backup m1

a.rb

def mf(y_true, y_pred):
    tp = 0
    fp = 0
    fn = 0
    for i in range(y_true.shape[0]):
        for j in range(y_true.shape[1]):
            if y_true[i, j] == y_pred[i, j]:
                if y_true[i,j] == 1:
                    tp += 1
            elif y_true[i, j] != y_pred[i, j]:
                if y_pred[i,j] == 1:
                    fp += 1
                else:
                    fn += 1
    p = tp/(tp + fp + 0.0001)
    r = tp/(tp + fn + 0.0001)
    f = 2*(p*r)/(p + r + 0.0001)
    return f