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mcnally
2010 Aug 20
0
plotting moving range control chart with qcc. . .
...uot; (v. 1.0).
The package "qAnalyst" (v. 0.6.0) provides an option to produce a
moving range chart with individuals data. "
[It does, but the look of the qAnalyst chart is very different from the
qcc chart, and the qcc charts generally provide more information.]
To which Filthy McNasty replied [on 16 Jan 2010]:
-----
The
moving range chart has the same control limit factors (viz., D3, D4) as
the range chart, so one should be able to feed an
appropriately-constructed matrix into qcc(type = "R"). In other words,
if one can transform the original individual observations 1...