[Rd] (PR#9896) read.spss converts string variables with value

[ripley at stats.ox.ac.uk]

There is nothing we can do to reproduce this without an example 'some.sav' 
file exhibiting the problem.  Can you please supply one?

On Mon, 3 Sep 2007, honza at ifolk.cz wrote:

> Full_Name: Jan Hucin
> Version: 2.5.1 (foreign 0.8-20)
> OS: WinXP
> Submission from: (NULL) (195.113.83.7)
>
>
> When reading an SPSS file:
>
> - containing some variable of type String
> - with value labels at that variable
> - and with determination which values of that variable are considered to be
> missing,
>
> I have always get <NA> where digits were in the original SPSS file.
>
> Example:
> Let's have in an SPSS file "some.sav" the variable A. The type of the variable
> is String of length 1.
> Let's have a value labeling: 1 = Yes, 2 = No, 8 = Invalid, 9 = Missing.
> Let's determine that value 9 is considered to be missing.
> When this file is read by abc=read.spss("some.sav",use.value.labels=TRUE), we
> get <NA> in abc$A on places where "1", "2" etc. were. Surprisingly, we get "N/A"
> (not <NA>!) on the place where the string "N/A" is.
>
> If we specify use.value.labels=FALSE, then we get string values (such as "1",
> "2") but we lose value labels (Yes, No etc.).
>
> Let me add that if the variable in the original SPSS file was of type Numeric
> (not String), there would be no problem.
>
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-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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