All functions |
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Base Series System for Simulation Study |
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Conditional candidate set sampler when component cause of failure is known and the system lifetime is observed. (UNTESTED) |
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pdf for weibull series |
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Generate data like that from the Guo et al. model, table 2. |
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Weibull series MLE of |
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Example Data for a Series System (Table 2, Guo 2013) |
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Weibull Series System Hazard Function |
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Hazard function for weibull series. |
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Generates a hessian of the log-likelihood function (negative of the observed
FIM) for a Weibull series system with respect to parameter |
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Generates a log-likelihood function for a Weibull series system with respect
to parameter |
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Masked Data Model for Series Systems with Component Cause of Failure |
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Check if a masked data frame is identifiable. (UNTESTED) |
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Random sampler for candidate sets given a data frame. |
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Add latent component cause of failure to a masked data frame |
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Empirical candidate set sampler when component cause of failure is known. (UNTESTED) |
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Generates right-censored system failure times and right-censoring indicators for a series system with the given data frame of component lifetimes. |
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Gradient ascent MLE solver for Weibull series model with masked component cause of failure with observation of exact system lifetime and right censoring. |
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L-BFGS-B MLE solver for the Weibull series model with masked component cause of failure with observation of exact system lifetime and right censoring. |
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Nelder-Mead MLE solver for the Weibull series model with masked component cause of failure with observation of exact system lifetime and right censoring. |
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Newton-raphson MLE solver for Weibull series model with masked component cause of failure with observation of exact system lifetime and right censoring. |
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Simulated annealing MLE solver for the Weibull series model with masked component cause of failure with observation of exact system lifetime and right censoring. |
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The cumulative distribution function for Weibull series |
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Quantile function (inverse of the cdf).
By definition, the quantile p * 100% for a strictly monotonically increasing
cdf F is the value t that satisfies |
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Sampler for weibull series. |
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Cmputes the score function (gradient of the log-likelihood function) for a
Weibull series system with respect to parameter |
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Slowly computes the score function (gradient of the log-likelihood function) for a
Weibull series system with respect to parameter |
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Survival function for weibull series |
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Mean-Time-To-Failure for Weibull |
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The component cause of failure for the Weibull series distribution. |
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The mean time to failure for the Weibull series system. |