## plot.plot_error_boxplot()


Plot cross-validation error distributions by forecast horizon.


Usage

``` python
plot.plot_error_boxplot(
    error_df,
    error_name,
    metric,
    area,
)
```


## Parameters


`error_df: pd.DataFrame`  
Dataframe with errors for each fold, metric, area, and horizon.

`error_name: str`  
Name of error column in `error_df` to plot.

`metric: str`  
Name of ambulance metric to plot.

`area: str`  
Name of area to plot.


## Returns


`matplotlib.axes.Axes`  
Axes containing the boxplot.