Re: [Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-11 Thread Bruce Southey
On 06/09/2010 03:40 PM, Wes McKinney wrote: Dear all, We've been having discussions on the pystatsmodels mailing list recently regarding data structures and other tools for statistics / other related data analysis applications. I believe we're trying to answer a number of different, but

Re: [Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-11 Thread Wes McKinney
On Fri, Jun 11, 2010 at 9:46 AM, Bruce Southey bsout...@gmail.com wrote: On 06/09/2010 03:40 PM, Wes McKinney wrote: Dear all, We've been having discussions on the pystatsmodels mailing list recently regarding data structures and other tools for statistics / other related data analysis

Re: [Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-11 Thread Bruce Southey
On 06/11/2010 10:26 AM, Wes McKinney wrote: On Fri, Jun 11, 2010 at 9:46 AM, Bruce Southeybsout...@gmail.com wrote: On 06/09/2010 03:40 PM, Wes McKinney wrote: Dear all, We've been having discussions on the pystatsmodels mailing list recently regarding data structures and other

Re: [Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-11 Thread Gael Varoquaux
On Fri, Jun 11, 2010 at 12:57:37PM -0500, Bruce Southey wrote: 2. Do we really need to build custom data structures (larry, pandas, tabular, etc.) or are structured ndarrays enough? (My conclusion is that we do need to, but others might disagree). If so, how much performance are we willing

Re: [Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-11 Thread Keith Goodman
On Fri, Jun 11, 2010 at 11:51 AM, Gael Varoquaux gael.varoqu...@normalesup.org wrote: On Fri, Jun 11, 2010 at 12:57:37PM -0500, Bruce Southey wrote:  2. Do we really need to build custom data structures (larry, pandas,  tabular, etc.) or are structured ndarrays enough? (My conclusion is  that

Re: [Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-11 Thread Yaroslav Halchenko
On Fri, 11 Jun 2010, Keith Goodman wrote: For this purpose, I like Fernando's data array: http://github.com/fperez/datarray A very simple subclass of ndarrays that answers my most-wanted feature in terms of richer data structures. ... I looks like datarray labels the axes. The data

[Numpy-discussion] Tools / data structures for statistical analysis and related applications

2010-06-09 Thread Wes McKinney
Dear all, We've been having discussions on the pystatsmodels mailing list recently regarding data structures and other tools for statistics / other related data analysis applications. I believe we're trying to answer a number of different, but related questions: 1. What are the sets of