[R] Accessing data via url

[Prof Brian Ripley]

?read.table says

           ‘file’ can also be a complete URL.

This is implemented by url(): see the section on URLs on its help 
page.  You haven't followed the posting guide and told us your OS, and 
what the section says does depend on the OS.

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)
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