Package index • tourr

In-built data

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.

guided_anomaly_tour(): A guided anomaly tour path.

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() dcor2d_2(): Distance correlation index.

splines2d() loess2d(): Spline/loess based index.

slice_index(): Section pursuit index.

norm_bin() norm_kol(): Normality index.

stringy(): Scagnostic indexes.

MIC() TIC(): Maximum and total information coefficient index.

anomaly_index(): Anomaly index.

skewness(): Skewness index.

Search functions

Functions for index optimisation in guided tour

search_jellyfish() check_dup(): A jellyfish optimiser for projection pursuit 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.

mahal_dist(): Calculate the Mahalanobis distance between points and center.