Mean absolute percentage error
nnf_mape(input, target)
(torch_tensor
) A tensor of actual values
(torch_tensor
) A tensor with the same shape as the input
Computed according to the formula: $$MAPE = \frac{1}{n}\displaystyle\sum_{t=1}^{n} \left\|\frac{target - input}{target}\right\|$$
yardstick::mape