adding chi2 to results.txt (still missing the comparison with eq 12)
adding chi2 to results.txt (still missing the comparison with eq 12)


Former-commit-id: b9435674ce94f40eea91494b8c2a4a6d2529cbf7
lstorchi/pca_fit,lstorchi/pca_fit,lstorchi/pca_fit,lstorchi/pca_fit,lstorchi/pca_fit