You are currently browsing the category archive for the ‘Featured’ category.

We’re thrilled to officially introduce the newest product in RStudio’s product lineup: RStudio Connect.

You can download a free 45-day trial of it here.

RStudio Connect is a new publishing platform for all the work your teams do in R. It provides a single destination for your Shiny applications, R Markdown documents, interactive HTML widgets, static plots, and more.

RStudio Connect Settings

RStudio Connect isn’t just for R users. Now anyone can interact with custom built analytical data products developed by R users without having to program in R themselves. Team members can receive updated reports built on the same models/forecasts which can be configured to be rebuilt and distributed on a scheduled basis. RStudio Connect is designed to bring the power of data science to your entire enterprise.

RStudio Connect empowers analysts to share and manage the content they’ve created in R. Users of the RStudio IDE can publish content to RStudio Connect with the click of a button and immediately be able to manage that content from a user-friendly web application: setting access controls and performance settings and viewing the logs of the associated R processes on the server.

Deploying content from the RStudio IDE into RStudio Connect

RStudio Connect is on-premises software that you can install on a server behind your firewall ensuring that your data and R applications never have to leave your organization’s control. We integrate with many enterprise authentication platform including LDAP/Active Directory, Google OAuth, PAM, and proxied authentication. We also provide an option to use an internal username/password system complete with user self-sign-up.

RStudio Connect Admin Metrics

RStudio Connect has been in Beta for almost a year. We’ve had hundreds of customers validate and help us improve the software in that time. In November, we made RStudio Connect generally available without significant fanfare and began to work with Beta participants and existing RStudio customers eager to move it into their production environments. We are pleased that innovative early customers, like AdRoll, have already successfully introduced RStudio Connect into their data science process.

“At AdRoll, we have used the open source version of Shiny Server for years to great success but deploying apps always served as a barrier for new users. With RStudio Connect’s push button deployment from the RStudio IDE, the number of shiny devs has grown tremendously both in engineering and across teams completely new to shiny like finance and marketing. It’s been really powerful for those just getting started to be able to go from developing locally to sharing apps with others in just seconds.”

– Bryan Galvin, Senior Data Scientist, AdRoll

We invite you to take a look at RStudio Connect today, too!

You can find more details or download a 45 day evaluation of the product at https://www.rstudio.com/products/connect/. Additional resources can be found below.

On October 12, RStudio launched R Views with great enthusiasm. R Views is a new blog for R users about the R Community and the R Language. Under the care of editor-in-chief and new RStudio ambassador-at-large, Joseph Rickert, R Views provides a new perspective on R and RStudio that we like to think will become essential reading for you.

You may have read an R Views post already. In the first, widely syndicated, post, Joseph interviewed J.J. Allaire, RStudio’s founder, CEO and most prolific software developer. Later posts by Mine Cetinkaya-Rundel on Highcharts and thoughtful book reviews, new R package picks, and a primer on Naive Bayes from Joseph rounded out the first month. Each post was entirely different from anything you could have read here, on what we now call our Developer Blog at rstudio.org.

Fortunately, you don’t have to choose. Each has its purpose. Our Developer Blog is the place to go for RStudio news. You’ll find product announcements, events, and company happenings – like the announcement of a new blog – right here. R Views is about R in action. You’ll find stories and solutions and opinions that we hope will educate and challenge you.

Subscribe to each and stay up to date on all things R and RStudio!

Thanks for making R and RStudio part of your data science experience and for supporting our work.

rstudio::conf 2017, the conference on all things R and RStudio, is only 90 days away. Now is the time to claim your spot or grab one of the few remaining seats at Training Days – including the new Tidyverse workshop.

REGISTER NOW

Whether you’re already registered or still working on it, we’re delighted today to announce the full conference schedule, so that you can plan your days in Florida.

rstudio::conf 2017 takes place January 12-14 at the Gaylord Resorts in Kissimmee, Florida. There are over 30 talks and tutorials to choose from that are sure to accelerate your productivity in R and RStudio. In addition to the highlights below, topics include the latest news on R notebooks, sparklyr, profiling, the tidyverse, shiny, r markdown, html widgets, data access and the new enterprise-scale publishing capabilities of RStudio Connect.

Schedule Highlights

Keynotes
– Hadley Wickham, Chief Scientist, RStudio: Data Science in the Tidyverse
– Andrew Flowers, Economics Writer, FiveThirtyEight: Finding and Telling Stories with R
– J.J. Allaire, Software Engineer, CEO & Founder: RStudio Past, Present and Future

Tutorials
– Winston Chang, Software Engineer, RStudio: Building Dashboards with Shiny
– Charlotte Wickham, Oregon State University: Happy R Users Purrr
– Yihui Xie, Software Engineer, RStudio: Advanced R Markdown
– Jenny Bryan, University of British Columbia: Happy Git and GitHub for the UseR

Featured Speakers
– Max Kuhn, Senior Director Non-Clinical Statistics, Pfizer
– Dirk Eddelbuettel, Ketchum Trading: Extending R with C++: A Brief Introduction to Rcpp
– Hilary Parker, Stitch Fix: Opinionated Analysis Development“
Bryan Lewis, Paradigm4: “Fun with htmlwidgets”
Ryan Hafen, Hafen Consulting: “Interactive plotting with rbokeh and crosstalk”
Julia Silge, Datassist: “Text mining, the tidy way”
Bob Rudis, Rapid7: “Writing readable code with pipes”

Featured Talk
– Joseph Rickert, R Ambassador, RStudio: R’s Role in Data Science

Be sure to visit https://www.rstudio.com/conference/ for the full schedule and latest updates and don’t forget to download the RStudio conference app to help you plan your days in detail.

Special Reminder: When you register, make sure you purchase your ticket for Friday evening at Universal’s Wizarding World of Harry Potter. The park is reserved exclusively for rstudio::conf attendees. It’s an extraordinary experience we’re sure you’ll enjoy!

We appreciate our sponsors and exhibitors!

Today we’re excited to announce R Notebooks, which add a powerful notebook authoring engine to R Markdown. Notebook interfaces for data analysis have compelling advantages including the close association of code and output and the ability to intersperse narrative with computation. Notebooks are also an excellent tool for teaching and a convenient way to share analyses.

screen-shot-2016-09-21-at-3-42-44-pm

You can try out R Notebooks today in the RStudio Preview Release.

Interactive R Markdown

As an authoring format, R Markdown bears many similarities to traditional notebooks like Jupyter and Beaker. However, code in notebooks is typically executed interactively, one cell at a time, whereas code in R Markdown documents is typically executed in batch.

R Notebooks bring the interactive model of execution to your R Markdown documents, giving you the capability to work quickly and iteratively in a notebook interface without leaving behind the plain-text tools and production-quality output you’ve come to rely on from R Markdown.

R Markdown Notebooks Traditional Notebooks
Plain text representation
Same editor/tools used for R scripts
Works well with version control
Focus on production output
Output inline with code
Output cached across sessions
Share code and output in a single file
Emphasized execution model Interactive & Batch Interactive

This video provides a bit more background and a demonstration of notebooks in action:

Iterate Quickly

In a typical R Markdown document, you must re-knit the document to see your changes, which can take some time if it contains non-trivial computations. R Notebooks, however, let you run code and see the results in the document immediately. They can include just about any kind of content R produces, including console output, plots, data frames, and interactive HTML widgets.

screen-shot-2016-09-20-at-4-16-47-pm

You can see the progress of the code as it runs:

screen-shot-2016-09-21-at-10-52-02-am

You can preview the results of individual inline expressions, too:

notebook-inline-output

Even your LaTeX equations render in real-time as you type:

notebook-mathjax

This focused mode of interaction doesn’t require you to keep the console, viewer, or output panes open. Everything you need is at your fingertips in the editor, reducing distractions and helping you concentrate on your analysis. When you’re done, you’ll have a formatted, reproducible record of what you’ve accomplished, with plenty of context, perfect for your own records or sharing with others.

Batteries Included

R Notebooks can run more than just R code. You can run chunks written in other languages, like Python, Bash, or C++ (Rcpp).

screen-shot-2016-09-20-at-4-25-48-pm

It’s even possible to run SQL directly:

notebook-sql

This makes an R Notebook an excellent tool for orchestrating a reproducible, end-to-end data analysis workflow; you can easily ingest data using your tool of choice, and share data among languages by using packages like feather, or ordinary CSV files.

Reproducible Notebooks

While you can run chunks (and even individual lines of R code!) in any order you like, a fully reproducible document must be able to be re-executed start-to-finish in a clean environment. There’s a built-in command to do this, too, so it’s easy to test your notebooks for reproducibility.

screen-shot-2016-09-21-at-3-52-34-pm

Rich Output Formats

Since they’re built on R Markdown, R Notebooks work seamlessly with other R Markdown output types. You can use any existing R Markdown document as a notebook, or render (knit) a notebook to any R Markdown output type.

notebook-yaml

The same document can be used as a notebook when you’re quickly iterating on ideas and later rendered to a wholly different format for publication – no duplication of code, data, or output required.

Share and Publish

R Notebooks are easy to share with collaborators. Because they’re plain-text files, they work well with version control systems like Git. Your collaborators don’t even need RStudio to edit them, since notebooks can be rendered in the R console using the open source rmarkdown package.

Rendered notebooks can be previewed right inside RStudio:

notebook-preview

While the notebook preview looks similar to a rendered R Markdown document, the notebook preview does not execute any of your R code chunks; it simply shows you a rendered copy of the markdown in your document along with the most recent chunk output. Because it’s very fast to generate this preview (again, no R code is executed), it’s generated every time you save the R Markdown document.

The generated HTML file has the special extension .nb.html. It is self-contained, free of dependencies, and can be viewed locally or published to any static web hosting service.

screen-shot-2016-09-14-at-12-12-35-pm

It also includes a bundled copy of the R Markdown source file, so it can be seamlessly opened in RStudio to resume work on the notebook with all output intact.

Try It Out

To try out R Notebooks, you’ll need to download the latest RStudio Preview Release.

You can find documentation on notebook features on the R Notebooks page on the R Markdown website, and we’ve also published a video tutorial in our R Notebooks Webinar.

We believe the R Notebook will become a powerful new addition to your toolkit. Give it a spin and let us know what you think!

We’re excited today to announce sparklyr, a new package that provides an interface between R and Apache Spark.

Over the past couple of years we’ve heard time and time again that people want a native dplyr interface to Spark, so we built one! sparklyr also provides interfaces to Spark’s distributed machine learning algorithms and much more. Highlights include:

  • Interactively manipulate Spark data using both dplyr and SQL (via DBI).
  • Filter and aggregate Spark datasets then bring them into R for analysis and visualization.
  • Orchestrate distributed machine learning from R using either Spark MLlib or H2O SparkingWater.
  • Create extensions that call the full Spark API and provide interfaces to Spark packages.
  • Integrated support for establishing Spark connections and browsing Spark data frames within the RStudio IDE.

We’re also excited to be working with several industry partners. IBM is incorporating sparklyr into their Data Science Experience, Cloudera is working with us to ensure that sparklyr meets the requirements of their enterprise customers, and H2O has provided an integration between sparklyr and H2O Sparkling Water.

Getting Started

You can install sparklyr from CRAN as follows:

install.packages("sparklyr")

You should also install a local version of Spark for development purposes:

library(sparklyr)
spark_install(version = "1.6.2")

If you use the RStudio IDE, you should also download the latest preview release of the IDE which includes several enhancements for interacting with Spark.

Extensive documentation and examples are available at http://spark.rstudio.com.

Connecting to Spark

You can connect to both local instances of Spark as well as remote Spark clusters. Here we’ll connect to a local instance of Spark:

library(sparklyr)
sc <- spark_connect(master = "local")

The returned Spark connection (sc) provides a remote dplyr data source to the Spark cluster.

Reading Data

You can copy R data frames into Spark using the dplyr copy_to function (more typically though you’ll read data within the Spark cluster using the spark_read family of functions). For the examples below we’ll copy some datasets from R into Spark (note that you may need to install the nycflights13 and Lahman packages in order to execute this code):

library(dplyr)
iris_tbl <- copy_to(sc, iris)
flights_tbl <- copy_to(sc, nycflights13::flights, "flights")
batting_tbl <- copy_to(sc, Lahman::Batting, "batting")

Using dplyr

We can now use all of the available dplyr verbs against the tables within the cluster. Here’s a simple filtering example:

# filter by departure delay
flights_tbl %>% filter(dep_delay == 2)

Introduction to dplyr provides additional dplyr examples you can try. For example, consider the last example from the tutorial which plots data on flight delays:

delay <- flights_tbl %>% 
  group_by(tailnum) %>%
  summarise(count = n(), dist = mean(distance), delay = mean(arr_delay)) %>%
  filter(count > 20, dist < 2000, !is.na(delay)) %>%
  collect()

# plot delays
library(ggplot2)
ggplot(delay, aes(dist, delay)) +
  geom_point(aes(size = count), alpha = 1/2) +
  geom_smooth() +
  scale_size_area(max_size = 2)
Note that while the dplyr functions shown above look identical to the ones you use with R data frames, with sparklyr they use Spark as their back end and execute remotely in the cluster.

Window Functions

dplyr window functions are also supported, for example:

batting_tbl %>%
  select(playerID, yearID, teamID, G, AB:H) %>%
  arrange(playerID, yearID, teamID) %>%
  group_by(playerID) %>%
  filter(min_rank(desc(H)) <= 2 & H > 0)

For additional documentation on using dplyr with Spark see the dplyr section of the sparklyr website.

Using SQL

It’s also possible to execute SQL queries directly against tables within a Spark cluster. The spark_connection object implements a DBI interface for Spark, so you can use dbGetQuery to execute SQL and return the result as an R data frame:

library(DBI)
iris_preview <- dbGetQuery(sc, "SELECT * FROM iris LIMIT 10")

Machine Learning

You can orchestrate machine learning algorithms in a Spark cluster via either Spark MLlib or via the H2O Sparkling Water extension package. Both provide a set of high-level APIs built on top of DataFrames that help you create and tune machine learning workflows.

Spark MLlib

In this example we’ll use ml_linear_regression to fit a linear regression model. We’ll use the built-in mtcars dataset, and see if we can predict a car’s fuel consumption (mpg) based on its weight (wt) and the number of cylinders the engine contains (cyl). We’ll assume in each case that the relationship between mpg and each of our features is linear.

# copy mtcars into spark
mtcars_tbl <- copy_to(sc, mtcars)

# transform our data set, and then partition into 'training', 'test'
partitions <- mtcars_tbl %>%
  filter(hp >= 100) %>%
  mutate(cyl8 = cyl == 8) %>%
  sdf_partition(training = 0.5, test = 0.5, seed = 1099)

# fit a linear model to the training dataset
fit <- partitions$training %>%
  ml_linear_regression(response = "mpg", features = c("wt", "cyl"))

For linear regression models produced by Spark, we can use summary() to learn a bit more about the quality of our fit, and the statistical significance of each of our predictors.

summary(fit)

Spark machine learning supports a wide array of algorithms and feature transformations, and as illustrated above it’s easy to chain these functions together with dplyr pipelines. To learn more see the Spark MLlib section of the sparklyr website.

H2O Sparkling Water

Let’s walk the same mtcars example, but in this case use H2O’s machine learning algorithms via the H2O Sparkling Water extension. The dplyr code used to prepare the data is the same, but after partitioning into test and training data we call h2o.glm rather than ml_linear_regression:

# convert to h20_frame (uses the same underlying rdd)
training <- as_h2o_frame(partitions$training)
test <- as_h2o_frame(partitions$test)

# fit a linear model to the training dataset
fit <- h2o.glm(x = c("wt", "cyl"),
               y = "mpg",
               training_frame = training,
               lamda_search = TRUE)

# inspect the model
print(fit)

For linear regression models produced by H2O, we can use either print() or summary() to learn a bit more about the quality of our fit. The summary() method returns some extra information about scoring history and variable importance.

To learn more see the H2O Sparkling Water section of the sparklyr website.

Extensions

The facilities used internally by sparklyr for its dplyr and machine learning interfaces are available to extension packages. Since Spark is a general purpose cluster computing system there are many potential applications for extensions (e.g. interfaces to custom machine learning pipelines, interfaces to 3rd party Spark packages, etc.).

The sas7bdat extension enables parallel reading of SAS datasets in the sas7bdat format into Spark data frames. The rsparkling extension provides a bridge between sparklyr and H2O’s Sparkling Water.

We’re excited to see what other sparklyr extensions the R community creates. To learn more see the Extensions section of the sparklyr website.

RStudio IDE

The latest RStudio Preview Release of the RStudio IDE includes integrated support for Spark and the sparklyr package, including tools for:

  • Creating and managing Spark connections
  • Browsing the tables and columns of Spark DataFrames
  • Previewing the first 1,000 rows of Spark DataFrames

Once you’ve installed the sparklyr package, you should find a new Spark pane within the IDE. This pane includes a New Connection dialog which can be used to make connections to local or remote Spark instances:

Once you’ve connected to Spark you’ll be able to browse the tables contained within the Spark cluster:

The Spark DataFrame preview uses the standard RStudio data viewer:

The RStudio IDE features for sparklyr are available now as part of the RStudio Preview Release. The final version of RStudio IDE that includes integrated support for sparklyr will ship within the next few weeks.

Partners

We’re very pleased to be joined in this announcement by IBM, Cloudera, and H2O, who are working with us to ensure that sparklyr meets the requirements of enterprise customers and is easy to integrate with current and future deployments of Spark.

IBM

“With our latest contributions to Apache Spark and the release of sparklyr, we continue to emphasize R as a primary data science language within the Spark community. Additionally, we are making plans to include sparklyr in Data Science Experience to provide the tools data scientists are comfortable with to help them bring business-changing insights to their companies faster,” said Ritika Gunnar, vice president of Offering Management, IBM Analytics.

Cloudera

“At Cloudera, data science is one of the most popular use cases we see for Apache Spark as a core part of the Apache Hadoop ecosystem, yet the lack of a compelling R experience has limited data scientists’ access to available data and compute,” said Charles Zedlewski, vice president, Products at Cloudera. “We are excited to partner with RStudio to help bring sparklyr to the enterprise, so that data scientists and IT teams alike can get more value from their existing skills and infrastructure, all with the security, governance, and management our customers expect.”

H2O

“At H2O.ai, we’ve been focused on bringing the best of breed open source machine learning to data scientists working in R & Python. However, the lack of robust tooling in the R ecosystem for interfacing with Apache Spark has made it difficult for the R community to take advantage of the distributed data processing capabilities of Apache Spark.

We’re excited to work with RStudio to bring the ease of use of dplyr and the distributed machine learning algorithms from H2O’s Sparkling Water to the R community via the sparklyr & rsparkling packages”

The JSM conference in Chicago, July 31 thru August 4, 2016, is one of the largest to be found on statistics, with many terrific talks for R users. We’ve listed some of the sessions that we’re particularly excited about below. These include talks from RStudio employees, like Hadley Wickham, Yihui Xie, Mine Cetinkaya-Rundel, Garrett Grolemund, and Joe Cheng, but also include a bunch of other talks about R that we think look interesting.

When you’re not in one of the sessions below, please visit us in the exhibition area, booth #126-128. We’ll have copies of all our cheat sheets and stickers, and it’s a great place to learn about the other stuff we’ve been working on lately:  from Sparklyr and R Markdown Notebooks to the latest in RStudio Server Pro, Shiny Server Pro, shinyapps.io, RStudio Connect (beta) and more!

Another great place to chat with people interested in R is the Statistical Computing and Graphics Mixer at 6pm on Monday in the Hilton Stevens Salon A4. It’s advertised as a business meeting in the program, but don’t let that put you off – it’s open to all.

SUNDAY

Session 21: Statistical Computing and Graphics Student Awards
Sunday, July 31, 2016 : 2:00 PM to 3:50 PM, CC-W175b

Session 47 Making the Most of R Tools
Hadley Wickham, RStudio (Discussant)
Sunday, July 31, 2016: 4:00 PM to 4:50 PM, CC-W183b

Thinking with Data Using R and RStudio: Powerful Idioms for Analysts
Nicholas Jon Horton, Amherst College; Randall Pruim, Calvin College ; Daniel Kaplan, Macalester College
Transform Your Workflow and Deliverables with Shiny and R Markdown
Garrett Grolemund, RStudio

Session 54 Recent Advances in Information Visualization
Yihui Xie, RStudio (organizer)
Sunday, July 31, 2016: 4:00 PM to 4:50 PM, CC-W183c

Session 85 Reproducibility Promotes Transparency, Efficiency, and Aesthetics
Richard Schwinn
Sunday, July 31, 2016 : 5:35 PM to 5:50 PM, CC-W176a

Session 88 Communicate Better with R, R Markdown, and Shiny
Garrett Grolemund, RStudio (Poster Session)
Sunday, July 31, 2016: 6:00 PM to 8:00 PM, CC-Hall F1 West

MONDAY

Session 106  Linked Brushing in R
Hadley Wickham, RStudio
Monday, August 1, 2016 : 8:35 AM to 8:55 AM, CC-W196b

Session 127 R Tools for Statistical Computing
Monday, August 1, 2016 : 8:30 AM to 10:20 AM, CC-W196c

8:35 AM The Biglasso Package: Extending Lasso Model Fitting to Big Data in R — Yaohui Zeng, University of Iowa ; Patrick Breheny, University of Iowa
8:50 AM Independent Sampling for a Spatial Model with Incomplete Data — Harsimran Somal, University of Iowa ; Mary Kathryn Cowles, University of Iowa
9:05 AM Introduction to the TextmineR Package for R — Thomas Jones, Impact Research
9:20 AM Vector-Generalized Time Series Models — Victor Miranda Soberanis, University of Auckland ; Thomas Yee, University of Auckland
9:35 AM New Computational Approaches to Large/Complex Mixed Effects Models — Norman Matloff, University of California at Davis
9:50 AM Broom: An R Package for Converting Statistical Modeling Objects Into Tidy Data Frames — David G. Robinson, Stack Overflow
10:05 AM Exact Parametric and Nonparametric Likelihood-Ratio Tests for Two-Sample Comparisons — Yang Zhao, SUNY Buffalo ; Albert Vexler, SUNY Buffalo ; Alan Hutson, SUNY Buffalo ; Xiwei Chen, SUNY Buffalo

Session 270 Automated Analytics and Data Dashboards for Evaluating the Impacts of Educational Technologies
Daniel Stanhope and Joyce Yu and Karly Rectanus
Monday, August 1, 2016 : 3:05 PM to 3:50 PM, CC-Hall F1 West

TUESDAY

Session 276 Statistical Tools for Clinical Neuroimaging
Ciprian Crainiceanu
Tuesday, August 2, 2016 : 7:00 AM to 8:15 AM, CC-W375a

Session 332 Doing More with Data in and Outside the Undergraduate Classroom
Mine Cetinkaya-Rundel, Duke University (organizer)
Tuesday, August 2, 2016 : 10:30 AM to 12:20 PM, CC-W184bc

Session 407 Interactive Visualizations and Web Applications for Analytics
Tuesday, August 2, 2016 : 2:00 PM to 3:50 PM, CC-W179a

2:05 PM Radiant: A Platform-Independent Browser-Based Interface for Business Analytics in R — Vincent Nijs, Rady School of Management
2:20 PM Rbokeh: An R Interface to the Bokeh Plotting Library — Ryan Hafen, Hafen Consulting
2:35 PM Composable Linked Interactive Visualizations in R with Htmlwidgets and Shiny — Joseph Cheng, RStudio
2:50 PM Papayar: A Better Interactive Neuroimage Plotter in R — John Muschelli, The Johns Hopkins University
3:05 PM Interactive and Dynamic Web-Based Graphics for Data Analysis — Carson Sievert, Iowa State University
3:20 PM HTML Widgets: Interactive Visualizations from R Made Easy! — Yihui Xie, RStudio ; Ramnath Vaidyanathan, Alteryx

WEDNESDAY

Session 475  Steps Toward Reproducible Research
Yihui Xie, RStudio  (Discussant)
Wednesday, August 3, 2016 : 8:30 AM to 10:20 AM, CC-W196c

8:35 AM Reproducibility for All and Our Love/Hate Relationship with Spreadsheets — Jennifer Bryan, University of British Columbia
8:55 AM Steps Toward Reproducible Research — Karl W. Broman, University of Wisconsin – Madison
9:15 AM Enough with Trickle-Down Reproducibility: Scientists, Open This Gate! Scientists, Tear Down This Wall! — Karthik Ram, University of California at Berkeley
9:35 AM Integrating Reproducibility into the Undergraduate Statistics Curriculum — Mine Cetinkaya-Rundel, Duke University

Session 581 Mining Text in R
David Marchette, Naval Surface Warfare Center
Wednesday, August 3, 2016 : 2:05 PM to 2:40 PM, CC-W180

THURSDAY

Session 696 Statistics for Social Good
Hadley Wickham, RStudio (Chair)
Thursday, August 4, 2016 : 10:30 AM to 12:20 PM, CC-W179a

Session 694 Web Application Teaching Tools for Statistics Using R and Shiny
Jimmy Doi and Gail Potter and Jimmy Wong and Irvin Alcaraz and Peter Chi
Thursday, August 4, 2016 : 11:05 AM to 11:20 AM, CC-W192a

Following our initial and very gratifying Shiny Developer Conference this past January, which sold out in a few days, RStudio is very excited to announce a new and bigger conference today!

rstudio::conf, the conference about all things R and RStudio, will take place January 13 and 14, 2017 in Orlando, Florida. The conference will feature talks and tutorials from popular RStudio data scientists and developers like Hadley Wickham, Yihui Xie, Joe Cheng, Winston Chang, Garrett Grolemund, and J.J. Allaire, along with lightning talks from RStudio partners and customers.

Preceding the conference, on January 11 and 12, RStudio will offer two days of optional training. Training attendees can choose from Hadley Wickham’s Master R training, a new Intermediate Shiny workshop from Shiny creator Joe Cheng or a new workshop from Garrett Grolemund that is based on his soon-to-be-published book with Hadley: Introduction to Data Science with R.

rstudio::conf is for R and RStudio users who want to learn how to write better shiny applications in a better way, explore all the new capabilities of the R Markdown authoring framework, apply R to big data and work effectively with Spark, understand the RStudio toolchain for data science with R, discover best practices and tips for coding with RStudio, and investigate enterprise scale development and deployment practices and tools, including the new RStudio Connect.

Not to be missed, RStudio has also reserved Universal Studio’s The Wizarding World of Harry Potter on Friday night, January 13, for the exclusive use of conference attendees!

Conference attendance is limited to 400. Training is limited to 70 students for each of the three 2-day workshops. All seats are are available on a first-come, first-serve basis.

Please go to http://www.rstudio.com/conference to purchase.

We hope to see you in Florida at rstudio::conf 2017!

For questions or issues registering, please email conf@rstudio.com. To ask about sponsorship opportunities contact anne@rstudio.com.

Update Nov 2 2015: Wow, that was fast. Registration is full. If you add yourself to the waitlist, we’ll contact you first if/when we do this conference again.

In the three years since we launched Shiny, our focus has been on helping people get started with Shiny. But there’s a huge difference between using Shiny and using it well, and we want to start getting serious about helping people use Shiny most effectively. It’s the difference between having apps that merely work, and apps that are performant, robust, and maintainable.

That’s why RStudio is thrilled to announce the first ever Shiny Developer Conference, to be held at Stanford University on January 30-31, 2016, three months from today. We’ll skip past the basics, and dig into principles and practices that will simultaneously simplify and improve the robustness of your code. We’ll introduce you to some brand new tools we’ve created to help you build ever larger and more complex apps. And we’ll show you what to do if things go wrong.

Check out the agenda to see the complete lineup of speakers and talks.

We’re capping the conference at just 90 people, so if you’d like to level up your Shiny skills, register now at http://shiny2016.eventbrite.com.

Hope to see you there!


Note that this conference is intended for R users who are already comfortable writing Shiny apps. We won’t cover the basics of Shiny app creation at all. If you’re looking to get started with Shiny, please see our tutorial.

We’re pleased to announce that the final version of RStudio v0.99 is available for download now. Highlights of the release include:

  • A new data viewer with support for large datasets, filtering, searching, and sorting.
  • Complete overhaul of R code completion with many new features and capabilities.
  • The source editor now provides code diagnostics (errors, warnings, etc.) as you work.
  • User customizable code snippets for automating common editing tasks.
  • Tools for Rcpp: completion, diagnostics, code navigation, find usages, and automatic indentation.
  • Many additional source editor improvements including multiple cursors, tab re-ordering, and several new themes.
  • An enhanced Vim mode with visual block selection, macros, marks, and subset of : commands.

There are also lots of smaller improvements and bug fixes across the product. Check out the v0.99 release notes for details on all of the changes.

Data Viewer

We’ve completely overhauled the data viewer with many new capabilities including live update, sorting and filtering, full text searching, and no row limit on viewed datasets.

data-viewer

See the data viewer documentation for more details.

Code Completion

Previously RStudio only completed variables that already existed in the global environment. Now completion is done based on source code analysis so is provided even for objects that haven’t been fully evaluated:

completion-scopes

Completions are also provided for a wide variety of specialized contexts including dimension names in [ and [[:

completion-bracket

Code Diagnostics

We’ve added a new inline code diagnostics feature that highlights various issues in your R code as you edit.

For example, here we’re getting a diagnostic that notes that there is an extra parentheses:

Screen Shot 2015-04-08 at 12.04.14 PM

Here the diagnostic indicates that we’ve forgotten a comma within a shiny UI definition:

diagnostics-comma

A wide variety of diagnostics are supported, including optional diagnostics for code style issues (e.g. the inclusion of unnecessary whitespace). Diagnostics are also available for several other languages including C/C++, JavaScript, HTML, and CSS. See the code diagnostics documentation for additional details.

Code Snippets

Code snippets are text macros that are used for quickly inserting common snippets of code. For example, the fun snippet inserts an R function definition:

Insert Snippet

If you select the snippet from the completion list it will be inserted along with several text placeholders which you can fill in by typing and then pressing Tab to advance to the next placeholder:

Screen Shot 2015-04-07 at 10.44.39 AM

Other useful snippets include:

  • lib, req, and source for the library, require, and source functions
  • df and mat for defining data frames and matrices
  • if, el, and ei for conditional expressions
  • apply, lapply, sapply, etc. for the apply family of functions
  • sc, sm, and sg for defining S4 classes/methods.

See the code snippets documentation for additional details.

Try it Out

RStudio v0.99 is available for download now. We hope you enjoy the new release and as always please let us know how it’s working and what else we can do to make the product better.

RStudio is happy to announce the availability of the shinyapps.io beta.

Shinyapps.io is an easy to use, secure, and scalable hosted service already being used by thousands of professionals and students to deploy Shiny applications on the web. Today we are releasing a significant upgrade as we transition from alpha to beta, the final step before general availability (GA) later this quarter.

New Feature Highlights in shinyapps.io beta

  • Secure and manage authorized users with support for new authentication systems, including Google, GitHub, or a shinyapps.io account.
  • Tune application performance by controlling the resources available. Run multiple R processes per application instance and add application instances.
  • Track performance metrics and simplify application management in a new shinyapps.io dashboard. See an application’s active connections, CPU, memory, and network usage. Review application logs, start, stop, restart, rebuild and archive applications all from one convenient place.

During the beta period, these and all other features in shinyapps.io are available at no charge. At the end of the beta, users may subscribe to a plan of their choice or transition their applications to the free plan.

If you do not already have an account, we encourage anyone developing Shiny applications to consider shinyapps.io beta and appreciate any and all feedback on our features or proposed packaging and pricing.

Happy New Year!