Prefixes: r, p, d, q
Required Argument: n
| Distribution | R name | Optional arguments |
| beta | beta | shape1, shape2, ncp |
| binomial | binom | size, prob |
| Cauchy | cauchy | location, scale |
| chi-squared | chisq | df, ncp |
| exponential | exp | rate |
| F | f | df1, df2, ncp |
| gamma | gamma | shape, scale |
| geometric | geom | prob |
| hypergeometric | hyper | m, n, k |
| log-normal | lnorm | meanlog, sdlog |
| logistic | logis | location, scale |
| negative binomial | nbinom | size, prob |
| normal | norm | mean, sd |
| Poisson | pois | lambda |
| Student's t | t | df, ncp |
| uniform | unif | min, max |
| Weibull | weibull | shape, scale |
| Wilcoxon | wilcox | m, n |