# extract_status()


Extract the status codes from an event-time vector.


Usage

``` python
extract_status(x)
```


Returns one single-letter code per element: `"e"`, `"r"`, `"l"`, or `"i"`.


## Parameters


`x: Any`  
An [EventTime](EventTime.md#greenwood.EventTime) vector.


## Returns


`list of str or None`  
One status code per element (`"e"`, `"r"`, `"l"`, or `"i"`), with `None` where it is missing.


## Examples


``` python
import greenwood as gw

x = gw.event_time(time=[7, 5, 2], status=["e", "r", "i"], time_max=[None, None, 4])
gw.extract_status(x)
```


    ['e', 'r', 'i']