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@lylayang
Created March 15, 2020 07:52
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def convert2matrix(data_arr, look_back):
X, Y =[], []
for i in range(len(data_arr)-look_back):
d=i+look_back
X.append(data_arr[i:d,0])
Y.append(data_arr[d,0])
return np.array(X), np.array(Y)
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