PCP - summary stats for selected/unselected, test on difference in means

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Similar to the logic used for the scatter plot, we could implement a test on 
difference in means (a simple z-stat) between selected and unselected 
observations in PCP, for each of the variables included.

A related idea is to visualize the summary statistics that are now given, i.e., 
show a line that corresponds to the mean values for each variable.

Original issue reported on code.google.com by lanse...@gmail.com on 11 Sep 2013 at 4:46

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Original comment by mmcc...@gmail.com on 4 Apr 2014 at 6:00

• Changed state: New

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Original comment by mmcc...@gmail.com on 4 Apr 2014 at 6:06

• Added labels: Priority-Medium
• Removed labels: Priority-High

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Original comment by lanse...@gmail.com on 25 Jun 2015 at 6:39

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reconsider this once we have the DID test for the averages tool.

Original comment by jkoschin...@gmail.com on 14 Jul 2015 at 12:58