[HIVEMALL-186] UDAF to collect Descriptive Statistics

• Type: Wish
• Status: Open
• Priority: Minor
• Resolution: Unresolved
• Fix Version/s: 0.7.0
• Assignee: Alexey Zinoviev
• Reporter: Makoto Yui
• Created: 04/Apr/18 02:58
• Updated: 29/Dec/19 11:50

Description

UDAF to show descriptive statistics and frequency distributions by just calling a UDAF would be useful for understanding data.

http://commons.apache.org/proper/commons-math/userguide/stat.html#a1.2_Descriptive_statistic

http://commons.apache.org/proper/commons-math/userguide/stat.html#a1.3_Frequency_distributions