Posts – Page 3

Hiring a programmer for a brain imaging machine-learning library

Work with us on putting machine learning in the hand of cognitive scientists

Parietal is a research team that creates advanced data analysis to mine functional brain images and solve medical and cognitive science problems. Our day to day work is to write machine-learning and statistics code to understand and ...

Publishing scientific software matters

Christophe Pradal, Hans Peter Langtangen, and myself recently edited a version of the Journal of Computational Science on scientific software, in particular those written in Python. We wrote an editorial defending writing and publishing open source scientific software that I wish to summarize here. The full text preprint is openly ...

Scikit-learn 0.14 release: features and benchmarks

I have tagged and released the scikit-learn 0.14 release yesterday evening, after more than 6 months of heavy development from the team. I would like to give a quick overview of the highlights of this release in terms of features but also in term of performance. Indeed, the scikit-learn ...

RIP John Hunter: the loss of a great man

John Hunter, the author of matplotlib passed away yesterday after a short battle against cancer. John gave the keynote at the scipy 2012 conference a few weeks ago, and was diagnosed with cancer just on his return from the conference. It is a shock to me that that a friend ...

A journal promoting high-quality research code: dream and reality

Open research computation (ORC) was an attempt to create a scientific publication promoting high-quality and open source scientific code. The project went public in falls 2010, but last month, facing the low volume of submission, the editorial board chose to reorient it as a special track of an existing journal ...

Update on scikit-learn: recent developments for machine learning in Python

Yesterday, we released version 0.11 of the scikit-learn toolkit for machine learning in Python, and there was much rejoincing.

Major features gained in the last releases

In the last 6 months, there have been many things happening with the scikit-learn. While I do not whish to give an exhaustive ...

3 Google summer of code for scikit-learn and more…

The scikit-learn got 3 students accepted for the Google summer of code.

The problems of low statistical power and publication bias

Lately, I have been a mood of scientific scepticism: I have the feeling that the worldwide academic system is more and more failing to produce useful research. Christophe Lalanne’s twitter feed lead me to an interesting article in a non-mainstream journal: A farewell to Bonferroni: the problems of low ...

Want features? Just code

Somebody just sent an email on a user’s mailing list for an open-source scientific package entitled “Feature foo: why is package bar not up to the task?”. To quote him:

Is there ANY plan for having such a module in package bar?? I think (personally) that this is a ...

Book review: NumPy 1.5 Beginner’s guide

Packt publishing sent me a copy of NumPy 1.5 Beginner’s guide by Ivan Idris.

The book actually covers more than only numpy: it is a full introduction to numerical computing with Python. The table of contents is the following:

  • NumPy Quick Start
  • Beginning with NumPy Fundamentals
  • Get into ...