As a user I really love the matrix. The questions I were asking are mostly answered by it!
May I know how the TODO gets break down into workable tasks? How can contributors participate if someone is willing to help?  https://github.com/apache/incubator-datasketches-java/projects/1 Evans leerho <lee...@gmail.com> 於 2020年3月24日 週二 上午8:40寫道： > Folks, I hope everyone is safe and healthy during these challenging times! > > Some updates: > > - The website Downloads > <https://datasketches.apache.org/docs/Community/Downloads.html> page > has been completely redesigned and automated. When any of our components > are released to dist there is a step in our Release Process > > <https://dist.apache.org/repos/dist/dev/incubator/datasketches/scripts/APACHE_JAVA_RELEASE_STEPS.md> > that > just by running a script will automatically update the downloads page with > the latest release versions. > - We have also added 3 new TODO lists for Java > <https://github.com/apache/incubator-datasketches-java/projects/1>, C++ > <https://github.com/apache/incubator-datasketches-cpp/projects/1> and > the Website > <https://github.com/apache/incubator-datasketches-website/projects/1>. > These are brand new and will be filling up with tasks soon. > - There are a number of new additions to the website that should make > it easier for users to find the right sketches for their applications: > - Sketch Features Matrix > > <https://datasketches.apache.org/docs/Architecture/SketchFeaturesMatrix.html>. > This > provides in one view a comparison of the major features of the different > sketches and sketch families in the library. > - Features Matrix for Distinct Count Sketches > <https://datasketches.apache.org/docs/DistinctCountFeaturesMatrix.html>. > Our library has a wide variety of sketches for counting distinct values, > each with different capabilities and trade-offs for different > applications. This matrix tries to remove some of the mystery by > highlighting the major differences between the various distinct counting > sketches. > - HLL vs CPC Figures of Merit > > <https://datasketches.apache.org/docs/DistinctCountMeritComparisons.html> > There > is always a lot of interest in the Flajolet, et al, HyperLogLog (HLL) > sketch. Not only do we have leading implementations of the HLL sketch, > our > team developed a new *Compressed Probabilistic Counting* (CPC) > sketch that outperforms the HLL sketch in terms of accuracy per stored > space. This new sketch is discussed briefly on our Research > <https://datasketches.apache.org/docs/Community/Research.html> > page, which also links to the theoretical paper > <https://arxiv.org/abs/1708.06839> that discusses the new > algorithm. There are also a new section in the Distinct Counting > section of > the website documentation that discusses the CPC sketch along with > programming examples. > - Sketches by Component Repository > > <https://datasketches.apache.org/docs/Architecture/SketchesByComponent.html>. > This new page organizes the library by the major repository components > and > lists the sketches that are available in each of the components. > - Sketch Criteria for Library Inclusion > <https://datasketches.apache.org/docs/Architecture/SketchCriteria.html>. > For new contributors to the library, this page outlines our current > criteria for including new sketch algorithms into the library. > > As always, we look forward to your comments and suggestions! > > Cheers, > > Lee. >