835 search results for "how to import image file to R"

Choosing an SQL Engine for Analytics

March 9, 2009
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Choosing an SQL Engine for Analytics

I’ve been struggling for a while on which database to use for my working data. I used to use MS Access quite a lot. The problems with MS Access include but are not limited to: 2 GB file size limit, at least historically Versions change with each edition of MS Office Sort of tough to write SQL scripts Very

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Plotting PDQ Output with R

February 27, 2009
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Plotting PDQ Output with R

One the nice things about PDQ-R (coming in release 5.0) is the ability to plot PDQ output directly in R. Here's a PDQ-R script, together with the corresponding graphical output, that I knocked up to show the effect on the throughput curve of adding mor...

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Illinois long-term selection experiment for oil and protein in corn

February 22, 2009
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Illinois long-term selection experiment for oil and protein in corn

Researchers at the University of Illinois are conducting one of the longest experiments in biology - Illinois long-term selection experiment for oil and protein in corn. The experiment started in 1896 and is still active! In esence they are selecting l...

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How Google and Facebook are using R

February 19, 2009
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How Google and Facebook are using R

(March 26th Update: Video now available) Last night, I moderated our Bay Area R Users Group kick-off event with a panel discussion entitled “The R and Science of Predictive Analytics”, co-located with the Predictive Analytics World conference here in SF. The panel comprised of four recognized R users from industry: Bo Cowgill, Google Itamar Rosenn,

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Analyzing Nike+ using R

Analyzing Nike+ using R

A couple of weeks ago, I finally took up running seriously. To keep myself motivated -- especially on dark winter nights -- I bought the Nike+ iPod sports kit. The sports kit was developed by a partnership of Nike and Apple, and consists of a tiny acce...

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