Statistics Toolbox |
 |
Probability Distributions
For each supported distribution, the Statistics Toolbox provides associated functions in each of these categories
Parameter Estimation
betafit
|
Parameter estimation for the beta distribution
|
betalike
|
Negative beta log-likelihood function
|
binofit
|
Parameter estimation for the binomial distribution
|
expfit
|
Parameter estimation for the exponential distribution
|
gamfit
|
Parameter estimation for the gamma distribution
|
gamlike
|
Negative gamma log-likelihood function
|
mle
|
Maximum likelihood estimation
|
nbinfit
|
Parameter estimates and confidence intervals for negative binomial data
|
normfit
|
Parameter estimation for the normal distribution
|
normlike
|
Negative normal log-likelihood function
|
poissfit
|
Parameter estimation for the Poisson distribution
|
raylfit
|
Rayleigh parameter estimation
|
unifit
|
Parameter estimation for the uniform distribution
|
weibfit
|
Weibull parameter estimation
|
weiblike
|
Weibull negative log-likelihood function
|
Cumulative Distribution Functions (cdf)
Probability Density Functions (pdf)
Inverse Cumulative Distribution Functions
betainv
|
Beta critical values
|
binoinv
|
Binomial critical values
|
chi2inv
|
Chi-square critical values
|
expinv
|
Exponential critical values
|
finv
|
F critical values
|
gaminv
|
Gamma critical values
|
geoinv
|
Geometric critical values
|
hygeinv
|
Hypergeometric critical values
|
icdf
|
Parameterized inverse distribution routine
|
logninv
|
Lognormal critical values
|
nbininv
|
Negative binomial critical values
|
ncfinv
|
Noncentral F critical values
|
nctinv
|
Noncentral t critical values
|
ncx2inv
|
Noncentral Chi-square critical values
|
norminv
|
Normal (Gaussian) critical values
|
poissinv
|
Poisson critical values
|
raylinv
|
Rayleigh critical values
|
tinv
|
Student's t critical values
|
unidinv
|
Discrete uniform critical values
|
unifinv
|
Continuous uniform critical values
|
weibinv
|
Weibull critical values
|
Random Number Generators
betarnd
|
Beta random numbers
|
binornd
|
Binomial random numbers
|
chi2rnd
|
Chi-square random numbers
|
exprnd
|
Exponential random numbers
|
frnd
|
F random numbers
|
gamrnd
|
Gamma random numbers
|
geornd
|
Geometric random numbers
|
hygernd
|
Hypergeometric random numbers
|
iwishrnd
|
Inverse Wishart random matrix
|
lhsdesign
|
Latin hypercube sample
|
lhsnorm
|
Latin hypercube sample with normal distribution
|
lognrnd
|
Lognormal random numbers
|
mvnrnd
|
Multivariate normal random numbers
|
mvtrnd
|
Multivariate t random numbers
|
nbinrnd
|
Negative binomial random numbers
|
ncfrnd
|
Noncentral F random numbers
|
nctrnd
|
Noncentral t random numbers
|
ncx2rnd
|
Noncentral Chi-square random numbers
|
normrnd
|
Normal (Gaussian) random numbers
|
poissrnd
|
Poisson random numbers
|
random
|
Parameterized random number routine
|
raylrnd
|
Rayleigh random numbers
|
trnd
|
Student's t random numbers
|
unidrnd
|
Discrete uniform random numbers
|
unifrnd
|
Continuous uniform random numbers
|
weibrnd
|
Weibull random numbers
|
wishrnd
|
Wishart random matrix
|
Moments of Distribution Functions
betastat
|
Beta mean and variance
|
binostat
|
Binomial mean and variance
|
chi2stat
|
Chi-square mean and variance
|
expstat
|
Exponential mean and variance
|
fstat
|
F mean and variance
|
gamstat
|
Gamma mean and variance
|
geostat
|
Geometric mean and variance
|
hygestat
|
Hypergeometric mean and variance
|
lognstat
|
Lognormal mean and variance
|
nbinstat
|
Negative binomial mean and variance
|
ncfstat
|
Noncentral F mean and variance
|
nctstat
|
Noncentral t mean and variance
|
ncx2stat
|
Noncentral Chi-square mean and variance
|
normstat
|
Normal (Gaussian) mean and variance
|
poisstat
|
Poisson mean and variance
|
raylstat
|
Rayleigh mean and variance
|
tstat
|
Student's t mean and variance
|
unidstat
|
Discrete uniform mean and variance
|
unifstat
|
Continuous uniform mean and variance
|
weibstat
|
Weibull mean and variance
|
| Reference | | Descriptive Statistics |  |