Answers for "python mapo"

1

mAPE python

def percentage_error(actual, predicted):
    res = np.empty(actual.shape)
    for j in range(actual.shape[0]):
        if actual[j] != 0:
            res[j] = (actual[j] - predicted[j]) / actual[j]
        else:
            res[j] = predicted[j] / np.mean(actual)
    return res

def mean_absolute_percentage_error(y_true, y_pred): 
    return np.mean(np.abs(percentage_error(np.asarray(y_true), np.asarray(y_pred)))) * 100
Posted by: Guest on June-07-2020
1

map python 3

#generate a list from map iterable with lambda expression
list( map(lambda x: x*2, numeros) )
Posted by: Guest on November-21-2020
6

map in python 3

map(function, iterable, ...)
Posted by: Guest on May-26-2020

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