Using Charts to Detect Process Trends
June 19, 2009 @ The Sixth Sigma: Achieve Breakthrough Performance Using Six Sigma from Frank M
Traditional statistical process control charts may obscure signals of process instability, especially if there is a product-only focus. Charting process performance can catch instability sooner. ...... "The Short Run Control Chart takes care of those problems by coding the expected variation (in this case the target) out of the data and plotting data for all the parts on one chart. " ...Via
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