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Weibull Distribution

Fit, evaluate, and generate random samples from Weibull distribution

Functions

makedistCreate probability distribution object
fitdistFit probability distribution object to data
distributionFitterOpen Distribution Fitter app
cdfCumulative distribution function
icdfInverse cumulative distribution function
iqrInterquartile range
meanMean of probability distribution
medianMedian of probability distribution
negloglikNegative loglikelihood of probability distribution
paramciConfidence intervals for probability distribution parameters
pdfProbability density function
proflikProfile likelihood function for probability distribution
randomRandom numbers
stdStandard deviation of probability distribution
truncateTruncate probability distribution object
varVariance of probability distribution
wblcdfWeibull cumulative distribution function
wblpdfWeibull probability density function
wblinvWeibull inverse cumulative distribution function
wbllikeWeibull negative log-likelihood
wblstatWeibull mean and variance
wblfitWeibull parameter estimates
wblrndWeibull random numbers
wblplotWeibull probability plot

Objects

WeibullDistributionWeibull probability distribution object

Topics

Weibull Distribution

The Weibull pdf is an appropriate analytical tool for modeling the breaking strength of materials. Current usage also includes reliability and lifetime modeling.