Criando um DataFrame para armazenar os coeficientes do modelo https://docs.scipy.org/doc/numpy/reference/generated/numpy.append.html?#numpy.append
pd.DataFrame(data=np.append(modelo.intercept_, modelo.coef_), index=index, columns=['Parâmetros'])
NameError Traceback (most recent call last) in ----> 1 pd.DataFrame(data=np.append(modelo.intercept_, modelo.coef_), index=index, columns=['Parâmetros'])
NameError: name 'index' is not defined