Calculating ERROR THRESHOLD from propagation

[cvfx2012]

Hi,

When using loop, without built-in network.train(...) function which has ERROR / ITERATIONS output:

while .... loop
network.activate(...);
network.propagate(...);

After some xxx amount of loops, how to calculate error threshold?
Is there any way to get error output from (backpropagation) in Neataptic?

Thanks