@property<EOL><INDENT>def sample_correlations(self):<DEDENT>
C = np.corrcoef(self.X.T)<EOL>corr_matrix = ExpMatrix(genes=self.samples, samples=self.samples, X=C)<EOL>return corr_matrix<EOL>
Returns an `ExpMatrix` containing all pairwise sample correlations.

        Returns
        -------
        `ExpMatrix`
            The sample correlation matrix.