> For the complete documentation index, see [llms.txt](https://leonardoaraujosantos.gitbook.io/artificial-inteligence/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://leonardoaraujosantos.gitbook.io/artificial-inteligence/machine_learning/supervised_learning/loss-function.md).

# Loss Function

As mention earlier the Loss/Cost functions are mathematical functions that will answer how well your classifier is doing it's job with the current set of parameters (Weights and Bias). One important step on supervised learning is the choice of the right loss function for the job/task.