PSPP-BUG: [bug #47139] EXAMINE plot histogram does wrong binning

[Friedrich Beckmann]

URL:
  <http://savannah.gnu.org/bugs/?47139>

                 Summary: EXAMINE plot histogram does wrong binning
                 Project: PSPP
            Submitted by: beckmanf
            Submitted on: So 14 Feb 2016 12:19:36 GMT
                Category: Numerical Errors
                Severity: 5 - Average
                  Status: Confirmed
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: None
                  Effort: 0.00

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Details:

The following code produces a wrong histogram plot. 


DATA LIST LIST /A *.
BEGIN DATA
1
1
1
2
2
3
3
3,5
3
4
4
4
5
5
6,5
7
END DATA


LIST /FORMAT=NUMBERED.

EXAMINE
        Variables = A
        /plot = histogram
        .


The produced plot has an empty bin in the range (6,7) and three entries in the
(5,6) bin. 
Expected: (5,6) bin should have 2 entries and the (6,7) bin should have two
entries.

I have noticed this problem on the macports version 0.9.0-g03a7b9. 

Friedrich



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File Attachments:


-------------------------------------------------------
Date: So 14 Feb 2016 12:19:36 GMT  Name: histogram-bug.JPG  Size: 54kB   By:
beckmanf

<http://savannah.gnu.org/bugs/download.php?file_id=36333>

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