# Frequency of multiple classes in a video

**URL:** <https://community.drivendata.org/t/frequency-of-multiple-classes-in-a-video/1578>\
**Category:** Pri-matrix Factorization\
**Created:** [November 5, 2017, 1:40pm UTC](https://community.drivendata.org/t/frequency-of-multiple-classes-in-a-video/1578 "2017-11-05T13:40:23Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![prajwalkr](https://avatars.discourse-cdn.com/v4/letter/p/f0a364/32.png) [@prajwalkr](https://community.drivendata.org/u/prajwalkr)\
**Post date:** [November 5, 2017, 1:40pm UTC](https://community.drivendata.org/t/frequency-of-multiple-classes-in-a-video/1578/1 "2017-11-05T13:40:23Z")

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The benchmark blog post mentioned that there are only ~374 videos with multiple classes in the training data-set. That is extremely rare. Is it fair to assume that the test data will also have very few videos with multiple classes?