bugPSPP - Bugs: bug #34935, median calculation error - option...

 
 

bug #34935: median calculation error - option FREQUENCIES

Submitter:  None
Submitted:  Tue 29 Nov 2011 02:27:37 PM UTC
   
 
Category:  Numerical Errors Severity:  5 - Average
Status:  Fixed Assigned to:  None
Open/Closed:  Closed Release:  None
Effort:  0.00
* Mandatory Fields

Add a New Comment Rich Markup
   

Tue 29 Nov 2011 03:19:23 PM UTC, comment #1: 

This bug seems to have already been fixed.
See http://git.savannah.gnu.org/cgit/pspp.git/commit/?id=26ff6fce95fb38f0986017dd922c36d4b1b239c7

So if you upgrade to 0.7.8 you should be fine.

Note also that the definition of "Median" is not well defined.  There are at least 5 ways it can be calculated. Examine can
do them all - refer to the manual. Frequencies can only do one
of them (this would not have affected the example you posted).

John Darrington <jmd>
Group administrator
Tue 29 Nov 2011 02:27:37 PM UTC, original submission:  

In contrast to the correct results executed by the EXPLORE command, FREQUENCIES gives wrong result when calculating MEDIAN.

See the attachment!
(of course, same data were used)

Thanks for the PSPP btw!!:)

Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
Comment:
   

Attached Files
file #24495:  median calculated by Frequencies&Explore.pdf added by None (48KiB - application/download)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -email is unavailable- added by jmd (Posted a comment)
  •  

    There are 0 votes so far. Votes easily highlight which items people would like to see resolved in priority, independently of the priority of the item set by tracker managers.

    Only logged-in users can vote.

     

    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2011-11-29 jmd StatusNone Fixed
        Open/ClosedOpen Closed
    2011-11-29 None Attached File- Added median calculated by Frequencies&Explore.pdf, #24495

    Back to the top

    Powered by Savane 3.13-4b48.
    Corresponding source code