Function to Collect Geographic Coordinates for IP-Addresses

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I added the function IPtoXY to theBioBucket-Archives which collects geographic coordinates for IP-addresses.
It uses a web-service at http://www.datasciencetoolkit.org// and works with the base R-packages.


# System time to collect coordinates of 100 IP-addresses:
> system.time(sapply(log$IP.Address[1:100], FUN = IPtoXY))
       User      System verstrichen
       0.05        0.02       33.10

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