Added link to 'real world example' reading ACS 2000 PUMS data.

Author: lgreski

getclean.md

@@ -14,6 +14,7 @@ permalink: /getclean/
 - [Query string (and other fields-within-fields) unrolling](http://rpubs.com/schnee/32988)
 - [Pre-processing Excel files before loading them into R](https://github.com/alkashef/cleaningexceldata)
 - [Codebook template that can be used in the Getting and Cleaning Data project](https://gist.github.com/JorisSchut/dbc1fc0402f28cad9b41)
+- ["Real world" example - reading American Community Survey 2000 PUMS Data:](https://github.com/lgreski/acsexample) Demonstrates how to extract records of a given type from a data file containing multiple record types, and how to use an Excel-based code book to specify arguments for reading a fixed-width file.
 
 ## Comprehensive Notes