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All functions

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() mine_index() mine_indexE() holesR() cmassR()
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.