This is machine translation

Translated by Microsoft
Mouseover text to see original. Click the button below to return to the English version of the page.

Note: This page has been translated by MathWorks. Click here to see
To view all translated materials including this page, select Country from the country navigator on the bottom of this page.

Beta Distribution

Fit, evaluate, and generate random samples from beta distribution.


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
betacdfBeta cumulative distribution function
betapdfBeta probability density function
betainvBeta inverse cumulative distribution function
betalikeBeta negative log-likelihood
betastatBeta mean and variance
betafitBeta parameter estimates
betarndBeta random numbers


BetaDistributionBeta probability distribution object


Beta Distribution

The beta distribution describes a family of curves that are unique in that they are nonzero only on the interval (0 1).