I've made a search on the ML tag (because I do not have access to the SE Query... thing) and figured that there are actually 66% of unanswered questions tagged with machine-learning. (Maybe my search wasn't good though)
I think that, due to the nature of Machine Learning, it is very hard to make a valuable review regarding performance/accuracy without having :
- Access to the data
- Time to fiddle with it
- Experience in the Machine Learning field
That is without considering the fact that hyperparameters, which are often then key to great performances and can greatly affect speed, are pretty much chosen by trying different values.
I think that machine learning related questions will be more and more frequent and I'm wondering if they are really fitting here or if they should be posted to one of : ArtificialIntelligenceSE, DataScienceSE, CrossValidatedSE, etc(SE).