Posts Tagged ‘ Python ’

Mid-February flotsam

February 17, 2012
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Mid-February flotsam

This coming Monday we start the first semester in Canterbury (and in New Zealand for that matter). We are all looking forward to an earthquake-free year; more realistically, I’d be happy with low magnitude aftershocks. The Wall Street Journal reports … Continue reading →

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speed of R, C, &tc.

February 2, 2012
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speed of R, C, &tc.

My Paris colleague (and fellow-runner) Aurélien Garivier has produced an interesting comparison of 4 (or 6 if you consider scilab and octave as different from matlab) computer languages in terms of speed for producing the MLE in a hidden Markov model, using EM and the Baum-Welch algorithms. His conclusions are that matlab is a lot

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Some code to help you remember numbers

January 17, 2012
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Some code to help you remember numbers

Two posts ago we showed you the digit sound system for remembering numbers. This week we provide two computer programs to help you create mnemonics.

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Interview with Kai Chew, CloudStat

December 31, 2011
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Here is an interview with Kai Chew, Founder of Cloudstat. CloudStat is developing a cloud-based statistical platform to help researchers who want to make sense of data to do statistical analysis collaboratively with its high performance computing infra...

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Popular Baby Names Walk-Through Part 2 – Graphing the fast movers

November 21, 2011
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Popular Baby Names Walk-Through Part 2 – Graphing the fast movers

I will assume you have read through part 1 and have the csv file loaded. While we covered some basic graphing in the last post i hope to get into a little more of the data crunching. Specifically I am interested in the names which where driven by a spe...

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Popular Baby Names Walk-Through Part 1 – Web Scrapping and ggploting

November 20, 2011
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Popular Baby Names Walk-Through Part 1 – Web Scrapping and ggploting

This is the first walk-through I have posted. Reading these types of posts has been incredibly helpful as I have been learning R and other useful tools in the Unix universe. Hopefully you find it helpful. First, I have been watching Google Python Video...

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New release with Batch processing

October 5, 2011
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This week we rolled out a new release at cloudnumbers.com which implements two new main features: cloudnumbers.com now supports Batch processing. Due to some changes in the architecture we were able to reduce our system requirements. In detail, we do not need that much open ports in your firewall. Please check our updated System Requirements

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A simple example for writting parallel code

September 7, 2011
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A simple example for writting parallel code

Today, programmers have to deal with multi-core and multi-computer technologies. Several people claim that software developers are far behind hardware technologies. My two favorite posts for this statement are Editor’s Desk: Software Lags Behind Hardware, But That’s a Good Thing A Hacker’s Craic -Why is software so far behind hardware? Parallel computing is not that

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Seriously … why don’t math classes use computers?…

August 31, 2011
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Seriously … why don’t math classes use computers? Excel, simple Python scripts, Mathematica / Sage, everything beyond the TI-83. Kids could be creating totally sweet visuals instead of cribbing formulae. And thinking instead of copying. I can sa...

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Seriously … why don’t math classes use computers?…

August 31, 2011
By

Seriously … why don’t math classes use computers? Excel, simple Python scripts, Mathematica / Sage, everything beyond the TI-83. Kids could be creating totally sweet visuals instead of cribbing formulae. And thinking instead of copying. I can sa...

Read more »