Re: [math] Inconsistent handling of insufficient data when computing correlations

2013-11-08 Thread Phil Steitz
On 11/8/13 1:27 PM, Phil Steitz wrote: > On 11/8/13 4:35 AM, Matt Adereth wrote: >> While writing the test cases for KendallsCorrelation, I discovered an >> interesting behavior with SpearmansCorrelation that might be considered an >> inconsistency. SpearmansCorrelation.correlate() throws >> MathI

Re: svn commit: r1539723 - /commons/proper/math/trunk/src/userguide/java/org/apache/commons/math3/userguide/filter/CannonballExample.java

2013-11-08 Thread Phil Steitz
On 11/8/13 8:30 AM, Thomas Neidhart wrote: > On 11/07/2013 09:12 PM, Thomas Neidhart wrote: >> On 11/07/2013 09:10 PM, Phil Steitz wrote: >>> On 11/7/13 12:06 PM, Thomas Neidhart wrote: On 11/07/2013 06:28 PM, Phil Steitz wrote: > Thanks so much for starting to build these out, Thomas! >>>

Re: [math] Re: Sparse matrices not supported anymore?

2013-11-08 Thread Ted Dunning
On Fri, Nov 8, 2013 at 12:20 PM, Phil Steitz wrote: > > So the upshot is that dealing with this will cost at least a significant > > integer degradation in performance at no benefit relative to the normal > > user's expectations with regard to sparse vector operations. I say no > > benefit becau

Re: [math] Inconsistent handling of insufficient data when computing correlations

2013-11-08 Thread Phil Steitz
On 11/8/13 4:35 AM, Matt Adereth wrote: > While writing the test cases for KendallsCorrelation, I discovered an > interesting behavior with SpearmansCorrelation that might be considered an > inconsistency. SpearmansCorrelation.correlate() throws > MathIllegalArgumentException if the array length i

[VFS][VFS-500] VFSClassLoader.findResources implementation [patch]

2013-11-08 Thread Bernd Eckenfels
Hello, Wohoo! 500 Bugs :) https://issues.apache.org/jira/browse/VFS-500 just a small pointer: I created JIRA VFS-500 to track the inclusion of my patch for VFSClassLoader#findResource(String) which was a not implemented method. It also contains a Unit test which checks for the ability to lo

Re: [math] Re: Sparse matrices not supported anymore?

2013-11-08 Thread Thomas Neidhart
On 11/08/2013 09:20 PM, Phil Steitz wrote: > On 11/8/13 11:59 AM, Ted Dunning wrote: >> On Fri, Nov 8, 2013 at 11:47 AM, Luc Maisonobe wrote: >> is there still consensus that we are going to remove the sparse implementations with 4.0? >>> Well, I really think it is a pity, we should supp

Re: [math] Re: Sparse matrices not supported anymore?

2013-11-08 Thread Phil Steitz
On 11/8/13 11:59 AM, Ted Dunning wrote: > On Fri, Nov 8, 2013 at 11:47 AM, Luc Maisonobe wrote: > >>> is there still consensus that we are going to remove the sparse >>> implementations with 4.0? >> Well, I really think it is a pity, we should support this. But lets face >> it: up to now we have b

Re: [math] Re: Sparse matrices not supported anymore?

2013-11-08 Thread Ted Dunning
On Fri, Nov 8, 2013 at 11:47 AM, Luc Maisonobe wrote: > > is there still consensus that we are going to remove the sparse > > implementations with 4.0? > > Well, I really think it is a pity, we should support this. But lets face > it: up to now we have been unable to do it properly. Sébastien who

Re: [math] Re: Sparse matrices not supported anymore?

2013-11-08 Thread Luc Maisonobe
Le 08/11/2013 18:38, Thomas Neidhart a écrit : > On 10/13/2013 09:41 AM, Ted Dunning wrote: >> Commons math decided not to support sparse matrices due to the difficulty >> of getting them just right. >> >> The problem is that 0 * Inf = NaN, not 0. This means that for floating >> point math, 0 * x

Re: [math] Re: Sparse matrices not supported anymore?

2013-11-08 Thread Thomas Neidhart
On 10/13/2013 09:41 AM, Ted Dunning wrote: > Commons math decided not to support sparse matrices due to the difficulty > of getting them just right. > > The problem is that 0 * Inf = NaN, not 0. This means that for floating > point math, 0 * x = x is not a true identity. > > The problem really a

Re: svn commit: r1539723 - /commons/proper/math/trunk/src/userguide/java/org/apache/commons/math3/userguide/filter/CannonballExample.java

2013-11-08 Thread Thomas Neidhart
On 11/07/2013 09:12 PM, Thomas Neidhart wrote: > On 11/07/2013 09:10 PM, Phil Steitz wrote: >> On 11/7/13 12:06 PM, Thomas Neidhart wrote: >>> On 11/07/2013 06:28 PM, Phil Steitz wrote: Thanks so much for starting to build these out, Thomas! Patches welcome for more sample code :) >>

Re: [VOTE] Release of Commons Collections 4.0 based on RC2

2013-11-08 Thread Emmanuel Bourg
Le 08/11/2013 16:45, Thomas Neidhart a écrit : > thanks for your review, although I had hoped for something like this > after the 4.0-alpha release. Nevertheless, see my comments inline: Sorry for this late review, I intended to do it for the alpha release but did get the time. > The release no

Re: [VOTE] Release of Commons Collections 4.0 based on RC2

2013-11-08 Thread Thomas Neidhart
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 11/08/2013 02:49 PM, Emmanuel Bourg wrote: > I reviewed the site, the Javadoc and the test coverage. Here are > my comments: Hi Emmanuel, thanks for your review, although I had hoped for something like this after the 4.0-alpha release. Nevertheles

Re: [VOTE] Release of Commons Collections 4.0 based on RC2

2013-11-08 Thread Emmanuel Bourg
I reviewed the site, the Javadoc and the test coverage. Here are my comments: * The release notes [1] states: "This release is not source or binary compatible with v3.x." I think this might be somewhat confusing, as one could believe the version 4 conflicts with the version 3.x when they can act

[RESULT][VOTE] Release Apache Commons Pool 2.0 RC4 as 2.0

2013-11-08 Thread Mark Thomas
+1: oheger, luc, tn, psteitz, markt +0: ggregory All votes are binding unless otherwise noted. The vote therefore passes. I'll start the work to complete the release process shortly. Mark - To unsubscribe, e-mail: dev-unsubsc

Re: [math] Inconsistent handling of insufficient data when computing correlations

2013-11-08 Thread Gilles
On Fri, 8 Nov 2013 07:35:01 -0500, Matt Adereth wrote: While writing the test cases for KendallsCorrelation, I discovered an interesting behavior with SpearmansCorrelation that might be considered an inconsistency. SpearmansCorrelation.correlate() throws MathIllegalArgumentException if the arr

[math] Inconsistent handling of insufficient data when computing correlations

2013-11-08 Thread Matt Adereth
While writing the test cases for KendallsCorrelation, I discovered an interesting behavior with SpearmansCorrelation that might be considered an inconsistency. SpearmansCorrelation.correlate() throws MathIllegalArgumentException if the array length is less than 2, but returns Double.NaN if the arr

Re: [OGNL] Make use of logging?

2013-11-08 Thread sebb
On 7 November 2013 17:08, Lukasz Lenart wrote: > 2013/11/7 Jason Pyeron : >> >>> -Original Message- >>> From: Benedikt Ritter >>> Sent: Thursday, November 07, 2013 11:00 >>> >>> Yes, as long as it's Log4j2 ;-) >> >> Now I need a sed script to replace j.u.l. to it... >> >> Is Log4j2 the one

Re: Snapshot vs. release sites.

2013-11-08 Thread sebb
On 7 November 2013 17:45, Phil Steitz wrote: > On 11/6/13 10:11 PM, Henri Yandell wrote: >> On Wed, Nov 6, 2013 at 7:53 AM, Gary Gregory wrote: >> >>> Hi All: >>> >>> I find it unhelpful and confusing at times to see Commons sites for >>> -SNAPSHOT version. >>> >>> I'd prefer to be able to browse

[VOTE] Release of Commons Collections 4.0 based on RC2

2013-11-08 Thread Thomas Neidhart
Hi, I'd like to call a vote for releasing Commons Collections 4.0 based on RC2. Changes since RC1: * release notes are now also included in the binary distribution * removed spurious hashCode() method in AbstractPatriciaTrie, the inherited one from AbstractMap will be used instead C

Re: [RESULT] Allow "plain committers" to publish releases

2013-11-08 Thread Stefan Bodewig
On 2013-11-08, Stefan Bodewig wrote: > I've opened INFRA-6978. which has just been resolved. Stefan - To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org