4159 search results for "git"

ICERM Reproducibility Workshop: Day 1

December 10, 2012
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I'm attending a workshop on reproducibility at ICERM (Brown University) this week. I really appreciate this great opportunity offered by ICERM, Randy and Victoria. It is pretty exciting to meet people that you only knew before through indirect ways. O...

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Shiny apps are awesome

December 10, 2012
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Shiny apps are awesome

RStudio has a new product called Shiny that, quoting from their website, "makes it super simple for R users like you to turn analyses into interactive web applications that anyone can use". See here for more information. A Shiny basically consists of two files: a ui.r file and a server.r file. The ui.r file, as it says, provides...

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Shiny apps are awesome

December 10, 2012
By
Shiny apps are awesome

RStudio has a new product called Shiny that, quoting from their website, "makes it super simple for R users like you to turn analyses into interactive web applications that anyone can use". See here for more information. A Shiny basically consists of two files: a ui.r file and a server.r file. The ui.r file, as it says, provides...

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Handling missing data with Amelia

December 9, 2012
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Handling missing data with Amelia

So, what if you have data, but some of the observations are missing? Many statistical techniques assume no missingness, so we might want to “fill in” or rectangularize our data, by replacing missing observations with plausible substitutes....

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Evaluating term popularity with twitteR

December 8, 2012
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Evaluating term popularity with twitteR

I really wanted to put something together for this series on the twitteR package. Unfortunately, at the moment the number of interesting things than can be done with twitteR, as opposed to through API calls and RCurl, is limited. Regardless, I have Ye...

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d3 and r interacting through shiny

December 7, 2012
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d3 and r interacting through shiny

I was amazed and delighted by the Reconstruct Gene Networks Using Shiny.  Jeff accomplished what I knew was possible but had absolutely no idea how to implement.  With the boost, I went to work combining his d3 force layout with my d3 experim...

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R analysis shows how UK health system could save £200m

December 7, 2012
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R analysis shows how UK health system could save £200m

According to an analysis by Prescribing Analytics (a joint venture of technologists and doctors in the UK), Britain's cash-strapped National Health Service (NHS) is overspending on prescription drugs. While cheaper (but equally effective) generic drugs are widely available for many treatments, some doctors continue to prescribe patented drugs which can cost 10 times as much — and often much...

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Dot-density maps with spsample()

December 7, 2012
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Dot-density maps with spsample()

Today’s example is a little odd, in that the code isn’t pretty and the example isn’t really something you’d actually produce in real life — but if you’ll overlook those oddities, you’ll find that the spsample(...

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Visualizing Baltimore with R and ggplot2: Crime Data

December 7, 2012
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Visualizing Baltimore with R and ggplot2: Crime Data

The advent of municipal open data initiatives has been both a blessing and curse for my particular brand of data nerd. On one hand, it has opened up the possibility of developing deep and useful knowledge about the places we...

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R in the Cloud

December 6, 2012
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R in the Cloud

I've been having some great fun parallelizing R code on Amazon's cloud. Now that things are chugging away nicely, it's time to document my foibles so I can remember not to fall into the same pits of despair again. The goal was to perform lots of trails of a randomized statistical simulation. The jobs were independent and fairly chunky, taking...

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