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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
It's a worthwhile Kata, but the description needs to be clearer. Maybe talk about bimodal/multimodal and clarify that we're looking for how many modes the data set contains (not the value of the mode or how many times it occurs).