I got the following:
> library(foreign)
> swal = read.spss("swallowing.sav", to.data.frame =TRUE)
Warning message:
In read.spss("swallowing.sav", to.data.frame = TRUE) :
  swallowing.sav: Unrecognized record type 7, subtype 21 encountered in system file
> 

The bulk of the data seems to read in  a usable form, but I'm curious about what might be getting lost because I don't know how to translate type 7, subtype 21.  I did not generate the SPSS data so I'm not certain of the version, but I'm assuming version 18 or 19.  I did a quick Find on the PSPP manual for Type 7 and subtype 21 and came up dry.

Any insights or clues how I might learn more?  

Thanks,
Rob


> R.Version()
$platform
[1] "i386-pc-mingw32"

$arch
[1] "i386"

$os
[1] "mingw32"

$system
[1] "i386, mingw32"

$status
[1] ""

$major
[1] "2"

$minor
[1] "12.2"

$year
[1] "2011"

$month
[1] "02"

$day
[1] "25"

$`svn rev`
[1] "54585"

$language
[1] "R"

$version.string
[1] "R version 2.12.2 (2011-02-25)"



------------------------------------------
Robert W. Baer, Ph.D.
Professor of Physiology
Kirksville College of Osteopathic Medicine
A. T. Still University of Health Sciences
Kirksville, MO 63501
660-626-232
FAX 660-626-2965

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