1. A method for analyzing two or more data streams respectively generated from two or more components of a controllable process, the method comprising the steps of: performing a statistical analysis on each of the two or more data streams to generate first analysis results in the form of respective statistical results for the two or more data streams; and combining at least a portion of the statistical results from at least one of the two or more data streams with at least a portion of the statistical results from at least another one of the two or more data streams to yield second analysis results; wherein the controllable process is adjustable based on at least one of the first analysis results and the second analysis results.