Function |
Purpose
Statement |
randomArma |
Generates pseudorandom
ARMA process numbers. |
randomBeta |
Generates pseudorandom
numbers from a beta
distribution. |
randomBinomial |
Generates pseudorandom
binomial numbers. |
randomCauchy |
Generates pseudorandom
numbers from a Cauchy
distribution. |
randomChiSquared |
Generates pseudorandom
numbers from a
chi-squared
distribution. |
randomExponential |
Generates pseudorandom
numbers from a
standard exponential
distribution. |
randomExponentialMix |
Generates pseudorandom
mixed numbers from a
standard exponential
distribution. |
randomGamma |
Generates pseudorandom
numbers from a
standard gamma
distribution. |
randomGeneralContinuous |
Generates pseudorandom
numbers from a general
continuous
distribution. |
randomGeneralDiscrete |
Generates pseudorandom
numbers from a general
discrete distribution
using an alias method
or optionally a table
lookup method. |
randomGeometric |
Generates pseudorandom
numbers from a
geometric
distribution. |
randomGfsrTableGet |
Retrieves the current
table used in the GFSR
generator. |
randomGfsrTableSet |
Sets the current table
used in the GFSR
generator. |
randomHypergeometric |
Generates pseudorandom
numbers from a
hypergeometric
distribution. |
randomLogarithmic |
Generates pseudorandom
numbers from a
logarithmic
distribution. |
randomLognormal |
Generates pseudorandom
numbers from a
lognormal
distribution. |
randomMt32Init |
Initializes the 32-bit
Mersenne Twister
generator using an
array. |
randomMt32TableGet |
Retrieves the current
table used in the
32-bit Mersenne
Twister generator. |
randomMt32TableSet |
Sets the current table
used in the 32-bit
Mersenne Twister
generator. |
randomMt64Init |
Initializes the 64-bit
Mersenne Twister
generator using an
array. |
randomMt64TableGet |
Retrieves the current
table used in the
64-bit Mersenne
Twister generator. |
randomMt64TableSet |
Sets the current table
used in the 64-bit
Mersenne Twister
generator. |
randomMultinomial |
Generates pseudorandom
numbers from a
multinomial
distribution. |
randomMvarFromData |
Generates pseudorandom
numbers from a
multivariate
distribution
determined from a
given sample. |
randomMvarGaussianCopula |
Given a Cholesky
factorization of a
correlation matrix,
generates pseudorandom
numbers from a
Gaussian Copula
distribution. |
randomMvarTCopula |
Given a Cholesky
factorization of a
correlation matrix,
generates pseudorandom
numbers from a
Student’s t Copula
distribution. |
randomNegBinomial |
Generates pseudorandom
numbers from a
negative binomial
distribution. |
randomNormal |
Generates pseudorandom
numbers from a normal,
\(N(\mu,\sigma^2)\),
distribution. |
randomNormalMultivariate |
Generates pseudorandom
numbers from a
multivariate normal
distribution. |
randomNpp |
Generates pseudorandom
numbers from a
nonhomogeneous Poisson
process. |
randomOption |
Selects the uniform
(0, 1) multiplicative
congruential
pseudorandom number
generator. |
randomOptionGet |
Retrieves the uniform
(0, 1) multiplicative
congruential
pseudorandom number
generator. |
randomOrderNormal |
Generates pseudorandom
order statistics from
a standard normal
distribution. |
randomOrderUniform |
Generates pseudorandom
order statistics from
a uniform (0, 1)
distribution. |
randomOrthogonalMatrix |
Generates a
pseudorandom
orthogonal matrix or a
correlation matrix. |
randomPermutation |
Generates a
pseudorandom
permutation. |
randomPoisson |
Generates pseudorandom
numbers from a Poisson
distribution. |
randomSample |
Generates a simple
pseudorandom sample
from a finite
population. |
randomSampleIndices |
Generates a simple
pseudorandom sample of
indices. |
randomSeedGet |
Retrieves the current
value of the seed used
in the IMSL random
number generators. |
randomSeedSet |
Initializes a random
seed for use in the
IMSL random number
generators. |
randomSphere |
Generates pseudorandom
points on a unit
circle or
K -dimensional
sphere. |
randomStable |
Generates pseudorandom
numbers from a stable
distribution. |
randomStudentT |
Generates pseudorandom
Student’s t. |
randomSubstreamSeedGet |
Retrieves a seed for
the congruential
generators that do not
do shuffling that will
generate random
numbers beginning
100,000 numbers
farther along. |
randomTableGet |
Retrieves the current
table used in the
shuffled generator. |
randomTableSet |
Sets the current table
used in the shuffled
generator. |
randomTableTwoway |
Generates a
pseudorandom two-way
table. |
randomTriangular |
Generates pseudorandom
numbers from a
triangular
distribution. |
randomUniform |
Generates pseudorandom
numbers from a uniform
(0, 1) distribution. |
randomUniformDiscrete |
Generates pseudorandom
numbers from a
discrete uniform
distribution. |
randomVonMises |
Generates pseudorandom
numbers from a von
Mises distribution. |
randomWeibull |
Generates pseudorandom
numbers from a Weibull
distribution. |
randomnessTest |
Performs a test for
randomness. |
ranks |
Computes the ranks,
normal scores, or
exponential scores for
a vector of
observations. |
rcbdFactorial |
Analyzes data from
balanced and
unbalanced randomized
complete-block
experiments. |
regression |
Fits a multiple linear
regression model using
least squares. |
regressionArima |
Fits a univariate,
non-seasonal ARIMA
time series model with
the inclusion of one
or more regression
variables. |
regressionPrediction |
Computes predicted
values, confidence
intervals, and
diagnostics after
fitting a regression
model. |
regressionSelection |
Selects the best
multiple linear
regression models. |
regressionStepwise |
Builds multiple linear
regression models
using forward
selection, backward
selection or stepwise
selection. |
regressionSummary |
Produces summary
statistics for a
regression model given
the information from
the fit. |
regressorsForGlm |
Generates regressors
for a general linear
model. |
robustCovariances |
Computes a robust
estimate of a
covariance matrix and
mean vector. |