concepts.pdsketch.planners.solution_score_tracker.MostPromisingTrajectoryTracker

class MostPromisingTrajectoryTracker

Bases: object

This is a tracker for tracking the most promising next action, used in joint learning settings where we don’t have knowledge about the actual transition function or the goal.

Methods

check(new_score)	If the new score is better than the current best score, return True.
update(new_score, solution)	Update the best score and the solution.

Attributes

threshold	A score threshold.
best_score	The best score achived so far.
solution	The solution associated with the best_score.

__init__(threshold)

Initialize the tracker.

Parameters:

threshold (float) – the threshold for the score.

__new__(**kwargs)

check(new_score)

If the new score is better than the current best score, return True.

Parameters:

new_score (float) – the new score.

Returns:

True if the new score is better than the current best score.

Return type:

bool

update(new_score, solution)

Update the best score and the solution.

Parameters:

• new_score (float) – the new score.

• solution (Any) – the new solution.

best_score: float

The best score achived so far.

solution: Any

The solution associated with the best_score.

threshold: float

A score threshold.