Metatags are piece of data that you can assign with text (or samples) that you are working with. 

Metatags within MonkeyLearn are not used for training the machine learning model. Metatags only purpose is to help the user understand and keep track of their training data. 

For example, users that upload training data regularly use metatags to tag each training sample to keep track where each sample comes from (for example from a survey or from a chat conversation, a given upload, etc), or what date, or any other relevant information.

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