bugPSPP - Bugs: bug #44702, Boxplot y axis too tight

 
 

bug #44702: Boxplot y axis too tight

Submitter:  Daniel Schlieper <daniel_schlieper>
Submitted:  Thu 02 Apr 2015 04:50:17 PM UTC
   
 
Category:  Output Driver Severity:  3 - Ordinary
Status:  Confirmed Assigned to:  None
Open/Closed:  Open Release:  None
Effort:  0.00
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Tue 01 Mar 2016 09:48:19 AM UTC, comment #1: 

I extracted the data from all the files below. The behavior can be seen with the following code.


DATA LIST LIST /Example *.
BEGIN DATA
14
22
12
14
24
8
15
16
12
8
19
12
22
13
18
END DATA

EXAMINE
     variables=Example
     /plot=boxplot .


I attached a screenshot with the boxplot "boxplot-range" showing that the boxplot is on the frame border.

However, I am not even sure if we should change this. This is a general question if the min and max values should be at the frame border or not.




Friedrich Beckmann <beckmanf>
Group Member
Thu 02 Apr 2015 04:50:17 PM UTC, original submission:  

Dear PSPP team,

I tried to get a boxplot from the attached test data, but the frame of the figure overlaps with the plot. This way, it is impossible to use the plot (see test1.png).

The y axis of the boxplot should start with 0 and end with a value slightly higher than max. Ideally, the range would be an optional parameter.

A workaround is the addition of a mock variable that forces the y axis to a useful range (see workaround1.png).

Attached are the ods files for the data. Here are the scripts to reproduce the figures:

show bug:
==============================================================
pspp -O charts=bug#.png
get data /type=ods /file='BoxplotTest.ods'.
examine variables=Example /plot=boxplot .
finish.


get usable boxplot with y from 0 to 23
==============================================================
pspp -O charts=workaround#.png
get data /type=ods /file='BoxplotWorkAround.ods'.
examine variables=Example Mock /compare=variables /plot=boxplot.
finish.

Best regards, Daniel

 Daniel Schlieper <daniel_schlieper>

 

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Attach Files:
   
   
Comment:
   

Attached Files
file #36520:  boxplot-range.JPG added by beckmanf (21KiB - image/jpeg)
file #33512:  test1.png added by daniel_schlieper (7KiB - image/png - see text)
file #33513:  BoxplotTest.ods added by daniel_schlieper (12KiB - application/vnd.oasis.opendocument.spreadsheet - see text)
file #33514:  workaround1.png added by daniel_schlieper (7KiB - image/png - see text)
file #33515:  BoxplotWorkAround.ods added by daniel_schlieper (13KiB - application/vnd.oasis.opendocument.spreadsheet - see text)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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  • -email is unavailable- added by beckmanf (Updated the item)
  • -email is unavailable- added by daniel_schlieper (Submitted the item)

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    Follow 8 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2016-03-01 beckmanf StatusNone Confirmed
    2016-03-01 beckmanf Attached File- Added boxplot-range.JPG, #36520
        CategoryNone Output Driver
        Severity5 - Average 3 - Ordinary
    2015-04-02 daniel_schlieper Attached File- Added test1.png, #33512
        Attached File- Added BoxplotTest.ods, #33513
        Attached File- Added workaround1.png, #33514
        Attached File- Added BoxplotWorkAround.ods, #33515

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