On Tue, Dec 6, 2011 at 4:11 PM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
On Mon, Dec 5, 2011 at 8:43 PM, Ralf Gommers ralf.gomm...@googlemail.com
wrote:
Hi all,
It's been a little over 6 months since the release of 1.6.0 and the NA
debate has quieted down, so I'd like to ask your
On Mon, Dec 12, 2011 at 12:34 PM, Warren Weckesser
warren.weckes...@enthought.com wrote:
On Mon, Dec 12, 2011 at 10:22 AM, Chris.Barker chris.bar...@noaa.gov
wrote:
On 12/11/11 8:40 AM, Ralf Gommers wrote:
On Wed, Dec 7, 2011 at 7:50 PM, Chris.Barker chris.bar...@noaa.gov
* If we
On Fri, Dec 23, 2011 at 4:37 AM, xantares 09 xantare...@hotmail.com wrote:
Hi,
I'm using Numpy from the C python api side while tweaking my SWIG interface
to work with numpy array types.
I want to convert a numpy array of integers (whose elements are numpy's
'int64')
The problem is that it
On Sat, Dec 24, 2011 at 3:11 AM, xantares 09 xantare...@hotmail.com wrote:
From: wesmck...@gmail.com
Date: Fri, 23 Dec 2011 12:31:45 -0500
To: numpy-discussion@scipy.org
Subject: Re: [Numpy-discussion] PyInt and Numpy's int64 conversion
On Fri, Dec 23, 2011 at 4:37 AM, xantares 09
On Thu, Dec 29, 2011 at 4:36 PM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
On Thu, Dec 29, 2011 at 9:50 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
Hi All,
I thought I'd raise this topic just to get some ideas out there. At the
moment I see two areas that I'd like to see
On Tue, Jan 3, 2012 at 12:46 PM, Ognen Duzlevski og...@enthought.com wrote:
Hello,
I am playing with adding an enum dtype to numpy (to get my feet wet in
numpy really). I have looked at the
https://github.com/martinling/numpy_quaternion and I feel comfortable
with my understanding of adding
On Tue, Jan 3, 2012 at 1:06 PM, Jim Vickroy jim.vick...@noaa.gov wrote:
On 1/3/2012 10:46 AM, Ognen Duzlevski wrote:
Hello,
I am playing with adding an enum dtype to numpy (to get my feet wet in
numpy really). I have looked at the
https://github.com/martinling/numpy_quaternion and I feel
On Wed, Jan 4, 2012 at 5:22 AM, xantares 09 xantare...@hotmail.com wrote:
From: wesmck...@gmail.com
Date: Sat, 24 Dec 2011 19:51:06 -0500
To: numpy-discussion@scipy.org
Subject: Re: [Numpy-discussion] PyInt and Numpy's int64 conversion
On Sat, Dec 24, 2011 at 3:11 AM, xantares 09
On Wed, Jan 11, 2012 at 7:05 AM, Neal Becker ndbeck...@gmail.com wrote:
Michael Hull wrote:
Hi Everyone,
First off, thanks for all your hard work on numpy, its a really great help!
I was wondering if there was a standard 'groupby' in numpy, that
similar to that in itertools.
I know its not
On Sun, Feb 5, 2012 at 7:02 PM, David Verelst david.vere...@gmail.com wrote:
Just out of curiosity, what speed-up factor did you achieve?
Regards,
David
On 04/02/12 22:20, Naresh wrote:
Warren Weckesserwarren.weckesserat enthought.com writes:
On Sat, Feb 4, 2012 at 2:35 PM, Benjamin
On Mon, Feb 13, 2012 at 6:23 PM, Marcel Oliver
m.oli...@jacobs-university.de wrote:
Hi,
I have a short piece of code where the use of an index array feels
right, but incurs a severe performance penalty: It's about an order
of magnitude slower than all other operations with arrays of that
loop
In [37]: timeit arr[:] += 1
1000 loops, best of 3: 1.13 ms per loop
- Wes
On Feb 14, 2012 12:18 AM, Wes McKinney wesmck...@gmail.com wrote:
On Mon, Feb 13, 2012 at 6:23 PM, Marcel Oliver
m.oli...@jacobs-university.de wrote:
Hi,
I have a short piece of code where the use of an index
On Mon, Feb 13, 2012 at 7:46 PM, Wes McKinney wesmck...@gmail.com wrote:
On Mon, Feb 13, 2012 at 7:30 PM, Nathaniel Smith n...@pobox.com wrote:
How would you fix it? I shouldn't speculate without profiling, but I'll be
naughty. Presumably the problem is that python turns that into something
On Mon, Feb 13, 2012 at 7:48 PM, Wes McKinney wesmck...@gmail.com wrote:
On Mon, Feb 13, 2012 at 7:46 PM, Wes McKinney wesmck...@gmail.com wrote:
On Mon, Feb 13, 2012 at 7:30 PM, Nathaniel Smith n...@pobox.com wrote:
How would you fix it? I shouldn't speculate without profiling, but I'll
On Tue, Feb 14, 2012 at 4:03 AM, Francesc Alted franc...@continuum.io wrote:
On Feb 14, 2012, at 1:50 AM, Wes McKinney wrote:
[clip]
But:
In [40]: timeit hist[i, j]
1 loops, best of 3: 32 us per loop
So that's roughly 7-8x slower than a simple Cython method, so I
sincerely hope
dear all,
I haven't read all 180 e-mails, but I didn't see this on Travis's
initial list.
All of the existing flat file reading solutions I have seen are
not suitable for many applications, and they compare very unfavorably
to tools present in other languages, like R. Here are some of the
main
better performance and memory usage
that way. That's soon to change, though, I gather, at which point I'll
almost definitely (!) move to pointer arrays instead of dtype=object
arrays.
- Wes
On Feb 23, 2012, at 1:53 PM, Pauli Virtanen wrote:
Hi,
23.02.2012 20:32, Wes McKinney kirjoitti
PM, Pauli Virtanen wrote:
Hi,
23.02.2012 20:32, Wes McKinney kirjoitti:
[clip]
To be clear: I'm going to do this eventually whether or not it
happens in NumPy because it's an existing problem for heavy
pandas users. I see no reason why the code can't emit structured
arrays, too, so
On Thu, Feb 23, 2012 at 3:23 PM, Erin Sheldon erin.shel...@gmail.com wrote:
Wes -
I designed the recfile package to fill this need. It might be a start.
Some features:
- the ability to efficiently read any subset of the data without
loading the whole file.
- reads directly
On Thu, Feb 23, 2012 at 3:31 PM, Éric Depagne e...@depagne.org wrote:
Le jeudi 23 février 2012 21:24:28, Wes McKinney a écrit :
That would indeed be great. Reading large files is a real pain whatever the
python method used.
BTW, could you tell us what you mean by large files?
cheers,
Éric
On Thu, Feb 23, 2012 at 3:55 PM, Erin Sheldon erin.shel...@gmail.com wrote:
Excerpts from Wes McKinney's message of Thu Feb 23 15:45:18 -0500 2012:
Reasonably wide CSV files with hundreds of thousands to millions of
rows. I have a separate interest in JSON handling but that is a
different kind
On Thu, Feb 23, 2012 at 4:20 PM, Erin Sheldon erin.shel...@gmail.com wrote:
Excerpts from Wes McKinney's message of Thu Feb 23 16:07:04 -0500 2012:
That's pretty good. That's faster than pandas's csv-module+Cython
approach almost certainly (but I haven't run your code to get a read
on how much
On Fri, Feb 24, 2012 at 9:07 AM, Erin Sheldon erin.shel...@gmail.com wrote:
Excerpts from Travis Oliphant's message of Thu Feb 23 15:08:52 -0500 2012:
This is actually on my short-list as well --- it just didn't make it to the
list.
In fact, we have someone starting work on it this week. It
On Thu, Feb 16, 2012 at 4:32 PM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
On Thu, Feb 16, 2012 at 10:20 PM, Thouis (Ray) Jones tho...@gmail.com
wrote:
On Thu, Feb 16, 2012 at 19:25, Ralf Gommers ralf.gomm...@googlemail.com
wrote:
In another thread Jira was proposed as an
On Fri, Mar 9, 2012 at 5:48 PM, David Gowers (kampu) 00a...@gmail.com wrote:
Hi,
On Sat, Mar 10, 2012 at 3:25 AM, Bryan Van de Ven bry...@continuum.io wrote:
Hi all,
I have started working on a NEP for adding an enumerated type to NumPy.
It is on my GitHub:
dear all,
I've routinely found that:
1) ndarray.take is up to 1 order of magnitude faster than fancy indexing
2) Hand-coded Cython boolean indexing is many times faster than ndarray indexing
3) putmask is significantly faster than ndarray indexing
For example, I stumbled on this tonight:
On Fri, Apr 27, 2012 at 4:57 PM, Robert Kern robert.k...@gmail.com wrote:
On Fri, Apr 27, 2012 at 21:52, Travis Vaught tra...@vaught.net wrote:
With NumPy 1.6.1 (from EPD 7.2-2) I get this behavior:
~
In [1]: import numpy as np
In [2]: schema =
On Sat, Apr 28, 2012 at 11:18 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Sat, Apr 28, 2012 at 9:13 AM, Wes McKinney wesmck...@gmail.com wrote:
On Fri, Apr 27, 2012 at 4:57 PM, Robert Kern robert.k...@gmail.com
wrote:
On Fri, Apr 27, 2012 at 21:52, Travis Vaught tra
On Wed, May 2, 2012 at 9:48 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Tue, May 1, 2012 at 11:47 PM, Ralf Gommers ralf.gomm...@googlemail.com
wrote:
On Wed, May 2, 2012 at 1:48 AM, Pauli Virtanen p...@iki.fi wrote:
01.05.2012 21:34, Ralf Gommers kirjoitti:
[clip]
At this
On Thu, May 3, 2012 at 12:51 PM, Tony Yu tsy...@gmail.com wrote:
On Thu, May 3, 2012 at 9:57 AM, Robert Kern robert.k...@gmail.com wrote:
On Thu, May 3, 2012 at 2:50 PM, Robert Elsner ml...@re-factory.de wrote:
Am 03.05.2012 15:45, schrieb Robert Kern:
On Thu, May 3, 2012 at 2:24 PM,
On Wed, Jun 13, 2012 at 2:12 PM, Nathaniel Smith n...@pobox.com wrote:
On Wed, Jun 13, 2012 at 5:44 PM, Bryan Van de Ven bry...@continuum.io wrote:
On 6/13/12 8:33 AM, Nathaniel Smith wrote:
Hi Bryan,
I skimmed over the diff:
https://github.com/bryevdv/numpy/compare/master...enum
It was
On Wed, Jun 13, 2012 at 5:19 PM, Bryan Van de Ven bry...@continuum.io wrote:
On 6/13/12 1:54 PM, Wes McKinney wrote:
OK, I need to spend some time on this as it will directly impact me.
Random thoughts here.
It looks like the levels can only be strings. This is too limited for
my needs. Why
On Sun, Jun 17, 2012 at 6:10 AM, Nathaniel Smith n...@pobox.com wrote:
On Wed, Jun 13, 2012 at 7:54 PM, Wes McKinney wesmck...@gmail.com wrote:
It looks like the levels can only be strings. This is too limited for
my needs. Why not support all possible NumPy dtypes? In pandas world,
the levels
On Thu, Jun 21, 2012 at 2:49 PM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
On Thu, Jun 21, 2012 at 5:25 PM, Travis Oliphant tra...@continuum.io
wrote:
I thought it was clear we were doing a 1.7 release before SciPy. It
seems pretty urgent that we get something out sooner than later.
On Tue, Jun 26, 2012 at 8:15 PM, Skipper Seabold jsseab...@gmail.com wrote:
On Tue, Jun 26, 2012 at 7:59 PM, Fernando Perez fperez@gmail.com wrote:
On Tue, Jun 26, 2012 at 1:10 PM, Travis Oliphant tra...@continuum.io wrote:
One issues is the one that Sage identified about the array
On Monday, October 1, 2012, Chris Barker wrote:
Paul,
Nice to see someone working on these issues, but:
I'm not sure the problem you are trying to solve -- accumulating in a
list is pretty efficient anyway -- not a whole lot overhead.
But if you do want to improve that, it may be better
/pypi/pandas
$ git log v0.9.1..v0.10.0 --pretty=format:%aN | sort | uniq -c | sort -rn
246 Wes McKinney
140 y-p
99 Chang She
45 jreback
18 Abraham Flaxman
17 Jeff Reback
14 locojaydev
11 Keith Hughitt
5 Adam Obeng
2 Dieter Vandenbussche
1 zach
://pypi.python.org/pypi/pandas
$ git log v0.10.0..v0.10.1 --pretty=format:%aN | sort | uniq -c | sort -rn
66 jreback
59 Wes McKinney
43 Chang She
12 y-p
5 Vincent Arel-Bundock
4 Damien Garaud
3 Christopher Whelan
3 Andy Hayden
2 Jay Parlar
2 Dan Allan
://pandas.pydata.org/pandas-docs/stable/whatsnew.html
Installers: http://pypi.python.org/pypi/pandas
$ git log v0.10.1..v0.11.0 --pretty=format:%aN | sort | uniq -c | sort -rn
308 y-p
279 jreback
85 Vytautas Jancauskas
74 Wes McKinney
25 Stephen Lin
22 Andy Hayden
19 Chang
On Mon, Nov 8, 2010 at 11:33 PM, David Warde-Farley
warde...@iro.umontreal.ca wrote:
On 2010-11-08, at 8:52 PM, David wrote:
Please tell us what error you got - saying that something did not
working is really not useful to help you. You need to say exactly what
fails, and which steps you
On Sat, Nov 20, 2010 at 6:39 PM, Keith Goodman kwgood...@gmail.com wrote:
On Fri, Nov 19, 2010 at 7:42 PM, Keith Goodman kwgood...@gmail.com wrote:
I should make a benchmark suite.
ny.benchit(verbose=False)
Nanny performance benchmark
Nanny 0.0.1dev
Numpy 1.4.1
Speed is numpy time
On Sat, Nov 20, 2010 at 6:54 PM, Wes McKinney wesmck...@gmail.com wrote:
On Sat, Nov 20, 2010 at 6:39 PM, Keith Goodman kwgood...@gmail.com wrote:
On Fri, Nov 19, 2010 at 7:42 PM, Keith Goodman kwgood...@gmail.com wrote:
I should make a benchmark suite.
ny.benchit(verbose=False)
Nanny
On Sat, Nov 20, 2010 at 7:24 PM, Keith Goodman kwgood...@gmail.com wrote:
On Sat, Nov 20, 2010 at 3:54 PM, Wes McKinney wesmck...@gmail.com wrote:
Keith (and others),
What would you think about creating a library of mostly Cython-based
domain specific functions? So stuff like rolling
at 10:25 AM, Wes McKinney wesmck...@gmail.com wrote:
On Sat, Nov 20, 2010 at 7:24 PM, Keith Goodman kwgood...@gmail.com
wrote:
On Sat, Nov 20, 2010 at 3:54 PM, Wes McKinney wesmck...@gmail.com
wrote:
Keith (and others),
What would you think about creating a library of mostly Cython-based
On Sun, Nov 21, 2010 at 6:37 PM, Keith Goodman kwgood...@gmail.com wrote:
On Sun, Nov 21, 2010 at 3:16 PM, Wes McKinney wesmck...@gmail.com wrote:
What would you say to a single package that contains:
- NaN-aware NumPy and SciPy functions (nanmean, nanmin, etc.)
I'd say yes.
- moving
On Wed, Feb 2, 2011 at 4:46 PM, Robert Kern robert.k...@gmail.com wrote:
On Wed, Feb 2, 2011 at 21:42, Ilya Shlyakhter ilya_...@alum.mit.edu wrote:
Does numpy have a relational join operation for joining recordarrays?
[~]
|1 from numpy.lib import recfunctions
[~]
|2 recfunctions.join_by?
On Tue, Feb 15, 2011 at 11:25 AM, Matthieu Brucher
matthieu.bruc...@gmail.com wrote:
Use directly restrict in C99 mode (__restrict does not have exactly the same
semantics).
For a valgrind profil, you can check my blog
(http://matt.eifelle.com/2009/04/07/profiling-with-valgrind/)
Basically,
.
On Tue, Feb 15, 2011 at 5:26 PM, Wes McKinney wesmck...@gmail.com wrote:
On Tue, Feb 15, 2011 at 11:25 AM, Matthieu Brucher
matthieu.bruc...@gmail.com wrote:
Use directly restrict in C99 mode (__restrict does not have exactly the same
semantics).
For a valgrind profil, you can check my blog
I'm having some trouble with the zeros_like function via np.fix:
def zeros_like(a):
if isinstance(a, ndarray):
res = ndarray.__new__(type(a), a.shape, a.dtype, order=a.flags.fnc)
res.fill(0)
return res
try:
wrap = a.__array_wrap__
except AttributeError:
On Mon, Feb 28, 2011 at 7:24 PM, Pierre GM pgmdevl...@gmail.com wrote:
On Mar 1, 2011, at 1:05 AM, Bruce Southey wrote:
On Mon, Feb 28, 2011 at 4:52 PM, Wes McKinney wesmck...@gmail.com wrote:
I'm having some trouble with the zeros_like function via np.fix:
def zeros_like
On Mon, Feb 28, 2011 at 10:52 PM, Wes McKinney wesmck...@gmail.com wrote:
On Mon, Feb 28, 2011 at 7:24 PM, Pierre GM pgmdevl...@gmail.com wrote:
On Mar 1, 2011, at 1:05 AM, Bruce Southey wrote:
On Mon, Feb 28, 2011 at 4:52 PM, Wes McKinney wesmck...@gmail.com wrote:
I'm having some trouble
On Fri, Mar 11, 2011 at 9:57 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Mar 11, 2011 at 7:42 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Mar 11, 2011 at 2:01 AM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
I'm just going through the very long 1.6
On Tue, Mar 15, 2011 at 3:25 PM, Sebastian Haase seb.ha...@gmail.com wrote:
On Tue, Mar 15, 2011 at 7:22 PM, nore...@github.com wrote:
Branch: refs/heads/master
Home: https://github.com/numpy/numpy
Commit: aada93306acfb4e2eb816faf32652edf8825cf45
On Tue, Apr 5, 2011 at 5:52 PM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
On Tue, Apr 5, 2011 at 11:45 PM, Skipper Seabold jsseab...@gmail.com wrote:
On Sun, Apr 3, 2011 at 8:20 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
Should skiprows be removed?
if skiprows:
On Tue, Apr 5, 2011 at 7:32 PM, Robert Kern robert.k...@gmail.com wrote:
On Tue, Apr 5, 2011 at 18:20, Wes McKinney wesmck...@gmail.com wrote:
FYI:
http://docs.python.org/library/warnings.html
DeprecationWarning Base category for warnings about deprecated
features (ignored by default
On Wed, Apr 13, 2011 at 9:50 AM, Jonathan Rocher jroc...@enthought.com wrote:
Hi,
I assume you have this data in a txt file, correct? You can load up all of
it in a numpy array using
import numpy as np
data = np.loadtxt(climat_file.txt, skiprows = 1)
Then you can compute the mean you want
This strikes me as a bug-- haven't checked NumPy 1.6 yet but this
happens in 1.5.1. Here's a toy example:
class MyNdarray(np.ndarray):
def __new__(cls, data):
subarr = np.array(data, dtype=np.float64).view(cls)
return subarr
def __radd__(self, other):
print
On Sun, May 22, 2011 at 10:49 AM, Ben Walsh ben_w_...@yahoo.co.uk wrote:
Hi
I've been looking at various labelled-array packages, including Pandas
(https://github.com/wesm/pandas) and datarray
(https://github.com/fperez/datarray).
I was quite interested in the design discussion for
On Tue, May 24, 2011 at 6:39 PM, Craig Yoshioka crai...@me.com wrote:
Hi all,
I've read some discussions about adding labeled axes, and even ticks, to
numpy arrays (such as in Luis' dataarray).
I have recently found that the ability to label axes would be very helpful
to me, but I'd like to
On Wed, Jun 1, 2011 at 10:29 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Wed, Jun 1, 2011 at 3:16 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Jun 1, 2011 at 3:52 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
snip
Just a quick comment, as this really needs more
On Mon, Jun 6, 2011 at 8:16 AM, Mark Dickinson mdickin...@enthought.com wrote:
On Thu, Jun 2, 2011 at 5:42 PM, Mark Wiebe mwwi...@gmail.com wrote:
Leap years are easy compared with leap seconds. Leap seconds involve a
hardcoded table of particular leap-seconds that are added or subtracted, and
On Wed, Jun 8, 2011 at 7:36 AM, Chris Barker chris.bar...@noaa.gov wrote:
On 6/7/11 4:53 PM, Pierre GM wrote:
Anyhow, each time yo
read 'frequency' in scikits.timeseries, think 'unit'.
or maybe precision -- when I think if unit, I think of something that
can be represented as a floating
On Wed, Jun 8, 2011 at 6:37 AM, Dave Hirschfeld
dave.hirschf...@gmail.com wrote:
Wes McKinney wesmckinn at gmail.com writes:
- Fundamental need to be able to work with multiple time series,
especially performing operations involving cross-sectional data
- I think it's a bit hard for lay
On Wed, Jun 8, 2011 at 8:53 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Wed, Jun 8, 2011 at 4:57 AM, Wes McKinney wesmck...@gmail.com wrote:
snip
So in summary, w.r.t. time series data and datetime, the only things I
care about from a datetime / pandas point of view:
- Ability to easily
On Fri, Jun 24, 2011 at 12:33 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Thu, Jun 23, 2011 at 8:32 PM, Nathaniel Smith n...@pobox.com wrote:
On Thu, Jun 23, 2011 at 5:21 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Thu, Jun 23, 2011 at 7:00 PM, Nathaniel Smith n...@pobox.com wrote:
It's
On Fri, Jun 24, 2011 at 7:10 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Jun 24, 2011 at 4:21 PM, Matthew Brett matthew.br...@gmail.com
wrote:
Hi,
On Fri, Jun 24, 2011 at 10:09 PM, Benjamin Root ben.r...@ou.edu wrote:
...
Again, there are pros and cons either way and I
On Fri, Jun 24, 2011 at 8:02 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Jun 24, 2011 at 5:22 PM, Wes McKinney wesmck...@gmail.com wrote:
On Fri, Jun 24, 2011 at 7:10 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Jun 24, 2011 at 4:21 PM, Matthew Brett
On Fri, Jun 24, 2011 at 11:59 PM, Nathaniel Smith n...@pobox.com wrote:
On Fri, Jun 24, 2011 at 6:57 PM, Benjamin Root ben.r...@ou.edu wrote:
On Fri, Jun 24, 2011 at 8:11 PM, Nathaniel Smith n...@pobox.com wrote:
This is a situation where I would just... use an array and a mask,
rather than a
On Sat, Jun 25, 2011 at 12:42 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Jun 24, 2011 at 10:06 PM, Wes McKinney wesmck...@gmail.com wrote:
On Fri, Jun 24, 2011 at 11:59 PM, Nathaniel Smith n...@pobox.com wrote:
On Fri, Jun 24, 2011 at 6:57 PM, Benjamin Root ben.r
On Sat, Jun 25, 2011 at 1:05 PM, Nathaniel Smith n...@pobox.com wrote:
On Sat, Jun 25, 2011 at 9:26 AM, Matthew Brett matthew.br...@gmail.com
wrote:
So far I see the difference between 1) and 2) being that you cannot
unmask. So, if you didn't even know you could unmask data, then it
would
On Sat, Jun 25, 2011 at 3:51 PM, Nathaniel Smith n...@pobox.com wrote:
On Sat, Jun 25, 2011 at 11:32 AM, Benjamin Root ben.r...@ou.edu wrote:
On Sat, Jun 25, 2011 at 12:05 PM, Nathaniel Smith n...@pobox.com wrote:
I guess that is a difference, but I'm trying to get at something more
On Wed, Jul 13, 2011 at 7:15 PM, Craig Yoshioka crai...@me.com wrote:
Yup exactly. To enable this sort of tracking I needed to explicitly
reverse-engineer the effects of indexing on axes. I figure overriding
indexing catches most cases that modify axes, but other holes need to be
plugged
On Wed, Jul 27, 2011 at 5:36 PM, Alex Flint alex.fl...@gmail.com wrote:
When applying two different slicing operations in succession (e.g. select a
sub-range, then select using a binary mask) it seems that numpy arrays can
be inconsistent with respect to assignment:
For example, in this case
On Mon, Aug 8, 2011 at 7:01 PM, Neal Becker ndbeck...@gmail.com wrote:
Warning: invalid value encountered in divide
No traceback. How can I get more info on this? Can this warning be converted
to an exception so I can get a trace?
___
I'm a little perplexed why reduceat was made to behave like this:
In [26]: arr = np.ones((10, 4), dtype=bool)
In [27]: arr
Out[27]:
array([[ True, True, True, True],
[ True, True, True, True],
[ True, True, True, True],
[ True, True, True, True],
[ True,
.
-Mark
On Thu, Aug 11, 2011 at 11:25 AM, Wes McKinney wesmck...@gmail.com wrote:
I'm a little perplexed why reduceat was made to behave like this:
In [26]: arr = np.ones((10, 4), dtype=bool)
In [27]: arr
Out[27]:
array([[ True, True, True, True],
[ True, True, True, True
On Sun, Aug 14, 2011 at 11:58 AM, Wes McKinney wesmck...@gmail.com wrote:
On Sat, Aug 13, 2011 at 8:06 PM, Mark Wiebe mwwi...@gmail.com wrote:
Looks like this is the second-oldest open bug in the bug tracker.
http://projects.scipy.org/numpy/ticket/236
For what it's worth, I'm in favour
On Wed, Aug 24, 2011 at 8:19 PM, Mark Wiebe mwwi...@gmail.com wrote:
On Fri, Aug 19, 2011 at 11:37 AM, Bruce Southey bsout...@gmail.com wrote:
Hi,
snip
2) Can the 'skipna' flag be added to the methods?
a.sum(skipna=True)
Traceback (most recent call last):
File stdin, line 1, in module
On Sat, Sep 17, 2011 at 4:48 PM, Skipper Seabold jsseab...@gmail.com wrote:
Just ran into this. Any objections for having numpy.std and other
functions in core/fromnumeric.py call asanyarray before trying to use
the array's method? Other data structures like pandas and larry define
their own
On Sat, Sep 17, 2011 at 8:36 PM, josef.p...@gmail.com wrote:
On Sat, Sep 17, 2011 at 5:12 PM, Wes McKinney wesmck...@gmail.com wrote:
On Sat, Sep 17, 2011 at 4:48 PM, Skipper Seabold jsseab...@gmail.com wrote:
Just ran into this. Any objections for having numpy.std and other
functions in core
On Sat, Sep 17, 2011 at 10:50 PM, Bruce Southey bsout...@gmail.com wrote:
On Sat, Sep 17, 2011 at 4:12 PM, Wes McKinney wesmck...@gmail.com wrote:
On Sat, Sep 17, 2011 at 4:48 PM, Skipper Seabold jsseab...@gmail.com wrote:
Just ran into this. Any objections for having numpy.std and other
On Sun, Sep 18, 2011 at 4:25 PM, Pierre GM pgmdevl...@gmail.com wrote:
On Sep 18, 2011, at 21:25 , Stéfan van der Walt wrote:
On Sun, Sep 18, 2011 at 9:48 AM, Keith Hughitt keith.hugh...@gmail.com
wrote:
Interesting. It works as expected when called as a method:
In [10]: x =
On Sun, Oct 23, 2011 at 8:07 PM, Eric Firing efir...@hawaii.edu wrote:
On 10/23/2011 12:34 PM, Nathaniel Smith wrote:
like. And in this case I do think we can come up with an API that will
make everyone happy, but that Mark's current API probably can't be
incrementally evolved to become that
On Mon, Oct 24, 2011 at 10:54 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Mon, Oct 24, 2011 at 8:40 AM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Sun, Oct 23, 2011 at 11:23 PM, Wes McKinney wesmck...@gmail.com
wrote:
On Sun, Oct 23, 2011 at 8:07 PM, Eric Firing
On Fri, Oct 28, 2011 at 7:53 PM, Benjamin Root ben.r...@ou.edu wrote:
On Friday, October 28, 2011, Matthew Brett matthew.br...@gmail.com wrote:
Hi,
On Fri, Oct 28, 2011 at 4:21 PM, Ralf Gommers
ralf.gomm...@googlemail.com wrote:
On Sat, Oct 29, 2011 at 12:37 AM, Matthew Brett
On Fri, Oct 28, 2011 at 9:32 PM, Charles R Harris
charlesr.har...@gmail.com wrote:
On Fri, Oct 28, 2011 at 6:45 PM, Wes McKinney wesmck...@gmail.com wrote:
On Fri, Oct 28, 2011 at 7:53 PM, Benjamin Root ben.r...@ou.edu wrote:
On Friday, October 28, 2011, Matthew Brett matthew.br
On Sun, Dec 13, 2009 at 9:27 AM, Robert Ferrell ferr...@diablotech.com wrote:
On Dec 13, 2009, at 7:07 AM, josef.p...@gmail.com wrote:
On Sun, Dec 13, 2009 at 3:31 AM, Pierre GM pgmdevl...@gmail.com
wrote:
On Dec 13, 2009, at 12:11 AM, Robert Ferrell wrote:
Have you considered creating a
are welcome on the scipy-user mailing
list. Specialized discussions or design issues should take place on
the pystatsmodels mailing list / google group, where
scikits.statsmodels and other libraries will also be discussed:
http://groups.google.com/group/pystatsmodels
Best regards,
Wes McKinney
://groups.google.com/group/pystatsmodels
Best regards,
Wes McKinney
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On Wed, Jan 27, 2010 at 9:10 PM, Keith Goodman kwgood...@gmail.com wrote:
I recently opened sourced one of my packages. It is a labeled array
that I call larry.
A two-dimensional larry, for example, contains a 2d NumPy array with
labels on each row and column. A larry can have any dimension.
We are looking for a scientific Python developer to work on the design
and implementation of AQR’s proprietary research and production
systems. In this role you will work closely with researchers and
portfolio managers to identify problems and create solutions
addressing speed, scale, and
On Tue, Jun 1, 2010 at 4:49 PM, Zachary Pincus zachary.pin...@yale.edu wrote:
Hi
Can anyone think of a clever (non-lopping) solution to the following?
A have a list of latitudes, a list of longitudes, and list of data
values. All lists are the same length.
I want to compute an average of
On Wed, Jun 2, 2010 at 3:41 AM, Vincent Schut sc...@sarvision.nl wrote:
On 06/02/2010 04:52 AM, josef.p...@gmail.com wrote:
On Tue, Jun 1, 2010 at 9:57 PM, Zachary Pincuszachary.pin...@yale.edu
wrote:
I guess it's as fast as I'm going to get. I don't really see any
other way. BTW, the
On Wed, Jun 2, 2010 at 1:23 PM, Mathew Yeates mat.yea...@gmail.com wrote:
thanks. I am also getting an error in ndi.mean
Were you getting the error
RuntimeError: data type not supported?
-Mathew
On Wed, Jun 2, 2010 at 9:40 AM, Wes McKinney wesmck...@gmail.com wrote:
On Wed, Jun 2, 2010
the type restrictions, but there are/were several
tickets for it.
Josef
On Wed, Jun 2, 2010 at 10:45 AM, Wes McKinney wesmck...@gmail.com wrote:
On Wed, Jun 2, 2010 at 1:23 PM, Mathew Yeates mat.yea...@gmail.com
wrote:
thanks. I am also getting an error in ndi.mean
Were you getting
On Wed, Jun 2, 2010 at 6:18 PM, Stephen Simmons m...@stevesimmons.com wrote:
On 1/06/2010 10:51 PM, Wes McKinney wrote:
snip
This is a pretty good example of the group-by problem that will
hopefully work its way into a future edition of NumPy.
Wes (or anyone else), please can you
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
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
On Mon, Jun 21, 2010 at 7:10 PM, Robert Kern robert.k...@gmail.com wrote:
On Mon, Jun 21, 2010 at 17:42, Neal Becker ndbeck...@gmail.com wrote:
Robert Kern wrote:
On Mon, Jun 21, 2010 at 14:01, Neal Becker ndbeck...@gmail.com wrote:
Can I find an efficient way to do this?
I have a 2d array,
On Tue, Jul 6, 2010 at 12:56 PM, Keith Goodman kwgood...@gmail.com wrote:
On Tue, Jul 6, 2010 at 9:52 AM, Joshua Holbrook josh.holbr...@gmail.com
wrote:
On Tue, Jul 6, 2010 at 8:42 AM, Skipper Seabold jsseab...@gmail.com wrote:
On Tue, Jul 6, 2010 at 12:36 PM, Joshua Holbrook
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