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Re: limitations to missing values ?
From: |
Ben Pfaff |
Subject: |
Re: limitations to missing values ? |
Date: |
Fri, 19 Feb 2016 21:37:50 -0800 |
User-agent: |
Mutt/1.5.23 (2014-03-12) |
On Sat, Feb 20, 2016 at 12:48:45AM +0100, news wrote:
> To my surprise a MISSING VALUES does not work.
>
> I ave a metric variable with the missing values 7 8 9 and want to add the
> value of 3 to the list of missings.
>
> So, I tried first the first command, and as this did not work then the
> others in this list :
> miss val political (3, 7 , 8, 9).
The command above is invalid because at most three discrete missing
values are supported. This is a limitation of the SPSS data file
format, so it can't easily be fixed.
There was a bug here, in that PSPP did not report the error. I've now
fixed that problem.
> miss val political (3 thru 9).
> miss val political (3 thru hi).
The above commands should work, though.
> And never the 3 becomes missing !
> Are there limits to the number of missing a variable can have ? I looked
> into the doc , but did not find info about an eventual limit.
The documentation for the MISSING VALUES command says:
Specify a list of variables, followed by a list of their
user-missing values in parentheses. Up to three discrete values may
be given, or, for numeric variables only, a range of values
optionally accompanied by a single discrete value. Ranges may be
open-ended on one end, indicated through the use of the keyword 'LO'
or 'LOWEST' or 'HI' or 'HIGHEST'.