What kind of on-line / real-time applications have you deployed using R? [closed]

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开发者_如何学编程

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R can be very useful for prototyping and some exploratory work. However, I'd like to know what kind of on-line or real-time applications have you (the SO reader) successfully deployed using R and why did you choose R for that task.

Questions:

• What kind of problem did it solve? (trending, analysis, etc.)
• Why did you choose R over other programming languages? (pros/cons: speed, scaling, etc.)

I'm looking for first-hand experiences, so please do not answer unless you have that.

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The breadth of applications is beyond the scope of StackOverflow.

Suppose I said that Java is a fine language for mucking around with APIs, but can anyone point to where it's used in the real world for real deployments? The list would be rather large, with, I kid you not, at least dozens of examples.

If you wish to see examples of real world use, stop by the Bay Area R Users Group, which has had presentations @ or by people from Google, Facebook, LinkedIn, Twitter, and more. There are smaller offshoots in NYC, LA, Chicago, London, and elsewhere (there are even Aussies and Kiwis who use R).

So, the best solution to see documented usage is to go to Meetup.com, search for [city] R user group, and identify a Meetup, then select "Past" to see past presentations.