Wrong parameter set in fig.add_subplot() in OffPolicyEvaluation.visualize_off_policy_estimates_of_multiple_policies

[MotoShin]

Isn't the parameter for this part len(self.ope_estimators_) instead of len(action_dist_list) ?
With the current code, I think that the output image will not be normal unless len(self.ope_estimators_) and len(action_dist_list) are the same number.

zr-obp/obp/ope/meta.py

Line 982 in 456a1ea

ax = fig.add_subplot(len(action_dist_list), 1, i + 1)

[MotoShin]

Perhaps there is a similar problem here.

zr-obp/obp/ope/meta_continuous.py

Line 658 in 456a1ea

ax = fig.add_subplot(len(action_by_evaluation_policy_list), 1, i + 1)

zr-obp/obp/ope/meta_multi.py

Line 777 in 456a1ea

ax = fig.add_subplot(len(action_dist_list), 1, i + 1)

[jilljenn]

I think there is a bigger problem with this function.