# Loss function used in run\_mmimdb.py

**URL:** <https://discuss.huggingface.co/t/loss-function-used-in-run-mmimdb-py/2979>\
**Category:** Beginners\
**Created:** [December 28, 2020, 10:11am UTC](https://discuss.huggingface.co/t/loss-function-used-in-run-mmimdb-py/2979 "2020-12-28T10:11:30Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![zuujhyt](https://avatars.discourse-cdn.com/v4/letter/z/f17d59/32.png) [@zuujhyt](https://discuss.huggingface.co/u/zuujhyt)\
**Post date:** [December 28, 2020, 10:11am UTC](https://discuss.huggingface.co/t/loss-function-used-in-run-mmimdb-py/2979/1 "2020-12-28T10:11:30Z")

</div>

Hi,  
Why BCE was used in

> <https://github.com/huggingface/transformers/blob/8e74eca7f2b3235f8d5340d66361ea656c67bac7/examples/research_projects/mm-imdb/run_mmimdb.py#L524>

The labels seem not binary to me.  
`label_frquencies` looks like

```auto
Counter({'Drama': 8415, 'Comedy': 5107, 'Romance': 3226, 'Thriller': 3110, 'Crime': 2287, 'Action': 2154, 'Adventure': 1609, 'Horror': 1603, 'Mystery': 1231, 'Sci-Fi': 1212, 'Documentary': 1195, 'Fantasy': 1162, 'Family': 975, 'War': 804, 'Biography': 772, 'History': 663, 'Music': 632, 'Animation': 586, 'Musical': 503, 'Western': 423, 'Sport': 379, 'Short': 281, 'Film-Noir': 202})

```

What may I miss? Thanks.