[R] Accessing data via url

[John Kane]

--- On Fri, 1/7/11, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote:

> From: Prof Brian Ripley <ripley at stats.ox.ac.uk>
> Subject: Re: [R] Accessing data via url

> ?read.table says
> 
>            ‘file’
> can also be a complete URL.
> 
> This is implemented by url(): see the section on URLs on
> its help 
Thanks


> page.  You haven't followed the posting guide and told
> us your OS, and> what the section says does depend on the OS.

Sorry I thought I had it in my sig file .  Added now.
R 2.12.0 & Windows 7 
> 
> On Thu, 6 Jan 2011, John Kane wrote:
> 
> > #   Can anyone suggest why this works
> >
> > datafilename <- "http://personality-project.org/r/datasets/maps.mixx.epi.bfi.data"
> > person.data  <-
> read.table(datafilename,header=TRUE)
> >
> > # but this does not?
> >
> > dd <- "https://sites.google.com/site/jrkrideau/home/general-stores/trees.txt"
> > treedata <- read.table(dd, header=TRUE)
> >
> >
> ===================================================================
> >
> > Error in file(file, "rt") : cannot open the
> connection
> > In addition: Warning message:
> > In file(file, "rt") : unsupported URL scheme
> >
> > # I can access both through a hyperlink in OOO Calc.
> t
> > #  Thanks
> 
> -- 
> Brian D. Ripley,           
>       ripley at stats.ox.ac.uk
> Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
> University of Oxford,         
>    Tel:  +44 1865 272861 (self)
> 1 South Parks Road,         
>            +44 1865
> 272866 (PA)
> Oxford OX1 3TG, UK           
>     Fax:  +44 1865 272595