Analytics: added end-to-end regression example

analytics/README.md

@@ -27,6 +27,10 @@
 	1. [File Sink Plugin](#filesinkPlugin)
 	2. [Writing Plugins](#writingPlugins)
 
+### Additional Resources
+
+* **End-to-end usage example** of the Wintermute framework to perform regression. Can be found in _operators/regressor_.
+
 # Introduction <a name="introduction"></a>
 In this Readme we describe Wintermute, the DCDB Data Analytics framework, and all data abstractions that are associated with it.