Biweight_permute        Biweight Method Permutation Test Performs a
                        permutation test for the Biweight method.
Huber_permute           Huber Method Permutation Test Performs a
                        permutation test for the Huber method.
ILMS_permute            The Improved Least Median of Squares (ILMS)
                        Permutation Test Performs a permutation test
                        for the ILMS method.
LMS_LTS_estimator       Improved Least median of squares (ILMS) method
                        Align two matrices using the ILMS.
LMS_estimator           Least median of squares (LMS) method Align two
                        matrices using the LMS.
LMS_permute             The Least Median of Squares (LMS) Permutation
                        Test Performs a permutation test for the LMS
                        method.
LTS_estimator           Least trimmed squares (LTS) method Align two
                        matrices using the ILMS.
LTS_permute             The Least Trimmed Squares (LTS) Permutation
                        Test Performs a permutation test for the LTS
                        method.
MM2_estimator_no_reflection
                        Repeated Median Method without reflection Align
                        two matrices using repeated median method that
                        cannot deal with reflection
MM2_estimator_with_reflection
                        Repeated Median Method with reflection Align
                        two matrices using the repeated median method
                        while allowing for reflection. This method is
                        recommended for practical applications where
                        reflected configurations may occur.
MM2_permute             Repeated Median Method Permutation Test
                        Performs a permutation test for the repeated
                        median method.
Procrustes_fun          The standard Procrustes analysis Align two
                        matrices using Procrustes analysis
Procrustes_permute      Standard Procrustes Analysis Permutation Test
                        Performs a permutation test for the standard
                        Procrustes analysis.
S_estimator             S-estimator method Align two matrices using the
                        S-estimator.
S_permute               S-estimator Permutation Test Performs a
                        permutation test for the S-estimator method.
majorization            Huber and Biweight methods Align two matrices
                        using the Huber and Biweight loss functions via
                        iterative majorization.
majorization_tuned      Huber and Biweight Methods with Automatic
                        Tuning Constant Selection Align two matrices
                        using Huber or biweight loss functions via
                        iterative majorization, with automatic
                        selection of the tuning constant.
