Craig Bowman with some concise tutorials on understanding the Maya graph editor and its basic uses, if you are starting out and a little confused, there are some good examples and explanations in these videos to help you out!
Maya’s World – Maya 2011 Graph Editor (Curve Directions) from Craig Bowman on Vimeo.
Maya 2011 Graph Editor (Timing & Mass) from Craig Bowman on Vimeo.
Maya 2011 Graph Editor (Box Example) from Craig Bowman on Vimeo.
Really useful great video Thanks.