Jason Grout wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Thu, Sep 17, 2009 at 6:48 AM, Robert Dodier
robert.dod...@gmail.com wrote:
Some random comments on
http://trac.sagemath.org/sage_trac/attachment/ticket/6827/probability_distribution.patch
Between that and the better
Dag Sverre Seljebotn wrote:
I think it makes a lot of sense; me and Robert Dodier already discussed
such things on this list. Basically, you could construct symbolic random
variables, set Bayesian priors etc., and then simulate from the resulting
distributions using the best approach based
Jason Grout wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Thu, Sep 17, 2009 at 6:48 AM, Robert Dodier robert.dod...@gmail.com
wrote:
Some random comments on
http://trac.sagemath.org/sage_trac/attachment/ticket/6827/probability_distribution.patch
Between that and the better
On Sep 17, 6:44 am, Jason Grout jason-s...@creativetrax.com wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions that I wanted
2009/9/16 lgautier lgaut...@gmail.com:
On Sep 17, 6:44 am, Jason Grout jason-s...@creativetrax.com wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the
On Thu, Sep 17, 2009 at 6:28 AM, Jason Grout
jason-s...@creativetrax.com wrote:
I tried generating lots of normally distributed values after applying
the patch. It seems that scipy was the winner by far for speed:
sage: a=RealDistribution('gaussian', 2)
sage: %timeit [a.get_random_element()
On Thu, Sep 17, 2009 at 6:48 AM, Robert Dodier robert.dod...@gmail.com wrote:
Some random comments on
http://trac.sagemath.org/sage_trac/attachment/ticket/6827/probability_distribution.patch
Between that and the better performance of scipy (see my other email
in this thread) I figure we should
Carlo Hamalainen wrote:
On Thu, Sep 17, 2009 at 6:48 AM, Robert Dodier robert.dod...@gmail.com
wrote:
Some random comments on
http://trac.sagemath.org/sage_trac/attachment/ticket/6827/probability_distribution.patch
Between that and the better performance of scipy (see my other email
in
Jason Grout wrote:
Carlo Hamalainen wrote:
On Thu, Sep 17, 2009 at 6:48 AM, Robert Dodier robert.dod...@gmail.com
wrote:
Some random comments on
http://trac.sagemath.org/sage_trac/attachment/ticket/6827/probability_distribution.patch
Between that and the better performance of scipy (see my
On Wed, Sep 16, 2009 at 10:03 AM, jason-s...@creativetrax.com wrote:
Another idea for a project is to finish the statistics module wrapping
functionality in R. I'm teaching a modeling class right now and I wish I
had a nice module of statistics functionality.
Thanks. If you have any
William Stein wrote:
On Wed, Sep 16, 2009 at 10:03 AM, jason-s...@creativetrax.com wrote:
Another idea for a project is to finish the statistics module wrapping
functionality in R. I'm teaching a modeling class right now and I wish I
had a nice module of statistics functionality.
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions that I wanted today). I imagine that a stats module would use
Cython to call the C functions for these sorts of things, but then use
rpy2
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions that I wanted today). I imagine that a stats module would use
Cython to call the C functions for these sorts of
On Sep 16, 1:46 pm, Jason Grout jason-s...@creativetrax.com wrote:
William Stein wrote:
On Wed, Sep 16, 2009 at 10:03 AM, jason-s...@creativetrax.com wrote:
Another idea for a project is to finish the statistics module wrapping
functionality in R. I'm teaching a modeling class right
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions that I wanted today). I imagine that a stats module would use
Cython to call the C functions
On Wed, Sep 16, 2009 at 12:00 PM, Dag Sverre Seljebotn
da...@student.matnat.uio.no wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions
On Wed, Sep 16, 2009 at 12:00 PM, Dag Sverre Seljebotn
da...@student.matnat.uio.no wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions
On Sep 16, 10:32 am, William Stein wst...@gmail.com wrote:
Another idea for a project is to finish the statistics module wrapping
functionality in R. I'm teaching a modeling class right now and I wish I
had a nice module of statistics functionality.
Introductory statistics (the
William Stein wrote:
On Wed, Sep 16, 2009 at 12:00 PM, Dag Sverre Seljebotn
da...@student.matnat.uio.no wrote:
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the
On Wed, Sep 16, 2009 at 9:34 PM, Dag Sverre Seljebotn
da...@student.matnat.uio.no wrote:
And in the *few* cases where it would make sense to reimplement anything
in Cython for speed rather than interface with R (not my idea!), it
seems likely that the functionality in question is primitive
On Sep 16, 7:46 pm, Jason Grout jason-s...@creativetrax.com wrote:
William Stein wrote:
On Wed, Sep 16, 2009 at 10:03 AM, jason-s...@creativetrax.com wrote:
Another idea for a project is to finish the statistics module wrapping
functionality in R. I'm teaching a modeling class right
Dag Sverre Seljebotn wrote:
(With regards to creating Cython wrappers directly to C functions, I'd
rather use the SciPy functionality, which is essentially the same thing,
only that no reimplementation of the wheel is needed.)
I meant that R already has C functions to calculate lots of
lgautier wrote:
rpy2 is in fact providing 2 interfaces: a lower-level one (close to
R's C API),
and an higher-level one (written using the lower-level one, and able
to use
lower-level objects instead of higher-level ones). The lower-level
interface
is in fact design to permit the
William Stein wrote:
I did write a lot of stats in Cython already, and it's much faster
than both R and scipy.stats at what it does (at least last time I
checked). This is all the code in Sage's finance.TimeSeries...
It's very specialized though compared to what is offered by Scipy/R.
2009/9/16 Jason Grout jason-s...@creativetrax.com:
William Stein wrote:
I did write a lot of stats in Cython already, and it's much faster
than both R and scipy.stats at what it does (at least last time I
checked). This is all the code in Sage's finance.TimeSeries...
It's very specialized
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions that I wanted today). I imagine that a stats module would use
Cython to call the C functions for these sorts of
Jason Grout wrote:
Carlo Hamalainen wrote:
On Wed, Sep 16, 2009 at 7:46 PM, Jason Grout
jason-s...@creativetrax.com wrote:
R has a C interface for lots of functions (like the distribution
functions that I wanted today). I imagine that a stats module would use
Cython to call the C functions
2009/9/16 Robert Dodier robert.dod...@gmail.com:
William Stein wrote:
so if you could say more about what you might
want such a nice module to do, it would be very useful!
Well, in order to have some functionality above and beyond
what R or other numerical systems offer, I think you
On Thu, Jun 18, 2009 at 12:41 PM, Andrzej Giniewiczggi...@gmail.com wrote:
Hello,
I've read today your talk What is on the Horizon and I really liked
the idea about making Sage best Statistical software around!!! I
actually had planned similar project (the design stage, not so good
with
On May 18, 12:29 am, mhampton hampto...@gmail.com wrote:
Here at Sage Days 15, William Stein gave a presentation on the future
of Sage in which one of the issues was improved statistics support.
While we include statistics functionality vis R, rpy, and scipy.stats,
that functionality is not
dagss wrote:
Basically I can see Sage being a great place to merge symbolic
calculations in statistics and data analysis.
Yup.
sage: a, b = var('a,b')
sage: sigmasq = Gamma(a, b); sigmasq
Gamma distribution with parameters a, b
sage: y = Normal(0, var=sigmasq); y
Normal distribution
On May 18, 12:29 am, mhampton hampto...@gmail.com wrote:
So I have started a file basic_stats.py in the stats directory, with a
ridiculously simple start:...
I've thought about this about a year ago but had no time to do
anything beyond thinking. I very strongly suggest to introduce a class
On Mon, May 18, 2009 at 12:34 AM, Harald Schilly
harald.schi...@gmail.com wrote:
On May 18, 12:29 am, mhampton hampto...@gmail.com wrote:
So I have started a file basic_stats.py in the stats directory, with a
ridiculously simple start:...
I've thought about this about a year ago but had
My name is Andrew Hou, I'm an undergrad at the UW who is planning to
work with Prof. Stein on statistics support in Sage.
I'm currently compiling a list of the most important statistics API's
that the big M's offer - MATLAB, Mathematica, Magma; as well as some
other stats programs. I'm going to
On Mon, May 18, 2009 at 1:10 PM, hou.andrew hou.and...@gmail.com wrote:
My name is Andrew Hou, I'm an undergrad at the UW who is planning to
work with Prof. Stein on statistics support in Sage.
I'm currently compiling a list of the most important statistics API's
that the big M's offer -
That would be amazing. It'd be neat to have a lot of graphics already
implemented.
Thanks!
~Andrew
On May 18, 10:31 am, David Joyner wdjoy...@gmail.com wrote:
On Mon, May 18, 2009 at 1:10 PM, hou.andrew hou.and...@gmail.com wrote:
My name is Andrew Hou, I'm an undergrad at the UW who is
On May 19, 12:11 am, hou.andrew hou.and...@gmail.com wrote:
That would be amazing. It'd be neat to have a lot of graphics already
implemented.
the first thing that always comes to my mind is something like or an
interface to ggplot2 for sage. http://had.co.nz/ggplot2/
h
Hi,
About (3), basic distributions, and symbolic calculations of pdfs of
distributions defined as functions of basic distributions. Also you
may look into the statistics functionality of Mathematica.
Kwankyu
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