View source: R/exponential_class.R

s_exponential | R Documentation |

Creates a SURVIVAL object with an Exponential distribution.

```
s_exponential(...)
```

`...` |
Parameters to define the distribution. See the Parameters for details |

a SURVIVAL object of the exponential distribution family. See the
documentation of `s_factory`

for the methods available for SURVIVAL objects

To create an exponential survival object the following options are available:

* lambda* to specify the canonical parameter of the distribution, or

* surv* and

`t`

* fail* and

`t`

lambda = -log(surv)/t

lambda = -log(1-fail)/t

The parameters should be spell correctly as partial matching is not available

```
s_exponential(lambda = 3)
s_exponential(surv = 0.4, t = 2)
s_exponential(fail = 0.6, t = 2)
```

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