July 2009

OECD Statistics

July 2, 2009 | Allan Engelhardt

I am a sucker for good quality data. I wrote about data.gov, the US Government data site before, and now I find OECD Statistics which has some 300 data sets, many of which seems to be readily accessible (though some may require subscription)
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Example 7.4: A prettier jittered scatterplot

July 2, 2009 | Ken Kleinman

The plot in section 7.3 has some problems. At the very least, the jittered values ought to be between 0 and 1, so the smoothed lines fit better with them. Once again we use the data generated in section 7.2 as an example. For both SAS and R, we use conditioning (section 1.11.2) to make ...
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R String processing

July 2, 2009 | Chris

Here's a little vignette of data munging using the regular expression facilities of R (aka the R-project for statistical computing). Let's say I have a vector of strings that looks like this:__ coords [1] "chromosome+:157470-158370" "chromosome+:1583...
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Getting help with R

July 2, 2009 | Stephen Turner

There's no doubt that by now you've noticed that we're big fans of R around here. It's completely free, has superior graphing capabilities, and with all the extension packages available there isn't much it can't do. One of the problems with R especially to new users is that it isn't ... [Read more...]
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