Obtain latitude and longitude from address without the use of Google API

Question

I am currently working on a large population-based database where it is required that I compute the distance between two addresses for each individual. My first train of tho

Answer 1

I would recommend that you try the RDSTK package which interfaces with the Data Science Toolkit. It is available on github.

EDIT. To compute the Road Distance, I would recommend the Mapquest Directions API, which appears to have no preset limits as per this link. Let me know how it goes.

Answer 2

More options:

• The geonames package to retrieve information from the geonames service.
• The osmar package to use the API of openstreetmap.

Besides, the gdistance package is useful for distance calculations on geographical grids.

Answer 3

What you are doing is called "geocoding". Knowing that will greatly improve your ability to search for more info :) You may have already known that since you tagged the question properly, but I wanted to make sure.

Here's a really good previous Stack Overflow question, albeit not R specific.