1322 search results for "rstudio"

R / Finance 2015 Open for Registration

March 31, 2015
By

The annoucement below just went to the R-SIG-Finance list. More information is as usual at the R / Finance page. Registration for R/Finance 2015 is now open! The conference will take place on May 29 and 30, at UIC in Chicago. Building on the success of the previous conferences in 2009-2014, we expect more than 250 attendees from around...

Read more »

Another Interactive Map for the Cholera Dataset

March 31, 2015
By
Another Interactive Map for the Cholera Dataset

Following my previous post, François (aka @FrancoisKeck) posted a comment mentionning another package I could use to get an interactive map, the rleafmap package. And the heatmap was here easy to include. This time, we do not use openstreetmap. The first part is still the same, to get the data, > require(rleafmap) > library(sp) > library(rgdal) > library(maptools) >...

Read more »

Interactive pivot tables with R

March 31, 2015
By
Interactive pivot tables with R

I love interactive pivot tables. That is the number one reason why I keep using spreadsheet software. The ability to look at data quickly in lots of different ways, without a single line of code helps me to get an understanding of the data really fast...

Read more »

Improved memory usage and RJSONIO compatibility in jsonlite 0.9.15

March 30, 2015
By
Improved memory usage and RJSONIO compatibility in jsonlite 0.9.15

The jsonlite package implements a robust, high performance JSON parser and generator for R, optimized for statistical data and the web. Last week version 0.9.15 appeared on CRAN which improves memory usage and compatibility with other packages. Migrating to jsonlite The upcoming release of shiny will switch from RJSONIO to jsonlite. To...

Read more »

Data Visualization cheatsheet, plus Spanish translations

March 30, 2015
By
Data Visualization cheatsheet, plus Spanish translations

We’ve added a new cheatsheet to our collection. Data Visualization with ggplot2 describes how to build a plot with ggplot2 and the grammar of graphics. You will find helpful reminders of how to use: geoms stats scales coordinate systems facets position adjustments legends, and themes The cheatsheet also documents tips on zooming. Download the cheatsheet

Read more »

R Stats + Digital Analytics: 8 Blogs you should Follow

March 29, 2015
By
R Stats + Digital Analytics: 8 Blogs you should Follow

Are you interested in using R for your digital analytics projects? Do you need to perform prediction modelling and visualizations on your digital data and Excel can´t just do the job as you wanted?Or, you simply have no idea how R could help you in your digital analytics problems and you would like to see some real working examples...

Read more »

Makefiles and RMarkdown

March 28, 2015
By
Makefiles and RMarkdown

Quite some time ago (October 2013, according to Amazon), I bought a copy of “Reproducible Research with R and RStudio” by Christopher Gandrud. And it was awesome. Since then, I’ve been using knitr and RMarkdown quite a lot. However, until recently, I never bothered with a makefile. At the time, I had assumed that it

Read more »

Parallel R with BatchJobs

March 28, 2015
By
Parallel R with BatchJobs

Parallelizing R with BatchJobs – An example using k-means Gord Sissons, Feng Li Many simulations in R are long running. Analysis of statistical algorithms can generate workloads that run for hours if not days tying up a single computer. Given the amount of time R programmers can spend waiting for results, getting acquainted parallelism makes

Read more »

Interactive Maps for John Snow’s Cholera Data

March 28, 2015
By
Interactive Maps for John Snow’s Cholera Data

This week, in Istanbul, for the second training on data science, we’ve been discussing classification and regression models, but also visualisation. Including maps. And we did have a brief introduction to the  leaflet package, devtools::install_github("rstudio/leaflet") require(leaflet) To see what can be done with that package, we will use one more time the John Snow’s cholera dataset, discussed in previous...

Read more »

Pre-CRAN waffle update – isotype pictograms

March 26, 2015
By
Pre-CRAN waffle update – isotype pictograms

It seems Ruben C. Arslan had the waffle idea about the same time I did. Apart from some extra spiffy XKCD-like styling, one other thing his waffling routines allowed for was using FontAwesome icons. When you use an icon vs a block, you are really making a basic version of isotype pictograms. They can add

Read more »