1254 search results for "RStudio"

R in Business Intelligence

January 18, 2015
By

Business Intelligence (BI) can be simply described as extracting useful informations from the data. This is quite a broad process as the source data structure (and quality) can vary, as well the useful information structure can vary. More technically process of such transformation can be described as ETL (extract, transform, load), plus presentation of the useful information. The...

Read more »

Running UBSAN tests via clang with Rocker

January 18, 2015
By

Every now and then we get reports from CRAN about our packages failing a test there. A challenging one concerns UBSAN, or Undefined Behaviour Sanitizer. For background on UBSAN, see this RedHat blog post for gcc and this one from LLVM about clang. I had written briefly about this before in a blog post introducing the...

Read more »

shinyEvents: build shiny apps with event handlers

January 15, 2015
By
shinyEvents: build shiny apps with event handlers

RStudio's shiny is a great framework to generate web applications with R. In a classical shiny app, interactivity is not generated via event handlers but by reactive programming. For details, see the shiny documentation and tutorials under http://shiny.rstudio.com/. While shiny's reactive programming model is great for smaller apps, I personally found it less useful for bigger applications that create...

Read more »

Debugging with restore points instead of break points

January 14, 2015
By
Debugging with restore points instead of break points

break points and restore points The standard method to debug an R function is to set break points via the browser function. When during execution of the function, browser() is called, the R console immediately changes into an interactive debugging mode that allows to step through the code and enter any R expressions. Thanks to RStudio's visual debugging support, this...

Read more »

Interactive R Notebooks on powerful cloud hardware

January 13, 2015
By
Interactive R Notebooks on powerful cloud hardware

by Nick Elprin Co-Founder Domino Data Lab "R Notebooks" use the IPython Notebook UI to run R (rather than Python) in notebook cells, giving you an interactive R environment hosted on scalable servers, accessible through a web browser. This post describes how and why we built our "R Notebooks" feature. Our product, Domino, is a platform that facilitates the...

Read more »

Creating WEB APPS WITH SHINY – REACTIVE GRAPH OF AVERAGE US HOUSEHOLD INCOME BY RACE

January 13, 2015
By
Creating WEB APPS WITH SHINY – REACTIVE GRAPH OF AVERAGE US HOUSEHOLD INCOME BY RACE

I finally finished my first Shiny application! You can click this link to check it out. Below is a screenshot of what it looks like. I got all the data from the United States Census Bureau website. What the app does is provide a comparison of average income by race for...

Read more »

Join and set operations come to dplyr

January 12, 2015
By

The team at RStudio have just released an update to the immensely useful dplyr package, making it even more powerful for manipulating data frame data in R. The new 0.4.0 version adds new "verbs" to the syntax for mutating joins (left join, right join, etc.), filtering joins, and set operations (intersection and union). There's also some new documentation to...

Read more »

Secure your Shiny apps (against SQL injection)

January 12, 2015
By

Shiny takes inputs from UI elements and sends them to the server, where the application...

Read more »

dplyr 0.4.0

January 9, 2015
By
dplyr 0.4.0

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 have particularly improved since dplyr

Read more »

RMySQL 0.10.0

January 9, 2015
By
RMySQL 0.10.0

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, but no longer has time

Read more »