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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def plot_epsilon_residuals(self):

 """Plots the epsilon residuals for the variogram fit."""

        fig = plt.figure()
        ax = fig.add_subplot(111)
        ax.scatter(range(self.epsilon.size), self.epsilon, c='k', marker='*')
        ax.axhline(y=0.0)
        plt.show()