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Re: compare means layers

From: Williams, Dana
Subject: Re: compare means layers
Date: Thu, 7 Sep 2017 17:46:45 -0700
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0

Dear John,

Sorry it's taken awhile for me to respond with more details about this bug. I think the inconsistency between PSPP and SPSS originates in the MEANS syntax command (not PSPPIRE like I originally thought), specifically the placement/presence of the BY subcommand. I wonder if the PSPPIRE dialogs could be left alone if the syntax [sub]commands behind them were reversed. Anyway, here's an attachment with screenshots of the inconsistent output from both programs. Hope this helps. Congrats on the releaseĀ  of v1.0, btw!


On 3/7/2017 6:23 AM, John Darrington wrote:
On Mon, Mar 06, 2017 at 08:06:26AM -0800, Dana Williams wrote:
      Some of my Stats students were following along on PSPP as I demonstrated
      using the compare means function on SPSS (descriptive, not t or F). All
      of this is through the GUI (for both SPSS and PSPP). When adding a
      second layer in SPSS, the independent variable is nested with the first
      IV, in a single output table. However, in PSPPIRE, using the layer tool
      separates the layers into separate tables, but adding multiple IVs into
      a single layer combines (and nests) them together. The functionality of
      PSPPIRE's layer tool seems opposite of SPSS's. Is that correct or am I
      missing something?
No I don't think you're missing anything.  I number of those people have
complained about the same issue.

If someone can provide a detailed description with diagrams about how these
dialogs could be improved then maybe it could be considered for a future


Dana Williams, Ph.D.
Associate Professor
Department of Sociology
California State University, Chico

Attachment: PSPP_compare_means_bug.odt
Description: application/vnd.oasis.opendocument.text

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