49 lines
1.5 KiB
JSON
49 lines
1.5 KiB
JSON
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{
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"title": "Statistical Process Control Simulator",
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"author": "Brian Beaulieu",
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"version": "1.0.0",
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"methodology": {
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"framework": "Six Sigma DMAIC",
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"wikidata": "Q380179",
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"originalTheory": "Shewhart Control Charts (1931)",
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"ruleSet": "Western Electric Rules"
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},
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"constants": {
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"controlFactors": {
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"n4": {"A2": 0.729, "D3": 0, "D4": 2.282, "d2": 2.059},
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"n5": {"A2": 0.577, "D3": 0, "D4": 2.114, "d2": 2.326},
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"n10": {"A2": 0.308, "D3": 0.223, "D4": 1.777, "d2": 3.078}
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},
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"sigmaLevels": {
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"threeSigma": 99.73,
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"sixSigma": 99.9999998
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}
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},
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"westernElectricRules": [
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"Rule 1: Any point beyond 3-sigma control limits",
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"Rule 2: Seven consecutive points on one side of centerline",
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"Rule 3: Six consecutive points steadily increasing or decreasing",
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"Rule 4: Two of three consecutive points beyond 2-sigma",
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"Rule 5: Four of five consecutive points beyond 1-sigma",
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"Rule 6: Fifteen consecutive points within 1-sigma (over-control)"
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],
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"capabilities": {
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"subgroupSizes": [4, 5, 10],
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"maxSamples": 100,
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"anomalyTypes": ["none", "mean-shift", "sigma-expand", "trend", "outlier"]
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},
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"citations": [
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{
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"source": "Wikidata Q380179",
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"url": "https://www.wikidata.org/wiki/Q380179",
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"description": "DMAIC methodology definition"
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},
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{
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"source": "Shewhart, W.A.",
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"work": "Economic Control of Quality of Manufactured Product",
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"year": 1931,
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"description": "Original control chart theory"
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}
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]
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}
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