| beta(a, b[, size]) | Draw samples from a Beta distribution. |
| binomial(n, p[, size]) | Draw samples from a binomial distribution. |
| chisquare(df[, size]) | Draw samples from a chi-square distribution. |
| dirichlet(alpha[, size]) | Draw samples from the Dirichlet distribution. |
| exponential([scale, size]) | Draw samples from an exponential distribution. |
| f(dfnum, dfden[, size]) | Draw samples from an F distribution. |
| gamma(shape[, scale, size]) | Draw samples from a Gamma distribution. |
| geometric(p[, size]) | Draw samples from the geometric distribution. |
| gumbel([loc, scale, size]) | Draw samples from a Gumbel distribution. |
| hypergeometric(ngood, nbad, nsample[, size]) | Draw samples from a Hypergeometric distribution. |
| laplace([loc, scale, size]) | Draw samples from the Laplace or double exponential distribution with specified logistic([loc, scale, size]) Draw samples from a logistic distribution. |
| lognormal([mean, sigma, size]) | Draw samples from a log-normal distribution. |
| logseries(p[, size]) | Draw samples from a logarithmic series distribution. |
| multinomial(n, pvals[, size]) | Draw samples from a multinomial distribution. |
| multivariate_normal(mean, cov[, size]) | Draw random samples from a multivariate normal distribution. |
| negative_binomial(n, p[, size]) | Draw samples from a negative binomial distribution. |
| noncentral_chisquare(df, nonc[, size]) | Draw samples from a noncentral chi-square distribution. |
| noncentral_f(dfnum, dfden, nonc[, size]) | Draw samples from the noncentral F distribution. |
| normal([loc, scale, size]) | Draw random samples from a normal (Gaussian) distribution. |
| pareto(a[, size]) | Draw samples from a Pareto II or Lomax distribution with specified shape. |
| poisson([lam, size]) | Draw samples from a Poisson distribution. |
| power(a[, size]) | Draws samples in [0, 1] from a power distribution with positive exponent a - 1. |
| rayleigh([scale, size]) | Draw samples from a Rayleigh distribution. |
| standard_cauchy([size]) | Draw samples from a standard Cauchy distribution with mode = 0. |
| standard_exponential([size]) | Draw samples from the standard exponential distribution. |
| standard_gamma(shape[, size]) | Draw samples from a standard Gamma distribution. |
| standard_normal([size]) | Draw samples from a standard Normal distribution (mean=0, stdev=1). |
| standard_t(df[, size]) | Draw samples from a standard Student’s t distribution with df degrees of freedom. |
| triangular(left, mode, right[, size]) | Draw samples from the triangular distribution over the interval [left, right]. |
| uniform([low, high, size]) | Draw samples from a uniform distribution. |
| vonmises(mu, kappa[, size]) | Draw samples from a von Mises distribution. |
| wald(mean, scale[, size]) | Draw samples from a Wald, or inverse Gaussian, distribution. |
| weibull(a[, size]) | Draw samples from a Weibull distribution. |
| zipf(a[, size]) | Draw samples from a Zipf distribution. |