Plot adstock ramp fraction vs. experiment duration.
One line per channel showing how quickly the effect approaches
its steady-state value, with uncertainty bands.
- Parameters:
- max_weeks
int Maximum duration to plot.
- colors
dict[str, str] | None Mapping of channel name to matplotlib color string.
Falls back to C0, C1, … when None.
- figsize
tuple[float, float] | None (width, height) for the figure. Defaults to
(10, 4).
- Returns:
tuple[Figure, Axes]