Displaying 1 result from an estimated 1 matches for "rawweight".
2010 Jan 13
1
plotting moving range control chart
...package "qAnalyst" (v. 0.6.0) provides an option to produce a moving
range chart with individuals data. The example given in the qAnalyst manual
for function spc yields an individuals chart:
> #i-chart, moving range to estimate st. dev. is equal to 2 points with
testType=1,
> data(rawWeight)
> ichart=spc(x=rawWeight$rawWeight, sg=2, type="i", name="weight",
testType=1)
> plot(ichart)
> summary(ichart)
Changing "type = 'i'" to "type = 'mr'" yields the moving chart:
> mrchart = spc(x = rawWeight$rawWeight, sg = 2, typ...