[R] need help on read.spss

[Eik Vettorazzi]

Hi,
if you specify to.data.frame=T, then "use.missings" is implictly set to
T as well, which causes different results for (user-defined) missing values.

cheers.

Am 11.10.2011 12:07, schrieb Smart Guy:
> Hi,
>       I have one doubt about one of the parameter of 'read.spss()' from
> 'foreign' package.
> Here is the syntax :-
> 
> read.spss ( file,
>     use.value.labels = TRUE,
>     to.data.frame = FALSE,
>     max.value.labels = Inf,
>     trim.factor.names = FALSE,
>     trim_values = TRUE,
>     reencode = NA,
>     use.missings = to.data.frame )
> 
> 
> In above syntax when I pass *'to.data.frame= FALSE*' it gives me missing
> values from SPSS file (that I try to read using read.spss() ). But when I
> pass '*to.data.frame = TRUE*' then its not giving me missing values. And
> need to get missing values.
> 
> According to read.spss() documentation
> 
> *to.data.frame :  return a data frame?*
> 
> I am curious to know, if we pass *'to.data.frame = TRUE*' , is it going to
> cause some issue or effect something? I didn't understand the read.spss()
> documentation correctly.
> Please explain.
> 
> Thanks in Advance
> 


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Eik Vettorazzi

Department of Medical Biometry and Epidemiology
University Medical Center Hamburg-Eppendorf

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