EDRM Diagrams – A History

While the EDRM diagram has remained essentially the same since its inception, it has changed in modest ways over the years.  Here is a visual tour of the diagrams (select diagram to view larger version):

2014 Version

EDRM - Chart_v3

2009 Version

2009 EDRM diagram

Second 2007 Version

2007 EDRM graphic

First 2007 Version


Third 2005 Version & Jan 2006 Public Version

2005 EDRM diagram

Second 2005 Version

\r\n2005 draft EDRM diagram

First 2005 Version

2005 draft EDRM diagram