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[task #15884] Add a column in the log file for equal matchings in Kd-tre


From: Sachin Kumar Singh
Subject: [task #15884] Add a column in the log file for equal matchings in Kd-tree matching
Date: Sat, 16 Jan 2021 12:36:49 -0500 (EST)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:84.0) Gecko/20100101 Firefox/84.0

URL:
  <https://savannah.gnu.org/task/?15884>

                 Summary: Add a column in the log file for equal matchings in
Kd-tree matching
                 Project: GNU Astronomy Utilities
            Submitted by: sks_15
            Submitted on: Sat 16 Jan 2021 05:36:47 PM UTC
         Should Start On: Sat 16 Jan 2021 12:00:00 AM UTC
   Should be Finished on: Sat 16 Jan 2021 12:00:00 AM UTC
                Category: Match
                Priority: 5 - Normal
              Item Group: Enhancement
                  Status: None
                 Privacy: Public
        Percent Complete: 0%
             Assigned to: sks_15
             Open/Closed: Open
         Discussion Lock: Any
                  Effort: 0.00

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Details:

In real world scenarios, the distance between 2 objects cannot be precisely
equal due to presence of noise in datasets. But to account for such anomalies
we should report them in the log-file during matching. This is currently
reported for cases which use Kd-tree for matching.

The idea is to make a separate column for these values and use binary value: 0
if only one object was the nearest neighbor else 1 if more than one object has
the distance of the nearest neighbor.




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