Data set of the variability of machine heads in a quality improvement experiment.
A data frame with 30 observations on the following 6 variables.
numeric. Observation number.
factor. Periods factor (P1, ..., P6).
factor. Type of head factor (H1, ..., H5).
factor. Day factor (D1 and D2).
factor. Shift factor (S1, S2, and S3).
Box, G. E. P. (1993). "How to Get Lucky". Quality Engineering, Vol. 5, No. 3, pp 517-524.
Box G. E. P, Hunter, J. S. and Hunter, W. C. (2005). Statistics for Experimenters II. New York: Wiley.
1 2 3