Man pages for spinebil
Investigating New Projection Pursuit Index Functions

basis_matrixGenerate 2-d basis in directions i, j in n dimensions (i,j <=...
basis_nearbyGenerate nearby bases, e.g. for simulated annealing.
basis_vectorGenerate basis vector in direction i in n dimensions (i <= n)
compare_smoothingCompare traces with different smoothing options.
data_genGenerate Synthetic Data with Various Structures
distance_distCollecting all pairwise distances between input planes.
distance_to_spCollecting distances between input planes and input special...
geodesic_infoCalculate information required to interpolate along a...
get_index_meanEvaluate mean index value over n jittered views.
get_traceTracing the index over an interpolated planned tour path.
jitter_angleRe-evaluate index after jittering the projection by an angle...
jitter_pointsRe-evaluate index after jittering all points by an amount...
noise_genGenerate Synthetic Noise
pipe_dataGenerating a sample of points on a pipe
plot_rotationPlot rotation traces of indexes obtained with...
plot_smoothing_comparisonPlot the comparison of smoothing methods.
plot_tracePlot traces of indexes obtained with 'get_trace'.
ppi_meanSimulate and Summarize Projection Pursuit Index (PPI) Values
ppi_noise_thresholdEstimate the 95th Percentile of a Projection Pursuit Index...
ppi_samplesize_effectSimulate Effect of Sample Size on Projection Pursuit Index...
ppi_scaleSimulate and Compare Index Scale on Structured vs Noisy Data
profile_rotationTest rotation invariance of index functions for selected 2-d...
scag_indexMatching index functions to the required format.
sin_dataGenerating sine wave sample
spinebil-packagespinebil
spiral_dataGenerating spiral sample
squint_angle_estimateEstimating squint angle of 2-d structure in high-d dataset...
step_fractionStep along an interpolated path by fraction of path length.
time_sequenceTime each index evaluation for projections in the tour path.
spinebil documentation built on Nov. 5, 2025, 7:35 p.m.