| argument | random structure |
|
| Alignment | random alignment |
| array(t,d1,...) | array of dimensions d1,... with entries of type t |
| Beta(a,b) | Beta distributed number with average a/(a+b) |
| Binomial(n,p) | integer binomially distributed, ave n*p, var n*p*(1-p) |
| Multinomial(n,ps) | multinominally distributed integers |
| ChiSquare(nu) | chi-square distributed number with ave nu, var 2*nu |
| CodingDNA(n) | random DNA coding sequence (no stops) with n bases |
| DNA(n) | random DNA sequence with n bases. Uses the global |
| | vector AF, if suitable |
| Entry | a random entry from the database in DB |
| Exponential(a,b) | exponentially distributed number with ave a+b, var b^2 |
| FDist(nu1,nu2) | random F distributed or Variance-ratio number |
| GammaDist(p) | random Gamma distributed number with ave p and var p |
| Geometric(p) | geometrically distributed integer with ave (1-p)/p |
| Graph(n,m) | random graph with n vertices and m edges |
| integer | random integer |
| [t1,t2,...] | a list with random components of the given types |
| LongInteger | random extended precision integer |
| MAlignment | random multiple sequence alignment |
| matrix(t) | matrix with random dimensions and random entries of type t |
| Normal(a,b) | normally distributed variable with ave a and var b |
| MNormal(a,b) | multivariate normal with ave vector a and cov matrix b |
| Poisson(m) | Poisson distributed integer with average and variance m |
| Polar | complex number in Polar representation |
| posint | random positive integer |
| Protein(n) | a random sequence of amino acids of length n |
| Sequence | the sequence of a random entry from the database in DB |
| a..b | integers or numbers (depending on type of a,b) in the range |
| {a,b,...} | a random value from the set |
| Stat | results of univariate statistics |
| string | random (readable) string |
| Student(nu) | Student distributed variable with parameter nu |
| SvdResult | results of an Svd least squares approximation |
| Tree | random distance tree |
| a random object of this type |