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readme.txt
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readme.txt
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% Based on the original article %
% Detecting Selected Non-Random Patterns with Individuals Control Charts %
% by J. Marcus Jobe & Michael Pokojovy %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
Copyright (C): Michael Pokojovy and J. Marcus Jobe (2020)
See license.txt for license conditions
This R code implements Western Electric runs rules, Nelson's runs rules, Shewhart X and CUSUM charts.
Instructions:
A) In-control (IC) simulation:
Run IC.sim/shell.R
Warning: Use HPC computing or reduce the value of nrep (to, say, 10000) in IC.sim/run.Nelson.R and
IC.sim/run.other.R
B) In-control (OC) simulation:
Run IC.sim/shell.R
B) Evaluate out-of-control performance of the TS, CUSUM, CUSUM head start and Shewhart X charts
Run evaluate_chart_performance.m (Note that the program will use precomputed control limits, etc.)
C) Run ds.plots/ds.3plots.init.state.R and ds.plots/ds.3plots.steady.state.R to display sample OC
streams for the initial state (steady state size = 0) and steady state (steady state size = 25).