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.

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 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 we do need to, but othe

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 will

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 Southey 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 /

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 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 applications.

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, bu

[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 functiona