i can not understand why you do like this ,my god !!

[xiaoli20190810]

mse = self.mse()

...... def mse(self): ................... return np.sqrt(error) ???

x = [x for x, y in training_process] y = [y for x, y in training_process] x = x[::10] y = y[::10] plt.figure(figsize=((16,4))) plt.plot(x, np.sqrt(y)) ????

print("\nFinding Error on test set...\n") msef=0.0 for i1 in range(len(i)): for i2 in range(len(j)): if R1.item(i[i1],j[i2])!=0: msef = msef + (R1.item((i[i1],j[i2]))-(L).item((i[i1],j[i2])))2 msef = (msef/(len(j)*len(i))) ???? print("RMSE f=",msef0.5)