how to plot top losses examples/images? #98
Description
how to plot top losses examples/images?
68:43-73:22
how to plot top losses examples/images
How to create model interpreter?
- interp = ClassificationInterpretation.from_learner(learn)
Why plot the high loss?
- to find out our high prob predictions are wrong
- they are the defect of our model
How to plot top losses using the interpreter?
- interp.plot_top_losses(9, figsize=(15,11))
How to read the output of the plotting and numbers?
- doc(interp.plot_top_losses) -> doc & source
What does those numbers on the plotting mean?
- prediction, actual, loss, prob of actual (not prediction)
Why fastai source code is very easy to read?
- intension when writing it
- don’t be afraid to read the source
Why it is useful to see top loss images
- figure out where is the weak spot
- error analysis * (Ng)
目录 Lesson 1 知识点分解