Color property/time series
Color property from 35 consecutive batches in an industrial process.
data(color)
The format is: Time-Series [1:35] from 1 to 35: 67 63 76 66 69 71 72 71 72 72 ...
“The Estimation of Sigma for an X Chart”, Journal of Quality Technology, Vol. 22, No. 3 (July 1990), by Jonathan D. Cryer and Thomas P. Ryan.
data(color) ## maybe str(color) ; plot(color) ...
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