gqs {rstan} | R Documentation |

## Draw samples of generated quantities from a Stan model

### Description

Draw samples from the generated quantities block of a
`stanmodel`

.

### Usage

```
## S4 method for signature 'stanmodel'
gqs(object, data = list(), draws,
seed = sample.int(.Machine$integer.max, size = 1L))
```

### Arguments

`object` |
An object of class |

`data` |
A named |

`draws` |
A matrix of posterior draws, typically created by
calling |

`seed` |
The seed for random number generation. The default is generated
from 1 to the maximum integer supported by |

### Value

An object of S4 class `stanmodel`

representing
the fitted results.

### Methods

`object`

`signature(object = "stanmodel")`

Evaluate the generated quantities block of a Stan program by supplying`data`

and the`draws`

output from a previous Stan program.

### See Also

### Examples

```
## Not run:
m <- stan_model(model_code = 'parameters {real y;} model {y ~ normal(0,1);}')
f <- sampling(m, iter = 300)
mc <-
'
parameters {real y;}
generated quantities {real y_rep = normal_rng(y, 1);}
'
m2 <- stan_model(model_code = mc)
f2 <- gqs(m2, draws = as.matrix(f))
f2
## End(Not run)
```

*rstan*version 2.32.6 Index]