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Sent: Thursday, March 29, 2012 9:30 PM
Subject: Pspp-users Digest, Vol 71,
Issue 19
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Today's Topics:
1. PSPP FEEDBACK (Giovanny
Leon)
2. Re: PSPP FEEDBACK (John Darrington)
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Message: 1
Date: Wed, 28 Mar 2012 22:16:47 -0600
From: Giovanny Leon <
address@hidden>
To:
address@hiddenSubject: PSPP FEEDBACK
Message-ID:
<CALRmLe0JGYc7OaVwxYN9YKqjdp7HFh=
address@hidden>
Content-Type: text/plain; charset="iso-8859-1"
Good morning!!!
I recently begin to use the PSPP statistical program.
?t?s a very good alternative for the SPSS. It has a very friendly
interface and it?s easy to use and perform a large number of
statistical
tests.
I like to make two suggestions for improvement of this program:
*1. Include the LEVENE test for variance homogeneity as a separate test*
**
The LEVENE test is included in your program as part of the T test used to
compare means, but it is not included as a separate test, like the one
included in the SPSS.
For me, this is a critical issue, because the LEVENE test is used to
determine whether to use PARAMETRIC or NON PARMETRIC TESTS.
The PSPP includes both parametric and non parametric tests, You can
determine if you can use one of each with the 1 - Sample Kolmogorov -
Smirnov Test (included in the PSPP program), but, from an statistical point
of view, the use of the LEVENE Test is also required determine if you use
parametric or non parametric test.
My suggestion is to include in the PSPP the LEVENE test, in a similar way
as the SPSS does. This will give, in my
opinion, more strenght to your
program.
*2. Exporting graphs to other types of documents*
**
I?ve some difficulties exporting graphs to the Word program. Instead of a
graph, rows and columns of data appear in Word.
I suggest in this case to review this issue. In the SPSS, one can Copy a
graph a the paste it in a Word document with no problem.
I hope this feedback be useful in developing newer versions of the PSPP.
Regards!
Giovanny Le?n
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Message: 2
Date: Thu, 29 Mar 2012 06:31:01 +0000
From: John Darrington <
address@hidden>
To: Giovanny
Leon <
address@hidden>
Cc:
address@hiddenSubject: Re: PSPP FEEDBACK
Message-ID: <
address@hidden>
Content-Type: text/plain; charset="us-ascii"
Many thanks for your comments.
On Wed, Mar 28, 2012 at 10:16:47PM -0600, Giovanny Leon wrote:
The LEVENE test is included in your program as part of the T test used to
compare means, but it is not included as a separate test, like the one
included in the SPSS.
My suggestion is to include in the PSPP the LEVENE test, in a similar way
as the SPSS does. This
will give, in my opinion, more strenght to your
program.
I don't see such a command mentioned in the documentation for SPSS v20 Is this
something SPSS have very recently added? Can you provide a reference for this
command and a description of its syntax?
*2. Exporting graphs to other types of documents*
**
I?ve some difficulties exporting graphs to the Word program. Instead of a
graph, rows and columns of data appear in Word.
I suggest in this case to review this issue. In the SPSS, one can Copy a
graph a the paste it in a Word document with no problem.
We are actively working on improving the graphs and the clipboard behaviour in
PSPP. Hopefully these improvements will make it to the next release.
I hope this feedback be useful in developing newer versions of the PSPP.
It sure is. Feedback (both positive and negative) is always useful.
J'
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