Re: [Numpy-discussion] PyBUF_SIMPLE/PyBUF_FORMAT: casts to unsigned bytes

2011-09-02 Thread Stefan Krah
Dag Sverre Seljebotn d.s.seljeb...@astro.uio.no wrote: Under 2), would it make sense to also export the contents of a Fortran-contiguous buffer as a raw byte stream? I was just the other week writing code to serialize an array in Fortran order to a binary stream. Probably, since it works now

Re: [Numpy-discussion] PyBUF_SIMPLE/PyBUF_FORMAT: casts to unsigned bytes

2011-09-02 Thread Stefan Krah
Stefan Krah stefan-use...@bytereef.org wrote: Dag Sverre Seljebotn d.s.seljeb...@astro.uio.no wrote: Under 2), would it make sense to also export the contents of a Fortran-contiguous buffer as a raw byte stream? I was just the other week writing code to serialize an array in Fortran order

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Derek Homeier
On 30.08.2011, at 6:21PM, Chris.Barker wrote: I've submitted a pull request for a new method for loading data from text files into a record array/masked record array. Click on the link for more info, but the general idea is to create a regular expression for what entries should look like

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Chris.Barker
On 9/2/11 8:22 AM, Derek Homeier wrote: I agree it would make a very nice addition, and could complement my pre-allocation option for loadtxt - however there I've also been made aware that this approach breaks streamed input etc., so the buffer.resize(…) methods in accumulator would be the

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Christopher Jordan-Squire
Sorry I'm only now getting around to thinking more about this. Been side-tracked by stats stuff. On Fri, Sep 2, 2011 at 10:50 AM, Chris.Barker chris.bar...@noaa.gov wrote: On 9/2/11 8:22 AM, Derek Homeier wrote: I agree it would make a very nice addition, and could complement my pre-allocation

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Derek Homeier
On 02.09.2011, at 5:50PM, Chris.Barker wrote: hmmm -- it seems you could jsut as well be building the array as you go, and if you hit a change in the imput, re-set and start again. In my tests, I'm pretty sure that the time spent file io and string parsing swamp the time it takes to

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Derek Homeier
On 02.09.2011, at 6:16PM, Christopher Jordan-Squire wrote: I hadn't thought of that. Interesting idea. I'm surprised that completely resetting the array could be faster. I had experimented a bit with the fromiter function, which also increases the output array as needed, and this creates

Re: [Numpy-discussion] Pull Request Review: R-like sample function

2011-09-02 Thread Christopher Jordan-Squire
I made the changes discussed here and pushed them to pull request. https://github.com/numpy/numpy/pull/143#issuecomment-1980897 I changed the new function's name from sample to choice and added the size=1 default as Robert suggested. I also reverted all the changes for sample, random, and ranf

Re: [Numpy-discussion] Pull Request Review: R-like sample function

2011-09-02 Thread Christopher Jordan-Squire
On Thu, Sep 1, 2011 at 10:55 PM, Nathaniel Smith n...@pobox.com wrote: On Thu, Sep 1, 2011 at 8:31 PM, Christopher Jordan-Squire cjord...@uw.edu wrote: On Thu, Sep 1, 2011 at 11:14 PM, Robert Kern robert.k...@gmail.com wrote: On Thu, Sep 1, 2011 at 22:07, Christopher Jordan-Squire

Re: [Numpy-discussion] Pull Request Review: R-like sample function

2011-09-02 Thread Nathaniel Smith
On Fri, Sep 2, 2011 at 10:14 AM, Christopher Jordan-Squire cjord...@uw.edu wrote: I made the changes discussed here and pushed them to pull request. https://github.com/numpy/numpy/pull/143#issuecomment-1980897 I think you mean https://github.com/numpy/numpy/pull/151 I changed the new

Re: [Numpy-discussion] Pull Request Review: R-like sample function

2011-09-02 Thread Christopher Jordan-Squire
On Fri, Sep 2, 2011 at 12:58 PM, Nathaniel Smith n...@pobox.com wrote: On Fri, Sep 2, 2011 at 10:14 AM, Christopher Jordan-Squire cjord...@uw.edu wrote: I made the changes discussed here and pushed them to pull request. https://github.com/numpy/numpy/pull/143#issuecomment-1980897 I think

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Chris.Barker
On 9/2/11 9:16 AM, Christopher Jordan-Squire wrote: I agree it would make a very nice addition, and could complement my pre-allocation option for loadtxt - however there I've also been made aware that this approach breaks streamed input etc., so the buffer.resize(…) methods in accumulator

Re: [Numpy-discussion] load from text files Pull Request Review

2011-09-02 Thread Christopher Jordan-Squire
On Fri, Sep 2, 2011 at 3:54 PM, Chris.Barker chris.bar...@noaa.gov wrote: On 9/2/11 9:16 AM, Christopher Jordan-Squire wrote: I agree it would make a very nice addition, and could complement my pre-allocation option for loadtxt - however there I've also been made aware that this approach

[Numpy-discussion] Hiring a junior developer on the scikit-learn

2011-09-02 Thread Gael Varoquaux
Hi list, Once again, we are looking for a junior developer to work on the scikit-learn. Below is the official job posting. Unofficially I would like to stress that this is a unique opportunity to be payed for two years to work on learning and improving the scientific Python toolstack. Gael