## plot_warm_up()


Plot warm-up trajectories for one metric and response category.


Usage

``` python
plot_warm_up(
    audit,
    metric,
    category=None,
)
```


Shows one line per run for the cumulative mean trajectories, and overlays the overall cumulative mean across runs.


## Parameters


`audit: pd.DataFrame`  
Warm-up audit results.

`metric`  
Name of the performance measure to visualise.

`category: str = None`  
Response category to plot.


## Returns


`fig: matplotlib.figure.Figure`  
A Matplotlib Figure containing cumulative mean trajectories for each run and the overall cumulative mean.

`ax: matplotlib.axes.Axes`  
The Matplotlib Axes object.
