Pro Data Visualization Using R and JavaScript by Tom Barker

Author:Tom Barker [Barker, Tom]
Language: eng
Format: epub, pdf
Tags: Computers, Web, Software Development & Engineering, Tools, Web Programming
ISBN: 9781430258063
Publisher: Apress
Published: 2013-06-19T04:00:00+00:00

return $logArray;

}

Next you will create the functionality for the getLocationbyIP() function.

Geolocation by IP

In the getLocationbyIP() function, you can take the array that you made by parsing a line of the access log and use the IP field to get the geographic location. There are many ways to get geographic location by IP address; most involve either calling a third-party API or downloading a third-party database with the IP location information prepopulated. Some of these third parties are freely available; some have a cost associated with them.

For our purposes, you can use the free API available at hostip.info. Figure 5-7 shows the hostip.info home page.

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