\link{rowid}}, \code{\link{rleid}}, \code{\link{na.omit}}, \code{\link{frank}} } \examples{ \dontrun{ -example(data.table) # to run these examples at the prompt +example(data.table) # to run these examples yourself } DF = data.frame(x=rep(c("b","a","c"),each=3), y=c(1,3,6), v=1:9) DT = data.table(x=rep(c("b","a","c"),each=3), y=c(1,3,6), v=1:9)