About: Interested in connecting with python people into machine learning, collaborative filtering, text mining, or web analytics...
Blog Posts
Hidden Video Courses in Math, Science, and Engineering
--Over the last few years, a large number of open courseware directories and video lecture aggregators have popped up on the web. These sites often ...
PyCon 2008 ElasticWulf Slides
--Here are the ElasticWulf slides from my talk. The video will eventually be posted to the PyCon site. The cluster management scripts I used to run...
PyCon 2008 ElasticWulf Slides
--Here are the ElasticWulf slides from my talk. Video will eventually be posted to the PyCon site. The cluster management scripts I used to run the...
Python Montage Code for Displaying Arrays
--This post will show how to replicate the Matlab montage function using Python. The Data Wrangling blog seems to be getting search traffic from peo...
The Colbert Bump in Amazon Data
--Last month, I took a position as Director of Advanced Analytics at Juice. I’m primarily a machine learning guy, so I will be focused on ...
Some Datasets Available on the Web
--The Datawrangling blog was put on the back burner last May while I focused on my startup. Now that I have some bandwidth again, I am getting back ...
Google Paper on Parallel EM Algorithm using MapReduce
--I hadn’t seen much discussion of this on the web, so I thought I would post the link to this May 2007 paper from Google: Google News Per...
Amazon EC2 Considered Harmful
--“The TruckNumber is the size of the smallest set of people in a project such that, if all of them got hit by a truck, the project would b...
MPI Cluster with Python and Amazon EC2 (part 2 of 3)
--Today I posted a public AMI which can be used to run a small beowulf cluster on Amazon EC2 and do some parallel computations with C, Fortran, or P...
On-Demand MPI Cluster with Python and EC2 (part 1 of 3)
--In this post, we will build a 20 node Beowulf cluster on Amazon EC2 and run some computations using both MPI and its Python wrapper pyMPI. This tu...
Bookmarks:
Econometric Modeling as Junk Science
Despite their scientific appearance, these models do not meet the fundamental criterion for a useful mathematical model: the ability to make predictions that are better than random chance.
Orange: MDS scatterplot in pyhon
MDS scatterplot In our first example, we will take iris data set, compute the distance between the examples and then run MDS on a distance matrix. This is done by the following code:
depth first search ? MDS
Multidimensional Scaling - python code adapted from Principles of Multivariate Analysis: A User's Perspective
Particletree ? Smarter Auto-Linking
For example, some web sites auto-link or convert text presented in a URL format as a hyperlink to improve the user experience.
Google Testing Blog: Announcing: New Google C++ Testing Framework
We all know the importance of writing automated tests to cover our code. To make it easier for everyone to write good C++ tests, today we have open-sourced Google C++ Testing Framework (Google Test for short), a library that thousands of Googlers use
David Hawking's Personal Home Page
Network
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David May (mutual) friend |
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Moses Ting friend |
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Chris Gemignani (mutual) friend |
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Sal Uryasev (mutual) friend |
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Travis Oliphant want-to-meet |
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Chris McAvoy (mutual) friend |
