Monthly Archives: June 2011

Drawing Grids in R

June 1, 2011
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Drawing Grids in R

Here's an example of how to draw a grid in R and how to fill it.I did use the grid-package and its functions for displaying species cover values at squares of a recording frame...Read more »

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Day #54 Major bugfix

June 1, 2011
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It seems that Rserve works in a 1 byte charactersystem. This was giving us strange results. When I read in data from KNIME with strange characters like µ the errors began. Every time I used the character “µ”, my output in Rserve would be:...

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Using R in Excel

Got to know a very cool tool to use R in Excel named RExcel, basically it provides an integration solution such that users can get data, run command in Excel the same way as in R, which is presumably good and convenient to present results to your coll...

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Reduce Memory Use for Large Datasets

One key limiting factor for automated text classification is memory consumption. As you accumulate more news articles, bills, and legal opinions, the term-document matrices used to represent the data grow quickly. RTextTools provides two algorithms, support vector machines and maximum entropy, that can handle large datasets with very little memory. Luckily, these two algorithms tend to be the most...

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Minor update to Vegan (1.17-10)

June 1, 2011
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Minor update to Vegan (1.17-10)

I overlooked blogging about this at the time, but Jari released a minor update to our Vegan package to fix a few issues following release of R 2.13-0. As far as the user is concerned, this mainly affects capscale(). metaMDSrotate(), … Continue reading →

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New version of analogue (0.7-0)

June 1, 2011
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Last week I pushed an update of my analogue package to CRAN. The last release (0.6-23) was on CRAN sometime in Mar 2010 so an update was well overdue.

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Minor update to Vegan (1.17-10)

June 1, 2011
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I overlooked blogging about this at the time, but Jari released a minor update to our Vegan package to fix a few issues following release of R 2.13-0. As far as the user is concerned, this mainly affects capscale(). metaMDSrotate(), a helper function for rotating nMDS solutions from function metaMDS() can now handle missing values via argument na.rm =...

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