Here are some quick crib notes on getting R talking to CouchDB using Couch's ReSTful HTTP API. We'll do it in two different ways. First, we'll construct HTTP calls with RCurl, then move on to the R4CouchDB package for a higher level interface. I'll assume you've already gotten started with CouchDB...
I wanted to get R talking to CouchDB. CouchDB is a NoSQL database that stores JSON documents and exposes a ReSTful API over HTTP. So, I needed to issue the basic HTTP requests: GET, POST, PUT, and DELETE from within R. Specifically, to get started, I...
In the world of data preparation a common task is to identify duplicate records in a file or data set. A few years ago, I did most development work in Java, and shudder to think of the amount of code required to accomplish this sort of task. &nbs...
In the world of data preparation a common task is to identify duplicate records in a file or data set. A few years ago, I did most development work in Java, and shudder to think of the amount of code required to accomplish this sort of task. &nbs...
It would be nice if there were an R package, along the lines of RMySQL, for MongoDB. For now there is not – so, how best to get data from a MongoDB database into R? One option is to retrieve JSON via the MongoDB REST interface and parse it using the rjson package. Assuming, for 
As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen.
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As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen.
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As this year's admin, I wrote up the following summary which has now been posted at the R site in the appropriate slot. My thanks to this year's students, fellow mentors and everybody else who helped to make it happen. Projects 2010 As in 2008 a...
A few months ago I switched my laptop from Windows to Ubuntu Linux. I had been connecting to my corporate SQL Server database using RODBC on Windows so I attempted to get ODBC connectivity up and running on Ubuntu. ODBC on Ubuntu turned into an exercise in futility. I spent many hours over many days
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
