def chisq_red(self):
        """
        The reduced chi-square of the linear least squares
        """
        if self._chisq_red is None:
            self._chisq_red = chisquare(self.y_unweighted.transpose(), _np.dot(self.X_unweighted, self.beta), self.y_error, ddof=3, verbose=False)
        return self._chisq_red
def chisq_red(self):
        
        if self._chisq_red is None:
            self._chisq_red = chisquare(self.y_unweighted.transpose(), _np.dot(self.X_unweighted, self.beta), self.y_error, ddof=3, verbose=False)
        return self._chisq_red
def chisq_red ( self ) : if self . _chisq_red is None : self . _chisq_red = chisquare ( self . y_unweighted . transpose ( ) , _np . dot ( self . X_unweighted , self . beta ) , self . y_error , ddof = 3 , verbose = False ) return self . _chisq_red
The reduced chi-square of the linear least squares
The reduced chi - square of the linear least squares