Apache MADlib 1.15 Community Call, Thu Aug 23 @ 1100 PDT

[Bob Glithero <rg...@pivotal.io>]

Please join the Apache MADlib Community Call on Thursday, Aug 23, at 1100
PDT / 1700 UTC +1.  We'll discuss and demonstrate some of the new features
in release 1.15



Webinar link:  https://pivotal.zoom.us/j/960317727



New features:

* 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!


Bob Glithero | Data Product Marketing
Pivotal, Inc.