Rockwell hardness, 100 coils produced in sequence at a Chicago Steel Mill Data

Description

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.

Usage

data(rocky)

Format

rocky is a time serie with 100 elements.

Source

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

Results