netket.callbacks

Those callbacks can be used with the optimisation drivers.

EarlyStopping	A simple callback to stop NetKet if there are no more improvements in the training.
ConvergenceStopping	A simple callback to stop the optimisation if the loss gets below a certain threshold.
InvalidLossStopping	A simple callback to stop NetKet if there are no more improvements in the training.
Timeout	A simple callback to stop NetKet after some time has passed.