basis_matrix            Generate 2-d basis in directions i, j in n
                        dimensions (i,j <= n)
basis_vector            Generate basis vector in direction i in n
                        dimensions (i <= n)
compare_smoothing       Compare traces with different smoothing
                        options.
data_gen                Generate Synthetic Data with Various Structures
distance_dist           Collecting all pairwise distances between input
                        planes.
distance_to_sp          Collecting distances between input planes and
                        input special plane.
get_index_mean          Evaluate mean index value over n jittered
                        views.
get_trace               Tracing the index over an interpolated planned
                        tour path.
jitter_angle            Re-evaluate index after jittering the
                        projection by an angle alpha.
jitter_points           Re-evaluate index after jittering all points by
                        an amount alpha.
noise_gen               Generate Synthetic Noise
pipe_data               Generating a sample of points on a pipe
plot_rotation           Plot rotation traces of indexes obtained with
                        profileRotation.
plot_smoothing_comparison
                        Plot the comparison of smoothing methods.
plot_trace              Plot traces of indexes obtained with
                        'get_trace'.
ppi_mean                Simulate and Summarize Projection Pursuit Index
                        (PPI) Values
ppi_noise_threshold     Estimate the 95th Percentile of a Projection
                        Pursuit Index Under Noise
ppi_samplesize_effect   Simulate Effect of Sample Size on Projection
                        Pursuit Index Under Gaussian Noise
ppi_scale               Simulate and Compare Index Scale on Structured
                        vs Noisy Data
profile_rotation        Test rotation invariance of index functions for
                        selected 2-d data set.
scag_index              Matching index functions to the required
                        format.
sin_data                Generating sine wave sample
spiral_data             Generating spiral sample
squint_angle_estimate   Estimating squint angle of 2-d structure in
                        high-d dataset under selected index.
time_sequence           Time each index evaluation for projections in
                        the tour path.
