| randomElement | |
| 1 (Function) | Data.Random.List, Data.Random |
| 2 (Function) | Data.Random.Vector |
| randomElementT | Data.Random.List |
| RandomSource | Data.Random |
| Rayleigh | |
| 1 (Type/Class) | Data.Random.Distribution.Rayleigh |
| 2 (Data Constructor) | Data.Random.Distribution.Rayleigh |
| rayleigh | Data.Random.Distribution.Rayleigh |
| rayleighCDF | Data.Random.Distribution.Rayleigh |
| rayleighT | Data.Random.Distribution.Rayleigh |
| realFloatStdNormal | Data.Random.Distribution.Normal |
| realFloatStdUniform | Data.Random.Distribution.Uniform |
| realFloatTypes | Data.Random.Internal.TH |
| realFloatUniform | Data.Random.Distribution.Uniform |
| realStdUniformCDF | Data.Random.Distribution.Uniform |
| realUniformCDF | Data.Random.Distribution.Uniform |
| replicateInstances | Data.Random.Internal.TH |
| resolutionOf | Data.Random.Internal.Fixed |
| resolutionOf2 | Data.Random.Internal.Fixed |
| runRVar | Data.Random.RVar, Data.Random |
| runRVarT | Data.Random.RVar, Data.Random |
| runRVarTWith | Data.Random.RVar, Data.Random |
| runZiggurat | Data.Random.Distribution.Ziggurat |
| RVar | Data.Random.RVar, Data.Random |
| rvar | Data.Random.Distribution, Data.Random |
| RVarT | Data.Random.RVar, Data.Random |
| rvarT | Data.Random.Distribution, Data.Random |