# Custom XGBoost Loss function w/ Zygote. Julia Computing blog post

**URL:** https://discourse.julialang.org/t/custom-xgboost-loss-function-w-zygote-julia-computing-blog-post/35811
**Category:** Machine Learning
**Tags:** zygote, kaggle
**Created:** [March 10, 2020, 8:42pm UTC](https://discourse.julialang.org/t/custom-xgboost-loss-function-w-zygote-julia-computing-blog-post/35811 "2020-03-10T20:42:21Z")
**Posts on this page:** 1
**Showing post:** 16

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### Author: ![Albert\_Zevelev](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/albert_zevelev/32/11844_2.png) [@Albert\_Zevelev](https://discourse.julialang.org/u/Albert_Zevelev)
#### Post date: [April 1, 2020, 2:58am UTC](https://discourse.julialang.org/t/custom-xgboost-loss-function-w-zygote-julia-computing-blog-post/35811/16 "2020-04-01T02:58:18Z")

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Thanks!  
In my code above I can automatically create a list of all matching models w/

```julia
m_match = models(matching(X, y), x -> x.prediction_type == :deterministic);

```

Is there an equivalent in your package?

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