Weibull
Speech parts
1. Weibull - Noun
2. Weibull - Proper noun
Meaning
Weibull (plural Weibulls)
Any of various probability distributions used to model the amount of time for which something can be used until it ceases to be operable.
Weibull
A surname.
Phrases with the word
Examples
Alternative distributions such as the Weibull or gamma may give a better fit to the data, or a semi-parametric model, such as the Cox proportional-hazards model, may be required for statistical analysis.
In medical research, survival is most commonly modeled using non-parametric or semi-parametric methods such as the Kaplan-Meier plot and Cox proportional hazards regression, rather than with parametric distributions such as the exponential or Weibull.
In these situations, the Weibull or gamma distribution is commonly used, particularly for machines or devices.
The figure shows a Weibull distribution fit to the age at first marriage.