I cannot recall the use of Runs Charts in quite the fashion that Mr.
Scharin describes, i.e. as a substitute for a Control Chart when there
are insufficient observations. That probably valueless observation aside,
one might profitably look at Acheson Duncan's Quality Control and
Industrial Statistics, pp 428 ff. for some useful comments and an
introduction to the technique. There are so-called short-run SPC
techniques that may also be of some avail.
Kwenda mzuri,
Frank
Frank Isackson
re:SOLUTIONS
1724 S. Encino Avenue
Monrovia, CA 91016
USA
626 574 7518 (voice)
626 574 7556 (fax/data)
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