In presenting the thesis Gaussian Mixture Approach to Detect Drift in partial fulfillment of the requirements for an advanced degree at the Rochester Insti-tute of Technology, I agree that the Library shall make it freely available for inspection. I further agree that permission for copying as provided for by the Copyright Law of the U.S. (Title 17, U.S. Code) of this thesis for scholarly purposes may be granted by the Librarian. It is understood that any copying or publication of this thesis for financial gain shall not be allowed without my written permission. I hereby grant permission to the RIT Library to copy my thesis for scholarly purposes