rocky: Rockwell hardness, 100 coils produced in sequence at a...

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This data set is the Rockwell Hardness (measured on Rockwell "B" scale) of a sample of 100 steel coins produced in sequence in a Chicago steel mill.




rocky is a time serie with 100 elements.


K.W. Hipel and A.I. McLeod (1994), Time series modelling of water resources and environmental systems, Elsevier, Amsterdam.

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