[R] Importing data using Foreign

Elham Daadmehr e@d@@dmehr @end|ng |rom gm@||@com
Wed Aug 26 17:06:30 CEST 2020


Thanks guys. but I'm a bit confused. the input is the first column (z[,1]
and z1[,1]).
How is it possible that a subset of a non-NA vector, contains NA?

On Wed, Aug 26, 2020 at 4:58 PM Eric Berger <ericjberger using gmail.com> wrote:

> Good point! :-)
>
>
> On Wed, Aug 26, 2020 at 5:55 PM peter dalgaard <pdalgd using gmail.com> wrote:
>
>> Offhand, I suspect that the NAs are in the 8th column.
>>
>> > On 26 Aug 2020, at 10:57 , Elham Daadmehr <e.daadmehr using gmail.com> wrote:
>> >
>> > Hi all,
>> >
>> > I have a simple problem. I get stuck in using the imported spss data
>> (.sav)
>> > using "read.spss".
>> > I imported data (z) without any problem. After importing, the first
>> column
>> > doesn't contain any "NA". but when I choose a subset of it (like:
>> > z[z[,8]=="11"|z[,8]=="12"|z[,8]=="14",]), lots of NA appears (even in
>> the
>> > first column).
>> >
>> > The (.sav) file is the output of Compustat (WRDS).
>> >
>> > It is terrible, I can't find the mistake.
>> >
>> > Thank you in advance for your help,
>> > Elham
>> >
>> >       [[alternative HTML version deleted]]
>> >
>> > ______________________________________________
>> > R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> > https://stat.ethz.ch/mailman/listinfo/r-help
>> > PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> > and provide commented, minimal, self-contained, reproducible code.
>>
>> --
>> Peter Dalgaard, Professor,
>> Center for Statistics, Copenhagen Business School
>> Solbjerg Plads 3, 2000 Frederiksberg, Denmark
>> Phone: (+45)38153501
>> Office: A 4.23
>> Email: pd.mes using cbs.dk  Priv: PDalgd using gmail.com
>>
>> ______________________________________________
>> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html
>> and provide commented, minimal, self-contained, reproducible code.
>>
>

	[[alternative HTML version deleted]]



More information about the R-help mailing list