dorsal/arxiv
View SchemaStatistical considerations on safety analysis
| Authors | L. Pal, M. Makai |
|---|---|
| Categories | |
| ArXiv ID | physics/0511140 |
| URL | https://arxiv.org/abs/physics/0511140 |
Abstract
Alerting experience with a well-acknowledged safety analysis code initiated the authors to pay attention to safety issues of complex systems. Their first concern was the statistical characteristics of such a code. We point out a remarkable weakness of the so called 0.95/0.95 methodology: when repeating the search for the tolerance limit, we get a higher value with non-negligible probability. We propose the sign test as an alternative method. We point out the correct form of Wilks' formula when the number of parameters subjected to limitation is two or more.
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"abstract": "Alerting experience with a well-acknowledged safety analysis code initiated\nthe authors to pay attention to safety issues of complex systems. Their first\nconcern was the statistical characteristics of such a code. We point out a\nremarkable weakness of the so called 0.95/0.95 methodology: when repeating the\nsearch for the tolerance limit, we get a higher value with non-negligible\nprobability. We propose the sign test as an alternative method. We point out\nthe correct form of Wilks\u0027 formula when the number of parameters subjected to\nlimitation is two or more.",
"arxiv_id": "physics/0511140",
"authors": [
"L. Pal",
"M. Makai"
],
"categories": [
"physics.data-an"
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"title": "Statistical considerations on safety analysis",
"url": "https://arxiv.org/abs/physics/0511140"
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