Articles by hadleywickham

dplyr 0.4.3

September 4, 2015 | hadleywickham

dplyr 0.4.3 includes over 30 minor improvements and bug fixes, which are described in detail in the release notes. Here I wanted to draw your attention five small, but important, changes: mutate() no longer randomly crashes! (Sorry it took us so long to fix this – I know it’s been causing a ... [Read more...]

testthat 0.10.0

May 29, 2015 | hadleywickham

testthat 0.10.0 is now available on CRAN. Testthat makes it easy to turn the informal testing that you’re already doing into formal automated tests. Learn more at http://r-pkgs.had.co.nz/tests.html. Install the latest version with: install.packages("testthat") There are four big changes in this release: ... [Read more...]

devtools 1.8.0

May 11, 2015 | hadleywickham

Devtools 1.8 is now available on CRAN. Devtools makes it so easy to build a package that it becomes your default way to organise code, data and documentation. You can learn more about developing packages at http://r-pkgs.had.co.nz/. Get the latest version of devtools with: install.packages("devtools") ... [Read more...]

stringr 1.0.0

May 5, 2015 | hadleywickham

I’m very excited to announce the 1.0.0 release of the stringr package. If you haven’t heard of stringr before, it makes string manipulation easier by: Using consistent function and argument names: all functions start with str_, and the first argument is always the input string This makes stringr easier ... [Read more...]

Parse and process XML (and HTML) with xml2

April 21, 2015 | hadleywickham

I’m pleased to announced that the first version of xml2 is now available on CRAN. Xml2 is a wrapper around the comprehensive libxml2 C library that makes it easier to work with XML and HTML in R: Read XML and HTML with read_xml() and read_html(). Navigate the ... [Read more...]

Get data out of excel and into R with readxl

April 15, 2015 | hadleywickham

I’m pleased to announced that the first version of readxl is now available on CRAN. Readxl makes it easy to get tabular data out of excel. It: Supports both the legacy .xls format and the modern xml-based .xlsx format. .xls support is made possible the with libxls C library, ... [Read more...]

readr 0.1.0

April 9, 2015 | hadleywickham

I’m pleased to announced that readr is now available on CRAN. Readr makes it easy to read many types of tabular data: Delimited files withread_delim(), read_csv(), read_tsv(), and read_csv2(). Fixed width files with read_fwf(), and read_table(). Web log files with read_log(). You ... [Read more...]

haven 0.1.0

March 4, 2015 | hadleywickham

I’m pleased to announced that the new haven package is now available on CRAN. Haven makes it easy to read data from SAS, SPSS and Stata. Haven has the same goal as the foreign package, but it: Can read binary SAS7BDAT files. Can read Stata13 files. Always returns ... [Read more...]

Epoch.com sponsors RMySQL development

February 11, 2015 | hadleywickham

I’m very pleased to announce that Epoch.com has stepped up as a sponsor for the RMySQL package. For the last 20 years, Epoch.com has built its Internet Payment Service Provider infrastructure on open source software. Their data team, led by Szilard Pafka, PhD, has been using R for ... [Read more...]

dplyr 0.4.0

January 9, 2015 | hadleywickham

I’m very pleased to announce that dplyr 0.4.0 is now available from CRAN. Get the latest version by running: install.packages("dplyr") dplyr 0.4.0 includes over 80 minor improvements and bug fixes, which are described in detail in the release notes. Here I wanted to draw your attention to two areas that ...
[Read more...]

RMySQL 0.10.0

January 9, 2015 | hadleywickham

Jeroen Ooms and I are very pleased to announce a new version of RMySQL, the R package that allows you to talk to MySQL (and MariaDB) databases. We have taken over maintenance from Jeffrey Horner, who has done a great job of maintaining the package of the last few years, ... [Read more...]

ggplot2 updates

January 9, 2015 | hadleywickham

ggplot2 1.0.0 As you might have noticed, ggplot2 recently turned 1.0.0. This release incorporated a handful of new features and bug fixes, but most importantly reflects that ggplot2 is now a mature plotting system and it will not change significantly in the future. This does not mean ggplot2 is dead! The ggplot2 ... [Read more...]

httr 0.6.0

December 14, 2014 | hadleywickham

httr 0.6.0 is now available on CRAN. The httr packages makes it easy to talk to web APIs from R. Learn more in the quick start vignette. This release is mostly bug fixes and minor improvements. The most important are: handle_reset(), which allows you to reset the default handle if ... [Read more...]

tidyr 0.2.0 (and reshape2 1.4.1)

December 8, 2014 | hadleywickham

tidyr 0.2.0 is now available on CRAN. tidyr makes it easy to “tidy” your data, storing it in a consistent form so that it’s easy to manipulate, visualise and model. Tidy data has variables in columns and observations in rows, and is described in more detail in the tidy data ... [Read more...]

magrittr 1.5

December 1, 2014 | hadleywickham

(Posted on behalf of Stefan Milton Bache) Sometimes it’s the small things that make a big difference. For me, the introduction of our awkward looking friend, %__%, was one such little thing. I’d never suspected that it would have such an impact on the way quite a few people ... [Read more...]

rvest: easy web scraping with R

November 24, 2014 | hadleywickham

rvest is new package that makes it easy to scrape (or harvest) data from html web pages, by libraries like beautiful soup. It is designed to work with magrittr so that you can express complex operations as elegant pipelines composed of simple, easily understood pieces. Install it with: install.packages("... [Read more...]

RSQLite 1.0.0

October 25, 2014 | hadleywickham

I’m very pleased to announce a new version of RSQLite 1.0.0. RSQLite is the easiest way to use SQL database from R: library(DBI) # Create an ephemeral in-memory RSQLite database con [1] TRUE # Fetch all results […] [Read more...]

dplyr 0.3

October 13, 2014 | hadleywickham

I’m very pleased to announce that dplyr 0.3 is now available from CRAN. Get the latest version by running: install.packages("dplyr") There are four major new features: Four new high-level verbs: distinct(), slice(), rename(), and transmute(). Three new helper functions between, count(), and data_frame(). More flexible join specifications. ... [Read more...]

devtools 1.6

October 2, 2014 | hadleywickham

Devtools 1.6 is now available on CRAN. Devtools makes it so easy to build a package that it becomes your default way to organise code, data and documentation. Learn more at http://r-pkgs.had.co.nz/. You can get the latest version with: install.packages("devtools") We’ve made a lot ... [Read more...]

testthat 0.9

September 23, 2014 | hadleywickham

testthat 0.9 is now available on CRAN. Testthat makes it easy to turn the informal testing that you’re already doing into formal automated tests. Learn more at http://r-pkgs.had.co.nz/tests.html This version of testthat has four important new features that bring testthat up to speed with ... [Read more...]
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