Blog Archives

Aquamacs 2.2 and ESS

March 25, 2011
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nStrict Standards: Non-static method StringParser_Node::destroyNode() should not be called statically, assuming $this from incompatible context in /afs/ir.stanford.edu/users/k/n/knoepfle/cgi-bin/flatpress/fp-plugins/bbcode/inc/stringparser.class.php o...

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Aquamacs 2.2 and ESS

March 25, 2011
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News of the latest release of Aquamacs, version 2.2, appeared this week in my echo area. Given the opportunity to procrastinate, I dropped everything and upgraded; returning to work, I noticed that the version of ESS shipped with Aquamacs 2.2 is ESS 5...

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MATLAB / R Reference

December 20, 2010
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nStrict Standards: Non-static method StringParser_Node::destroyNode() should not be called statically, assuming $this from incompatible context in /afs/ir.stanford.edu/users/k/n/knoepfle/cgi-bin/flatpress/fp-plugins/bbcode/inc/stringparser.class.php o...

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MATLAB / R Reference

December 20, 2010
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Anyone with a MATLAB background interested in transitioning to R is advised to check out this MATLAB / R Reference by Professor David Hiebeler of the University of Maine.

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Google Insights and RCurl

December 20, 2010
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Google Insights is nifty. If you’re logged in to your Google account, you can download the results as a CSV file. This is straightforward if you’re using a browser; if you’re trying to retrieve the results of queries using R, however, things get more complicated. The following code retrieves the results of a Google Insights search for...

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Google Insights and RCurl

December 20, 2010
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nStrict Standards: Non-static method StringParser_Node::destroyNode() should not be called statically, assuming $this from incompatible context in /afs/ir.stanford.edu/users/k/n/knoepfle/cgi-bin/flatpress/fp-plugins/bbcode/inc/stringparser.class.php on line 358Google Insights is nifty. If you’re logged in to your Google account, you can download the results as a CSV file. This is straightforward if you’re using a browser; if you’re trying to retrieve the results...

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How to buy a used car with R (part 2)

December 20, 2010
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How to buy a used car with R (part 2)

Continued from Part 1. Part 2: Digging into the Kelley Blue Book The only thing better than a bit of data is a lot of data. Now that we can grab KBB values for a given trim of a given model in a given year, we set our ambitions higher: automating the collection of these values for...

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How to buy a used car with R (part 2)

December 20, 2010
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How to buy a used car with R (part 2)

nStrict Standards: Non-static method StringParser_Node::destroyNode() should not be called statically, assuming $this from incompatible context in /afs/ir.stanford.edu/users/k/n/knoepfle/cgi-bin/flatpress/fp-plugins/bbcode/inc/stringparser.class.php on line 358Continued from Part 1.nnPart 2: Digging into the Kelley Blue BooknnThe only thing better than a bit of data is a lot of data. Now that we can grab KBB values for a given trim of...

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How to buy a used car with R (part 1)

October 31, 2010
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How to buy a used car with R (part 1)

I’m in the process of buying a used car. Since I enjoy making these decisions as complicated as possible, I’ve written some R code to scrape relevant websites for informative data. I’ve written this up as a blog entry because I think it’s a decent example of how one might use the XML...

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How to buy a used car with R (part 1)

October 31, 2010
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How to buy a used car with R (part 1)

nStrict Standards: Non-static method StringParser_Node::destroyNode() should not be called statically, assuming $this from incompatible context in /afs/ir.stanford.edu/users/k/n/knoepfle/cgi-bin/flatpress/fp-plugins/bbcode/inc/stringparser.class.php on line 358I’m in the process of buying a used car. Since I enjoy making these decisions as complicated as possible, I’ve written some R code to scrape relevant websites for informative data. I’ve written this up as a...

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