hi, the sas universal viewer might be a free, non-R way to convert a
sas7bdat file to non-proprietary formats, not sure if it's windows-only.
those other formats should be easier to import only a subset of columns
into R..
https://support.sas.com/downloads/browse.htm?fil=&cat=74
On Thu, Aug 10, 2017 at 7:42 AM, peter dalgaard <pdalgd at gmail.com>
wrote:
> I had a look at this a while back and it didn't seem to be easy. The
path
> of least resistance would seem to be to use SAS itself to create a data set
> with fewer columns, but of course that requires you to get access to SAS.
>
> Otherwise, I think you'd have to modify sas7bdat::read.sas7bdat to drop
> unselected columns. That function is pure R code, so it might not be quite
> as hard as it sounds.
>
> Incidentally, do teach your mailer to not send plain text. It is not much
> of a problem this time, but HTML mails can become quite unreadable on the
> list.
>
>
> -pd
>
>
> > On 10 Aug 2017, at 12:24 , Utkarsh Singhal <utkarsh.iit at
gmail.com>
> wrote:
> >
> > Hello everyone,
> >
> > I want to import data from huge sas files with 100s of columns. The
good
> > thing is that I am only interested in a few selected columns. Is there
> any
> > way to do that without loading the full dataset.
> >
> > I have tried two functions: (1) read.sas7bdat *[from library
> 'sas7bdat']*,
> > and (2) read_sas *[from library 'haven']. *But couldn't
find what I am
> > looking for.
> >
> > Best regards,
> > Utkarsh Singhal
> > 91.96508.54333
> >
> > [[alternative HTML version deleted]]
> >
> > ______________________________________________
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> > PLEASE do read the posting guide http://www.R-project.org/
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> > 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 at cbs.dk Priv: PDalgd at gmail.com
>
> ______________________________________________
> R-help at 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.
>
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