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 - [Apples to Oranges Data Organisation Challenge](https://github.com/thoughtfulbloke/faoexample)
 - [dplyr Video Tutorial](https://www.youtube.com/watch?v=jWjqLW-u3hc) and [R Markdown document](http://rpubs.com/justmarkham/dplyr-tutorial): An [update](http://blog.rstudio.org/2014/01/17/introducing-dplyr/) to the plyr package, useful for subsetting, sorting, summarizing, and merging data using a more intuitive syntax than plyr or base R.
 - [Downloading files general advice](http://rpubs.com/thoughtfulbloke/downloadtips)
+- [Query string (and other fields-within-fields) unrolling](http://rpubs.com/schnee/32988)