From 6408773d42b666f2730a7245c26b3a1acd936ef5 Mon Sep 17 00:00:00 2001 From: "Robin P. Clark" Date: Mon, 18 Feb 2013 10:24:58 +0000 Subject: [PATCH] meld with work done on work computer --- submission_thesis/CH2_FMEA/copy.tex | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/submission_thesis/CH2_FMEA/copy.tex b/submission_thesis/CH2_FMEA/copy.tex index 43484af..1f45bd4 100644 --- a/submission_thesis/CH2_FMEA/copy.tex +++ b/submission_thesis/CH2_FMEA/copy.tex @@ -743,7 +743,11 @@ will return most cost benefit. % \end{figure} Emphasis on determining criticality rather than the cost of system failures. Applies some Bayesian statistics (probabilities of component failures and those -thereby causing given system level failures)~\cite{bayesfrequentist}. +thereby causing given system level failures). +Applying Bayesian statistics to failure analysis, suffers the +problem that correlation does not imply causation~\cite{bayesfrequentist}. +However, correlation is evidence for causation, and maybe the only evidence to hand +and this is the justification behind its use. A history of the usage and development of FMECA may be found in~\cite{FMECAresearch}.