Erin Hodgess wrote:
> Dear R:
>
> In the foreign library, there is a function "write.foreign".
>
> When this is used to write to an SPSS file, there are
> actually 2 files as output: a data file and a code file.
>
> How would you coordinate these to become an SPSS sav file,
> please?

 Using the warpbreaks dataset as an example, do the following in R:

library(foreign)
write.foreign(warpbreaks, "c:/warpbreaks.dat", "c:/warpbreaks.sps",
package="SPSS")

 In SPSS, open the syntax file "warpbreaks.sps". This syntax will
read in the data and apply variable and value labels to variables that
were factors in R. I find you often need to edit the syntax file
created by write.foreign just a bit in SPSS. Here is what write.foreign
produces for me:

DATA LIST FILE= c:/warpbreaks.dat free
/ breaks wool tension

VARIABLE LABELS
breaks "breaks"
wool "wool"
tension "tension"

VALUE LABELS
/
wool
1 "A"
2 "B"
/
tension
1 "L"
2 "M"
3 "H"

EXECUTE.

 You need to add some periods and quotation marks in critical places
for this to run properly in SPSS.

DATA LIST FILE= "c:/warpbreaks.dat" free
/ breaks wool tension .

VARIABLE LABELS
breaks "breaks"
wool "wool"
tension "tension" .

VALUE LABELS
/
wool
1 "A"
2 "B"
/
tension
1 "L"
2 "M"
3 "H" .

EXECUTE.

 Once the data has been read in by running the code file, it can be
saved in the SPSS format.

> Thanks so much!
>
> R Version 2.1.0 Windows
>
> Sincerely,
> Erin Hodgess
> mailto: hodgess@(protected)
>
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>
>

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