Unexpected y_range

Part 1 (2020)
1

I start with this expecting that my outputs will be between -1 and 1.

learn = Learner(dls, cnn,  loss_func=MSELossFlat() ,y_range=(-1.,1.)  ,
               cbs=ActivationStats(with_hist=True))

and get this…

Screen Shot 2020-08-31 at 8.55.42 PM
Screen Shot 2020-08-31 at 8.55.42 PM890×590 51.8 KB

How are the predicted outputs not in the expected range?

2

Just for clarification, which chapter of the book is this , and which lesson is this from?
What is this graph about? Can you please share the code that plots this?
Cheers

4

Whoops. Just realized that y_range is not a parameter of the Learner class. My bad.