[MAHOUT-2009] Allow User Defined threshold for densityAnalysys()

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Won't Fix
• Affects Version/s: 0.13.1
• Fix Version/s: 0.13.2
• Epic Link: Samsara-framework
• Assignee: Unassigned
• Reporter: Andrew Palumbo
• Created: 21/Aug/17 18:53
• Updated: 31/Jan/24 21:50
• Resolved: 31/Jan/24 21:50

Description

Stochastic `densityAnalysis(...)` is is heavily used in the breaking down of drms to in-core matrix and rebuilding DRMs after operations:

https://github.com/apache/mahout/blob/08e02602e947ff945b9bd73ab5f0b45863df3e53/math-scala/src/main/scala/org/apache/mahout/math/scalabindings/package.scala#L431

the density is currently hard-coded to a quite high threshold (25%) this should either be lowered or should allow for the user to define a setting.