In-built data

Flea measurements flea

Flea beatle measurements

Laser measurements laser

Turnable laser measurements from Bellcore

Olive oil measurements olive

Olive oil samples from Italy

Ozone measurements ozone

Monthly ozone measurements over Central America

Places Ratings places

Ratings of different locations across North America

Rat CNS ratcns

Rat CNS Gene Expression

Tropical Atmosphere Ocean tao

Tropical Atmosphere Ocean data

t1

Saved history of guided tour with holes

Pre-processing

Functions for data pre-processing

center()

Center a numeric vector by subtracting off its mean.

rescale()

Rescale a matrix or data frame

Tour path construction

Functions for constructing various tour paths

grand_tour()

A grand tour path.

guided_tour()

A guided tour path.

guided_section_tour()

A guided section tour path.

little_tour()

A little tour path.

local_tour()

A local tour path.

radial_tour()

A radial tour path.

planned_tour() planned2_tour()

A planned tour path.

dependence_tour()

A dependence tour path.

frozen_guided_tour()

The frozen guided tour

frozen_tour()

A frozen tour path.

manual_slice()

Manually slice along a variable axis.

Tour display

Functions for various tour display

animate()

Animate a tour path.

display_andrews() animate_andrews()

Andrews' curves tour path animation.

display_density2d() animate_density2d()

Display tour path with a density and scatterplot

display_depth() animate_depth()

Display 3d projection with depth cues

display_dist() animate_dist()

1d distribution tour path animation.

display_faces() animate_faces()

Chernoff faces tour path animation.

display_groupxy() animate_groupxy()

Display 2D tour projections displayed separately by groups

display_idx() animate_idx()

Display a 1D linear aggregation index

display_image() animate_image()

Image tour path animation.

display_pca() animate_pca()

Display tour path with principal component scores with original axes

display_pcp() animate_pcp()

Parallel coordinates tour path animation.

display_sage() animate_sage()

Display tour path with a sage scatterplot

display_scatmat() animate_scatmat()

Scatterplot matrix tour path animation.

display_slice() animate_slice()

Display tour path with a sliced scatterplot

display_stars() animate_stars()

Star glyph tour path animation.

display_stereo() animate_stereo()

Anaglpyh tour path animation.

display_trails() animate_trails()

Display tour path with trails

display_xy() animate_xy()

Display tour path with a scatterplot

Indices

Index functions in guided tour

cmass()

Central mass index.

holes()

Holes index.

lda_pp()

LDA projection pursuit index.

pda_pp()

PDA projection pursuit index.

dcor2d()

Distance correlation index.

splines2d()

Spline based index.

slice_index()

Section pursuit index.

norm_bin() norm_kol()

Normality index.

Search functions

Functions for index optimisation in guided tour

search_better()

Search for a better projection near the current projection.

search_better_random()

Search for a better projection using simulated annealing

search_geodesic()

A pseudo-derivative, line search algorithm.

search_polish()

Search very locally to find slightly better projections to polish a broader search.

search_posse()

Search for a better projection based on Poss, 1995

Misc calculation

Functions for calculating various tour components

anchored_orthogonal_distance()

Calculate orthogonal distances

andrews()

Compute Andrews' curves

angular_breaks()

Returns n equidistant bins between -pi and pi

linear_breaks()

Returns n equidistant bins between a and b

estimate_eps()

Estimate cutoff eps for section pursuit.

interpolate()

Interpolate geodesically between bases.

path_dist()

Compute distance matrix from bases.

path_index()

Compute index values for a tour history.

proj_dist()

Calculate the distance between two bases.

Utility

path_curves()

Draw the path that the geodesics took.

render()

Render frames of animation to disk

render_gif()

Render frames of animation to a gif file

render_proj()

Render plotly animation frame

render_anim()

Render a set of animation frames

draw_tour_axes()

Draw tour axes on the projected data with base graphics

save_history()

Save tour history.

areColors()

Test if all entries are colors

mapColors()

Map vector of factors to color

mapShapes()

Map vector of factors to pch

sphere_data()

Sphere a matrix (or data frame) by transforming variables to principal components.