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Transitions and transversions in R

January 5, 2010
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Transitions and transversions in R

A couple of months ago I wrote the following R function to calculate the number of transitions and transversions between DNA sequences in an alignment. The function is fairly slow (an alignment of ~100 sequences, 800 bp in length takes around 30 second...

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Colour matching feature in R

December 8, 2009
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Colour matching feature in R

I love R. It is an open-source statistical programming language that I found reasonably easy to learn, and find it incredibly versatile and useful. Because it's open-source anyone can contribute to it, and there are a huge number of packages that exten...

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