Re: Missing Data

[Ben Pfaff]

How would you do this in SPSS?

On Sun, Jan 10, 2021 at 2:30 PM <jhwhite@techwriteinc.com> wrote:
>
> In the frequencies, I see that missing data are not included in "valid 
> percent" and "cumulative percent." The missing cases are the result of 
> question piping in my survey.  So, those who were not taken to question 2 
> based on their answer in question 1 would go to question 5.  As a result, the 
> cases where the individuals did not have an opportunity to answer question 2 
> show up as missing data.  I want to remove this missing data for question 2 
> from statistical calculations not to skew the data in t-tests, crosstabs, etc.
>
> Take care,
> John
> ______________________________
>
>
> Email: JHWhite@TechWriteInc.com
> Website: www.techwriteinc.com
>
> -----Original Message-----
> From: Ben Pfaff <blp@cs.stanford.edu>
> Sent: Sunday, January 10, 2021 5:19 PM
> To: jhwhite@techwriteinc.com; pspp-users <pspp-users@gnu.org>
> Subject: Re: Missing Data
>
> OK, I think I need a more specific description of the problem, then.
> I looked at the Frequencies procedure and I still think that it does what it 
> is documented to do, and what SPSS documents it to do regarding missing 
> values. So, more specifically, what are you doing, what output is appearing, 
> and what looks wrong in that output?
>
> Thanks,
>
> Ben.
>
> On Sun, Jan 10, 2021 at 2:13 PM <jhwhite@techwriteinc.com> wrote:
> >
> > Thank you for your response. I want to remove missing data from all 
> > considerations in descriptive statistics routines.
> >
> > Take care,
> > John
> > ______________________________
> >
> >
> > Email: JHWhite@TechWriteInc.com
> > Website: www.techwriteinc.com
> >
> > -----Original Message-----
> > From: Ben Pfaff <blp@cs.stanford.edu>
> > Sent: Sunday, January 10, 2021 4:58 PM
> > To: jhwhite@techwriteinc.com
> > Cc: pspp-users <pspp-users@gnu.org>
> > Subject: Re: Missing Data
> >
> > On Sun, Jan 10, 2021 at 1:45 PM <jhwhite@techwriteinc.com> wrote:
> > > I have been working on a PSPP data file and doing some cleanup
> > > before I start the data analysis.  This afternoon I started to
> > > address missing data in my variables.  My goal is not to have
> > > missing data included in my data runs.  I made sure that "include missing 
> > > values"
> > > switch is off in the frequency tables option.  I have done this
> > > routine for years in SPSS; but I am not successful in PSPP. Any 
> > > suggestions?
> >
> > Hi, thanks for the comment.
> >
> > It looks to me like both PSPP syntax and the GUI support the same options 
> > for missing value handling as SPSS does. What seem to be "missing" (ha ha)?
> >
> >
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>