5221 search results for "git"

cMDS: visualising changing distances

November 11, 2013
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Gina Gruenhage has just arxived a new paper describing an algorithm we call cMDS. Here’s what it’s for: if you do any kind of data analysis you often find yourself comparing datapoints using some kind of distance metric. All’s well if you have a unique reasonable distance metric you can use, but often what you

Extracting standard errors and treatment effects from medical journal tables (powered by R)

November 10, 2013
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$Extracting standard errors and treatment effects from medical journal tables (powered by R)$

I decided to start blogging the R code used for some of my statistical posts, so I will start with the meta-analysis posts and move on to more difficult stuff. As stated previously (here and here) the problem is to convert the reported relative risks(RR, ), 95% confidence interval () and p-value () into estimates

What’s in my Pocket? (Part II) – Analysis of Pocket App Article Tagging

November 10, 2013
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IntroductionYou know what's still awesome? Pocket.As I noted in an earlier post (oh god, was that really more than a year ago?!) I started using the Pocket application, previously known as Read It Later, in July of 2011 and it has changed my readi...

Hurricanes in South Carolina

November 10, 2013
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In a recent post, I discussed the occurrence of hurricanes in the North Atlantic basin. The data comes from the National Oceanic and Atmospheric Association, a member of the US federal government. The data spans a bit more than 150 years. In that post, I make the observation that the data supports a model wherein

A small comparison of bio-equivalence calculations.

November 10, 2013
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Last week I looked at two-way cross-over studies and followed the example of Schütz (http://bebac.at/) in the analysis. Since the EU has its on opinions (Questions & Answers: Positions on specific questions addressed to the pharmacokinetics working party) and two example data sets, I was wondering how the various computations compared.Data There...

Towards the R package sheldus: Part 2: Losses from Natural Disasters in the US

November 9, 2013
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In my earlier post I summarized the work on my upcoming R package on the SHELDUS database. This is a database on human and property losses from natural disasters in the United States. Although the data is free, downloading the data is tedious and ...

Creating your Jekyll-Bootstrap powered blog for R blogging

November 9, 2013
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As you might have noticed, I recently decided to move Fellgernon Bit from Tumblr to GitHub. There are a couple of reasons why I made this change. I wanted a more professional-looking blog. There are not many R blogs on Tumblr, and well, long text posts are not really meant for Tumblr. Better code highlighting. I had enabled R code highlighting...

CRAN now has 5000 R packages

November 8, 2013
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Prof. Ripley today announced on the r-devel mailing list that CRAN now has it's 5000th R package: Package 'quint' brought the number of packages on CRAN (for all platforms: some are Windows-only or non-Windows only) to 5000 a few minutes ago: see http://cran.r-project.org/web/packages/index.html. That's quite a milestone! The number of CRAN packages has been increasing rapidly recently, as the...

Hurricanes and Reproducible Research

November 8, 2013
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On vacation with my family this week and that means I have a few minutes now and again to read. One of the books I brought along is Christopher Gandrud’s excellent “Reproducible Research with R and RStudio”. Looking for some data as a test project, I latched onto Hurricane data. Folly Beach was hit pretty