can I merge two profiles? massively ?

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Yes, you can merge user profiles in Mixpanel, and there are options for doing this at scale.For individual profile merging, it depends on which ID management system your Mixpanel project is using: 1. Original ID Merge: You can merge two identified users using the $merge event via the import API. This allows you to merge any two identifiers together as long as the resulting ID cluster doesn't exceed 500 IDs.LBKS{ "event": "$merge", "properties": { "$distinct_ids": [ "user_id_1", "user_id_2" ] } }LBKS2. Simplified ID Merge: This system doesn't support merging two $user_ids together. Instead, it's designed to have a single, unchanging $user_id for each user with other IDs pointing to it.For bulk deduplication of profiles, Mixpanel offers a utility function in their mixpanel-utils Python module: LBKSmputils.deduplicate_people(prop_to_match='$email', merge_props=True)LBKSThis function deduplicates people profiles based on a specified property (default is '$email'). You can also have it merge properties together by setting merge_props=True Mixpanel Utils.Note that user profile properties cannot be merged through Lexicon (Mixpanel's data dictionary feature), which only allows merging of events and event properties.If you're considering merging projects entirely, Mixpanel also provides a way to merge Mixpanel projects by exporting data from one project and importing it into another.

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