8.18.3 Can you answer these questions?

8.18.3.1 Is there a better way to Distribute after rule substitution?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=268802

Here I'm considering a problem related to rule substitution. In the simplest case, it can be shown as follows: 
... 
[performance-tuning] [rule]
 

asked by Canonical https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=82616 Score of 1

8.18.3.2 How to measure accuracy of a neural network?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=268963

I have this Neural Network for a specific data set: 
... 
[neural-networks]
 

asked by FelipeAmorim https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=86340 Score of 1

8.18.3.3 How does Mathematica's B-Spline NURBS work?

https://mathematica.stackexchange.com/landing/r/digest?cta=question&id=268798

I'm finding that Mathematica is getting hung up on a numerical integration and I suspect I can do it faster myself in C++. I can scoop the control points of the BSplineFunction out of the ... 
[interpolation] [splines]
 

asked by user2603428 https://mathematica.stackexchange.com/landing/r/digest?cta=user&id=86720 Score of 1