Investigating New Projection Pursuit Index Functions

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Documentation for package ‘spinebil’ version 1.0.4

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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)
cmassR Matching index functions to the required format.
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.
holesR Matching index functions to the required format.
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.
mine_index Matching index functions to the required format.
mine_indexE Matching index functions to the required format.
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.