1002 search results for "RStudio"

Population Databrowser

May 14, 2014
By
Population Databrowser

This entry is part 13 of 13 in the series Using RAt Mazama Science we produce web based tools for interrogating important datasets. We are proud to announce the release of a new Population databrowser that allows users to review …   read more ...

Read more »

Running R on 32 cores for 2USD/h

May 14, 2014
By

Even though most modern computers already have four cores that can be used to speed up analysis – see here for a description. However, after starting to do more simulation studies it became apparent that this is highly impractical. The solution: Running R via R-studio on Amazons cloud servers. Thanks to Lois Aslett (http://www.louisaslett.com/RStudio_AMI/) this

Read more »

Cluster your Twitter Data with R and k-means

May 13, 2014
By
Cluster your Twitter Data with R and k-means

Hello everbody! Today  I want to show you how you can get deeper insights into your Twitter followers with the help of R. Because I just completed the course “Machine Learning” by Prof. Andrew Ng on Coursera I will use the k-means algorithm and cluster my Twitter followers by the ratio of their followers and how …

Read more »

Facebook teaches you exploratory data analysis with R

May 12, 2014
By

Facebook is a company that deals with a lot of data — more than 500 terabytes a day — and R is widely used at Facebook to visualize and analyze that data. Applications of R at Facebook include user behaviour, content trends, human resources and even graphics for the IPO prospectus. Now, four R users at Facebook (Moira Burke,...

Read more »

d3Network Plays Nice with Shiny Web Apps

May 9, 2014
By
d3Network Plays Nice with Shiny Web Apps

After some delay (and because of helpful prompting by Giles Heywood and code contributions by John Harrison) d3Network now plays nicely with Shiny web apps. This means you can fully integrate R/D3.js network graphs into your web apps. Here is what one ...

Read more »

New Shiny article: Style your apps with CSS

May 7, 2014
By
New Shiny article: Style your apps with CSS

Shiny apps use an HTML interface, which means that you can change the visual appearance of your apps quickly and simply with CSS files. Would you like to know how? I posted a new article that will step you through the options at the Shiny Dev Center. C...

Read more »

Five Reasons to Teach Elementary Statistics With R: #3

May 4, 2014
By
Five Reasons to Teach Elementary Statistics With R:  #3

Introduction Reason #3: RStudio’s shiny Examples “Slow” Simulation Understanding Model Assumptions Types of Error Illustrating Fine Points Playing Games

Read more »

Five Reasons to Teach Elementary Statistics With R: #3

May 4, 2014
By
Five Reasons to Teach Elementary Statistics With R:  #3

Introduction Reason #3: RStudio’s shiny Examples “Slow” Simulation Understanding Model Assumptions Types of Error Illustrating Fine Points Playing Games

Read more »

Test coverage of the 10 most downloaded R packages

May 2, 2014
By
Test coverage of the 10 most downloaded R packages

Test coverage of the 10 most downloaded R packages 2014-04-30 Source Introduction How do you know that your code is well tested ? The test coverage is the proportion of source code lines that are executed (covered) when running the tests. It is useful to find the parts of your code that are no exercised no matter how...

Read more »

SMART Hackathon: Day 1

May 1, 2014
By
SMART Hackathon: Day 1

So day 1 of the #JHUSMARTHack 2014 is over and day 2 is underway. It's been awesome. One student estimated he did “one week's worth of work”. Some interesting (I think) things I thought about: Flooding rain is good weather for coding. (As long as no sinkholes arise) The Admiral Fell Inn is a pretty

Read more »