PSPP-BUG: [bug #44264] MEANS procedure produces surprising and incompatible output

[Ben Pfaff]

URL:
  <http://savannah.gnu.org/bugs/?44264>

                 Summary: MEANS procedure produces surprising and incompatible
output
                 Project: PSPP
            Submitted by: blp
            Submitted on: Sun 15 Feb 2015 02:19:07 PM PST
                Category: Output Driver
                Severity: 5 - Average
                  Status: None
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
                 Release: None
                  Effort: 0.00

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Details:

Zoltán Fábián <address@hidden> reported on the pspp-users mailing list,
archived at
http://lists.gnu.org/archive/html/pspp-users/2015-01/msg00077.html, the
following (the attachments are uploaded to this bug report):

User guide (version 0.8.4) writes:

"More than one table can be specified in a single command. Each table is
separated by a ‘/’. For example
MEANS TABLES =
c d e BY x
/a b BY x y
/f BY y BY z.
has three tables (the ‘TABLE =’ is optional). The first table has three
dependent variables c, d and e and a single categorical variable x. The second
table has two dependent variables a and b, and two categorical variables x and
y. The third table has a single dependent variables f and a categorical
variable formed by the combination of y and z." (p. 139)

The emphasis is on the third table. PSPP produces two tables for means of f by
y and mean of f by x, rather than one for mean f by combination of y and z.
SPSS *can* do it. I have attached two sample outputs. One for PSPP, and one
for SPSS.
It would be very useful to resolve this issue.



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File Attachments:


-------------------------------------------------------
Date: Sun 15 Feb 2015 02:19:07 PM PST  Name: pspp_means_example.pdf  Size:
40kB   By: blp

<http://savannah.gnu.org/bugs/download.php?file_id=33087>
-------------------------------------------------------
Date: Sun 15 Feb 2015 02:19:07 PM PST  Name: spss_means_example.pdf  Size:
14kB   By: blp

<http://savannah.gnu.org/bugs/download.php?file_id=33088>

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