Ha Thanks,

  That was it.

On Sat, Oct 9, 2010 at 2:38 PM, Joshua Wiley <jwiley.psych@gmail.com> wrote:

> Hi Steven,
>
> As near as I can tell, no precision is lost.  R is just being
> courteous and not excessively filling our consoles.  Try:
>
> print(airports[1,"latitude_deg"], digits = 22)
>
> which is the most digits R will print (although internally it can
> store more I believe).
>
> Alternately, you can convert it to character class:
>
> as.character(airports[1, ])
>
> So in short, this is just a cosmetic feature of presenting the data,
> not its actual storage.
>
> Cheers,
>
> Josh
>
> On Sat, Oct 9, 2010 at 1:33 PM, steven mosher <moshersteven@gmail.com>
> wrote:
> > Given a csv file from this location
> >
> > Airports<-"http://www.ourairports.com/data/airports.csv"
> >
> > download.file(Airports,basename(Airports))
> >
> >
> > airports <-read.csv("airports.csv",encoding="UTF-8")
> >
> >> airports[1,]
> >
> >    id ident     type              name latitude_deg longitude_deg
> > elevation_ft continent iso_country iso_region municipality
> scheduled_service
> >
> > 1 6523   00A heliport Total Rf Heliport      *40.0708      -74.9336 *
> >  11      <NA>          US      US-PA     Bensalem                no
> >
> >  gps_code iata_code local_code home_link wikipedia_link keywords
> >
> > 1      00A                  00A
> >
> >
> > And the precision is lost which we can show by using readLines:
> >
> >
> > fred<-readLines("airports.csv")
> >
> >> fred[2]
> > [1] "6523,\"00A\",\"heliport\",\"Total Rf Heliport\",*
> > 40.07080078125,-74.9336013793945*
> > ,11,\"NA\",\"US\",\"US-PA\",\"Bensalem\",\"no\",\"00A\",,\"00A\",,,"
> >
> >
> > I tried various approaches, using colClasses, switching to read.tables,
> > specifying dec="."
> >
> >
> > I tested read.csv and it does preserve precision on my test case, but not
> on
> > this data.
> >
> >
> > Ideas?
> >
> >        [[alternative HTML version deleted]]
> >
> > ______________________________________________
> > R-help@r-project.org mailing list
> > 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.
> >
>
>
>
> --
> Joshua Wiley
> Ph.D. Student, Health Psychology
> University of California, Los Angeles
> http://www.joshuawiley.com/
>

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