Monthly Archives: July 2013

Amount of end-user usage of code in Firefox

July 25, 2013
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Amount of end-user usage of code in Firefox

How much end-user usage does the code in Firefox receive over time? Short answer: The available data is very sparse and lots of hand waving is needed to concoct something. The longer answer is below as another draft section from my book Empirical software engineering with R. As always comments and pointers to more data

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SAP HANA and R – Keep shining

SAP HANA and R – Keep shining

Since I discovered Shiny and published my blog A Shiny example - SAP HANA, R and Shiny I always wanted to actually run a Shiny application from SAP HANA Studio, instead of having to call it from RStudio and having to use an ODBC connection.A couple of ...

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Revolution Analytics Supports the R Community

July 25, 2013
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by Joseph Rickert Early on, Revolution Analytics realized that R is more than just a tool for statistical computing — it is also the culture that has grown up around the use of the tool. The R culture is open and inclusive, competitive but also nourishing. There is a strong sense of community that encourages contribution and growth. We...

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shinyPsychometric: simulating how experimental choices affect results uncertainty

July 25, 2013
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shinyPsychometric: simulating how experimental choices affect results uncertainty

In the R community, Shiny is trending a lot. Shiny is an R package for developing interactive web applications. I wanted to give it a try, and ended up with an app to simulate the impact of data collection choices on the outcome reliability of a curve fitting process. I wrote the code behind it

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Development Update

July 25, 2013
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This is a quick update regarding the status of my R packages on google code. Since google decided to disallow uploads from Jan-2014 for existing projects, and immediately for new ones (meaning that the tarballs and zips could not be hosted on their servers anymore), I have had no choice but to return the development

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Development Update

July 25, 2013
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This is a quick update regarding the status of my R packages on google code. Since google decided to disallow uploads from Jan-2014 for existing projects, and immediately for new ones (meaning that the tarballs and zips could not be hosted on their servers anymore), I have had no choice but to return the development

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Deferred evaluation in Renjin, Riposte, and pqR

July 24, 2013
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Deferred evaluation in Renjin, Riposte, and pqR

The previously sleepy world of R implementation is waking up.  Shortly after I announced pqR, my “pretty quick” implementation of R, the Renjin implementation was announced at UserR! 2013.  Work also proceeds on Riposte, with release planned for a year from now. These three implementations differ greatly in some respects, but interestingly they all try

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Another great year together. Have a good vacation!

July 24, 2013
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Another great year together. Have a good vacation!

Dear R users, August is just round the corner and MilanoR close for vacation. From September 2012, we have organized two meetings in Milano, the first Italian bioR day and two R courses. We published 14 posts in the blog. … Continue reading →

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A Note About proj4 in R

July 24, 2013
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It's been a long time since I had to transform some coordinates 'manually'. I mean I had a list of coordinates that I needed to project. There are some nice proprietary tools for it, but who needs them when the opensource is everywhere?Proj4 is an ...

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What is R? A new video on the history, community and applications of R

July 24, 2013
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We meet a lot of R users on our travels, and something we often hear from them is that while they're doing amazing things with R (incredible data visualizations, statistical analysis, and data science applications), their supervisors or peers may not know that the R language is involved, or that others could benefit from using it. It would be...

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