Nithurshen

[ENH] Add MechaClassifier: Multiview Enhanced Characteristics for TSC

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#### Reference Issues/PRs Fixes #2930 #### What does this implement/fix? Explain your changes. This PR implements the Multiview Enhanced Characteristics (Mecha) Classifier in `aeon.classification.feature_based`, based on the recently accepted paper...

[ENH] Optimize ElasticEnsemble _fit to avoid redundant cross-validation

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#### Reference Issues/PRs Fixes #2854 #### What does this implement/fix? Explain your changes. This PR optimizes the `_fit` method in the `ElasticEnsemble` classifier to eliminate a redundant cross-validation step, speeding...

[ENH] Include unconstrained DTW and DDTW in ElasticEnsemble parameters

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#### Reference Issues/PRs Fixes #2853 #### What does this implement/fix? Explain your changes. This enhancement fixes an alignment issue in the parameter generation for the Elastic Ensemble (`ElasticEnsemble`) classifier. The...