Most data sets come from publications about parameter estimation in Weibull models. See the references in the section "Source" below.
publication_examplesfatigue
susquehanna
pollution
An object of class numeric of length 4.
An object of class numeric of length 10.
An object of class numeric of length 20.
An object of class numeric of length 20.
These small data sets are provided as numeric vectors.
rockette:Artificial sample of length 4 given by Rockette. The maximum likelihood function has two stationary points, none of them is the global maximum.
fatigue:Fatigue times of ten bearings of a specific type in hours.
susquehanna:Maximum flood levels (in millions of cubic feet per second) for the Susquehanna River of Harrisburg (Pennsylvania, USA) over 20 4-year periods.
pollution:Beach pollution levels in South Wales (measured in number of coliform per 100 ml) on 20 days over a 5-week period.