Description Usage Arguments Details Value Author(s) See Also Examples
Builds the x-bar control chart for phase I.
1 | cchart.Xbar1(x, sizes)
|
x |
The data to be plotted. |
sizes |
A value or a vector of values specifying the sample sizes associated with each group. |
Even if the data is not normal the x-bar statistic will be close to the normal by the central limit theorem.
Return a x-bar control chart for phase I.
Daniela R. Recchia, Emanuel P. Barbosa
cchart.Xbar2
1 2 | data(pistonrings)
cchart.Xbar1(pistonrings[1:25, ])
|
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