1231 search results for "tutorial"

RStudio releases Shiny

November 12, 2012
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RStudio has released a new package for R. Shiny allows R developers to build simple interactive Web-based interfaces for R scripts, using only R code (no JavaScript development required!). You can see some examples of Shiny in action in this blog post, and there are more details about Shiny's capabilities in this tutorial. Shiny was first announced to beta...

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Using R — Callling C code with Rcpp

November 12, 2012
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This entry is part 12 of 12 in the series Using RIn two previous posts we described how R can call C code with .C() and the more complex yet more robust option of calling C code with .Call().  Here …   read more ...

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Using R — .Call(“hello”)

November 9, 2012
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This entry is part 10 of 12 in the series Using RIn an introductory post on R APIs to C code, Calling C Code ‘Hello World!’, we explored the .C() function with some ‘Hello World!’ baby steps.  In this post …   read more ...

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Introducing Shiny: Easy web applications in R

November 8, 2012
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Introducing Shiny: Easy web applications in R

Say hello to Shiny, a new R package that we’re releasing for public beta testing today. Shiny makes it super simple for R users to turn analyses into interactive web applications that anyone can use. These applications let you specify input parameters using friendly controls like sliders, drop-downs, and text fields; and they can easily

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Using R — Calling C Code ‘Hello World!’

November 6, 2012
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This entry is part 6 of 11 in the series Using ROne of the reasons that R has so much functionality is that people have incorporated a lot of academic code written in C, C++, Fortran and Java into various …   read more ...

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analyze the national survey on drug use and health (nsduh) with r

November 6, 2012
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the national survey on drug use and health (nsduh) monitors illicit drug, alcohol, and tobacco use with more detail than any other survey out there.  if you wanna know the average age at first chewing tobacco dip, the prevalence of needle-sharing,...

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R among TechCrunch’s 5 Trendy Open-Source Techs for Big Data

October 30, 2012
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Tim Gasper (Product Manager at Big Data platform Infochimps) has an informative article at TechCrunch that provides an overview of five open-source technologies trending now for Big Data applications. They are: Storm and Kafka (for processing stream data) Drill and Dremel (for ad-hoc queries of big data) R (for data science with big data) Gremlin and Giraph (for graph...

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analyze the national health and nutrition examination survey (nhanes) with r

October 30, 2012
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nhanes is this fascinating survey where doctors and dentists accompany survey interviewers in a little mobile medical center that drives around the country.  while the survey folks are interviewing people, the medical professionals administer labo...

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Introducing R and Biostatistics to first year LCG students (2012 version)

October 30, 2012
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Introducing R and Biostatistics to first year LCG students (2012 version)

On Friday November 9th I’ll be giving a talk to the first year students from the Undergraduate Program on Genomic Sciences (LCG in Spanish) during their “Seminar 1: Introduction to Bioinformatics” course. It’s just like I did a year ago as I documented in my post Introducing Biostatistics to first year LCG students. Well, this time I’ll change things...

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Temporal network of information diffusion in Twitter

October 29, 2012
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Millions of tweets, retweets and mentions are exchanged in Twitter everyday about very different subjects, events, opinions, etc. While aggregating this data over a time window might help to understand some properties of those processes in online social networks, the … Continue reading →   Related posts: Temporal...

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