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From "FENG, Xixuan (Aaron)" <xixuan.f...@gmail.com>
Subject Apache MADlib 1.15 Release
Date Sun, 12 Aug 2018 02:36:36 GMT
On Aug 10, 2018, Apache MADlib completed its fourth release as an Apache
Software Foundation Top Level Project.

New features include:
* Utilities - Columns to vector, vector to columns, drop columns.

Improvements:
* Multilayer perceptron - Added momentum and Nesterov's accelerated
gradient methods to gradient updates.
* Statistics - Added grouping support to correlation and covariance.
* Decision tree/random forest - Added impurity variable importance.
* Decision tree/random forest - Added new helper function to report
variable importance values in a more readable way.
* Install - Refactored and updated the madpack installation and upgrade
tool.

You are invited to download the 1.15 release
https://archive.apache.org/dist/madlib/1.15/
and review the release notes
https://github.com/apache/madlib/blob/master/RELEASE_NOTES

Thanks to all of those in the diverse Apache MADlib community who
contributed to this release!

Aaron
VP of Apache MADlib

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