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> https://en.wikipedia.org/wiki/No_free_lunch_theorem https://en.wikipedia.org/wiki/No_free_lunch_theorem This is a very theoretical result that people often o
by sampo 9y ago
> https://en.wikipedia.org/wiki/No_free_lunch_theorem https://en.wikipedia.org/wiki/No_free_lunch_theorem
This is a very theoretical result that people often overinterpret bease it has a catchy name. But it has no relevance for real world data.
- DonbunEf7 9y agoNo Free Lunch is very real, and occurs in many different guises under different masks. Here is an example constructive instantiation of No Free Lunch: https://blog.acolyer.org/2017/09/12/universal-adversarial-perturbations/ https://blog.acolyer.org/2017/09/12/universal-adversarial-pe...
- sampo 9y agoThat article doesn't mention no free lunch at all. Also, they're just calculating small perturbations that send the classifier over decision boundaries.