228 search results for "evaluation"

Errors in Ghcn Inventories

October 30, 2010
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Errors in Ghcn Inventories

In the debate over the accuracy of the global temperature nothing is more evident than errors in the location data for stations in the GHCN inventory. That inventory is the primary source for all the temperature series. One question is “do these mistakes make a difference?” If one believes as I do that the record

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Upcoming R courses from Statistics.com

October 26, 2010
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The online training provider Statistics.com has three great courses based on R coming up in the next few months: Nov. 5 - Dec. 3: "Graphics in R," with Paul Murrell Nov. 20 – Dec. 18: Support Vector Machines in R" with Dr. Lutz Hamel Dec. 17 - Jan. 22: "Geostatistics in R" with Prof. David Unwin The courses take...

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The S3 OOP system

October 15, 2010
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R currently supports two internal OOP systems (S3 and S4), and several others as add-on packages, such as R.oo, and OOP. S3 is easy to use but not reliable enough for large software projects. The emphasis of the S3 system was on generic functions and polymorphism. It’s a function centric system which is different to class centric system like...

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The S3 OOP system

October 15, 2010
By

R currently supports two internal OOP systems (S3 and S4), and several others as add-on packages, such as R.oo, and OOP. S3 is easy to use but not reliable enough for large software projects. The emphasis of the S3 system was on generic functions and polymorphism. It’s a function centric system which is different to class centric system like JAVA.

Read more »

Parallel processing of independent Metropolis-Hastings algorithms

October 11, 2010
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Parallel processing of independent Metropolis-Hastings algorithms

With Pierre Jacob, my PhD student, and Murray Smith, from National Institute of Water and Atmospheric Research, Wellington, who actually started us on this project at the last and latest Valencia meeting, we have completed a paper on using parallel computing in independent Metropolis-Hastings algorithms. The paper is arXived and the abstract goes as follows:

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How to pick the best cricketer in any format of the game?

October 11, 2010
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How to pick the best cricketer in any format of the game?

Recently ICC awards 2010 were announced and I began wondering how the process works. I haven't seen any good documentation of the process, so I started thinking  how would I do it. Here's my version. Thoughts?Note: I is impossible to det...

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How to pick the best cricketer in any format of the game?

October 11, 2010
By
How to pick the best cricketer in any format of the game?

Recently ICC awards 2010 were announced and I began wondering how the process works. I haven't seen any good documentation of the process, so I started thinking  how would I do it. Here's my version. Thoughts?Note: I is impossible to det...

Read more »

R Project and Google Summer of Code: Wrapping up

September 23, 2010
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R Project and Google Summer of Code: Wrapping up

As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen.

GSoC 2010 logo ...

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R Project and Google Summer of Code: Wrapping up

September 23, 2010
By
R Project and Google Summer of Code: Wrapping up

As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen. Projects 2010 As in 2008 a...

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R Project and Google Summer of Code: Wrapping up

September 23, 2010
By
R Project and Google Summer of Code: Wrapping up

As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen.

GSoC 2010 logo ...

Read more »