Re: [collections] Bloom filters

2020-03-07 Thread Alex Herbert
> On 6 Mar 2020, at 02:14, Alex Herbert wrote: > > The change to make the CountingBloomFilter an interface is in this PR [1]. Claude has stated in a review of the PR on GitHub that the change to CountingBloomFilter as an interface is good. I will now progress to updating the BloomFilter

Re: [VOTE] Release Apache Commons Configuration 2.7 based on RC1

2020-03-07 Thread Rob Tompkins
Note. japicmp shows up with java8 and this was built with java11. -Rob > On Mar 7, 2020, at 3:32 PM, Rob Tompkins wrote: > > We have fixed quite a few bugs and added some significant enhancements since > Apache Commons Configuration 2.6 was released, so I would like to release > Apache

[VOTE] Release Apache Commons Configuration 2.7 based on RC1

2020-03-07 Thread Rob Tompkins
We have fixed quite a few bugs and added some significant enhancements since Apache Commons Configuration 2.6 was released, so I would like to release Apache Commons Configuration 2.7. Apache Commons Configuration 2.7 RC1 is available for review here:

Re: [math]Discuss: There should be a CalinskiHarabaszClusterEvaluator in ml package

2020-03-07 Thread Gilles Sadowski
Hello. 2020-03-07 14:50 UTC+01:00, chentao...@qq.com : > Hi, > >>> > [...] >>> Solution 3 is "ClusterRanking". >>> In cases where the reference algorithm would assume the >>> other convention (i.e. "lower is better"), the implementation >>> is required to apply a conversion (e.g. return the

Re: [commons-configuration] branch master updated: [CONFIGURATION-784] Javadoc improvements.

2020-03-07 Thread Matt Sicker
Definitely gotta be a line ending issue. This has happened in log4j’s repo before. On Sat, Mar 7, 2020 at 09:21 Oliver Heger wrote: > > > Am 06.03.20 um 23:23 schrieb Gary Gregory: > > What happened here? The _whole_ file was replaced? > No idea. A line-ending issue? I am on Linux. > > Oliver >

[Math] Enhance clustering API

2020-03-07 Thread Gilles Sadowski
Hello. I've collected[1] a series of old issues reported against code in the org.apache.commons.math4.ml.clustering package. The first proposed improvement[2] to the API results from a discussion in another recent thread. Any objection to that change? Best, Gilles [1]

Re: [Compress] Zip Files: History, Explanation and Implementation

2020-03-07 Thread Stefan Bodewig
On 2020-03-07, Peter Lee wrote: > I'm planning to build a pure Java deflater/inflater on my own. Believe this > may help a lot. Compress contains a pure Java Deflate64 deflater, which also is a "normal" deflater by defintion. You may want to take a look at it. When I implemented the LZ4 encoder

Re: Re: [math]Discuss: There should be a CalinskiHarabaszClusterEvaluator in ml package

2020-03-07 Thread chentao...@qq.com
Hi, >> >  [...] >> Solution 3  is "ClusterRanking". >> In cases where the reference algorithm would assume the >> other convention (i.e. "lower is better"), the implementation >> is required to apply a conversion (e.g. return the opposite). > >s/opposite/inverse/ > >[We should probably enforce

Re: [numbers] Release?

2020-03-07 Thread Matt Juntunen
Hello, Any progress here? Regards, Matt From: Alex Herbert Sent: Friday, February 21, 2020 8:20 PM To: Commons Developers List Subject: Re: [numbers] Release? > On 22 Feb 2020, at 01:15, Gilles Sadowski wrote: > > Le sam. 22 févr. 2020 à 01:30, Alex Herbert

Re: [math]Discuss: There should be a CalinskiHarabaszClusterEvaluator in ml package

2020-03-07 Thread chentao...@qq.com
Hi, >Hello. > [...] >> For machine learning centroid cluster algorithm, we often use is >> Calinsk-iHarabasz score to evaluate which algorithm or how many >> centers is >> best for a dataset. >> The python lib sklearn implements Calinsk-iHarabasz as >>

Re: [math]Discuss: There should be a CalinskiHarabaszClusterEvaluator in ml package

2020-03-07 Thread Gilles Sadowski
> > [...] > Solution 3 is "ClusterRanking". > In cases where the reference algorithm would assume the > other convention (i.e. "lower is better"), the implementation > is required to apply a conversion (e.g. return the opposite). s/opposite/inverse/ [We should probably enforce that ranking is

Re: [math]Discuss: There should be a CalinskiHarabaszClusterEvaluator in ml package

2020-03-07 Thread Gilles Sadowski
Hello. >>> [...] >>> >> For machine learning centroid cluster algorithm, we often use is >>> >> Calinsk-iHarabasz score to evaluate which algorithm or how many >>> >> centers is >>> >> best for a dataset. >>> >> The python lib sklearn implements Calinsk-iHarabasz as >>> >>