tourr (version 1.2.8)

Tour Methods for Multivariate Data Visualisation

Description

Implements geodesic interpolation and basis generation functions that allow you to create new tour methods from R.

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Version

Install

install.packages('tourr')

Monthly Downloads

3,061

Version

1.2.8

License

MIT + file LICENSE

Maintainer

Di Cook

Last Published

July 5th, 2026

Functions in tourr (1.2.8)

display_sage

Display tour path with a sage scatterplot

display_dependence

Display tour path with two groups of variables

display_pca

Display tour path with principal component scores with original axes

display_groupxy

Display 2D tour projections displayed separately by groups

display_idx

Display a 1D linear aggregation index

display_trails

Display tour path with trails

display_pcp

Parallel coordinates tour path animation.

display_xy

Display tour path with a scatterplot

display_dist

1d distribution tour path animation.

display_depth

Display 3d projection with depth cues

draw_slice_center

Draw slice center guide with base graphics

display_faces

Chernoff faces tour path animation.

display_stereo

Anaglpyh tour path animation.

display_stars

Star glyph tour path animation.

display_image

Image tour path animation.

draw_tour_axes

Draw tour axes on the projected data with base graphics

estimate_eps

Estimate cutoff eps for section pursuit.

frozen_guided_tour

The frozen guided tour

eucl_norm_sq

Calculate the squared Euclidean norm of a vector x

display_scatmat

Scatterplot matrix tour path animation.

display_slice

Display tour path with a sliced scatterplot

freeze

Freeze and thaw matrices

geodesic_info

Calculate information required to interpolate along a geodesic path between two frames.

find_platform

Find the platform Find the platform being used by the user

frozen_tour

A frozen tour path.

find_best_dir

Find the most promising direction to travel in.

find_path_peak

Find the most interesting projection along a geodesic.

guided_section_tour

A guided section tour path.

MIC

Maximum and total information coefficient index.

A guided anomaly tour path.

find_best_frozen_dir

Find most promising direction in frozen space.

holes

Holes index.

geodesic_path

Generate geodesic path.

find_frozen_path_peak

Find most highest peak along frozen geodesic.

interpolate

Interpolate geodesically between bases.

is_orthonormal

Test if a numeric matrix is orthonormal.

linear_breaks

Returns n equidistant bins between a and b

local_tour

A local tour path.

mapShapes

Map vector of factors to pch

mapColors

Map vector of factors to color

little_tour

A little tour path.

manual_slice

Manually slice along a variable axis.

path_curves

Draw the path that the geodesics took.

path_dist

Compute distance matrix from bases.

paths_index

Compute index value for many histories.

pda_pp

PDA projection pursuit index.

path_index

Compute index values for a tour history.

print_final_proj

Print out the final projection basis

proj_dist

Calculate the distance between two bases.

lda_pp

LDA projection pursuit index.

search_jellyfish

A jellyfish optimiser for projection pursuit guided tour

render

Render frames of animation to disk

norm_bin

Normality index.

mahal_dist

Calculate the Mahalanobis distance between points and center.

render_anim

Render a set of animation frames

radial_tour

A radial tour path.

render_gif

Render frames of animation to a gif file

render_proj

Render plotly animation frame

stringy

Scagnostic indexes.

orthonormalise_by

Orthonormalise one matrix by another.

planned_tour

A planned tour path.

normalise

Normalise a numeric matrix.

Section pursuit index.

search_better

Search for a better projection near the current projection.

to_stop

Prints information on how to stop the output

xnul

A null function

splines2d

Spline/loess based index.

step_angle

Step along an interpolated path by angle in radians.

plot.path_curve

Plot history curves.

new_geodesic_path

Generate a geodesic path between bases supplied by generator

skewness

Skewness index.

project3d

Stereographic projection

slice_binning

Separately binning observations inside and outside the slice.

search_polish

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

search_frozen_geodesic

A pseudo-derivative, line search algorithm along frozen geodesics.

search_posse

Search for a better projection based on Poss, 1995

Saved history of guided tour with holes

search_geodesic

A pseudo-derivative, line search algorithm.

radial_bin_weight_inv

Inverse weights for rescaling counts in radial bins.

rescale

Rescale a matrix or data frame

search_better_random

Search for a better projection using simulated annealing

step_fraction

Step along an interpolated path by fraction of path length.

tourr-package

tourr: Tour Methods for Multivariate Data Visualisation

weights_bincount_radial

Computes weights for the rescaling of radial bin counts.

orthonormalise

Orthonormalise using modified Gram-Schmidt process.

plot.path_index

Plot history index with ggplot2.

sphere_data

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

Tropical Atmosphere Ocean

Tropical Atmosphere Ocean data

anchored_orthogonal_distance

Calculate orthogonal distances

angular_breaks

Returns n equidistant bins between -pi and pi

andrews

Compute Andrews' curves

anomaly_index

Anomaly index.

areColors

Test if all entries are colors

center

Center a numeric vector by subtracting off its mean.

display_density2d

Display tour path with a density and scatterplot

animate

Animate a tour path.

dependence_tour

A dependence tour path.

compute_v_rel

If not set, compute epsilon based on half_range

basis_dep_init

Initial basis for dependence tour.

bases_little

Generate bases for the little tour

display_andrews

Andrews' curves tour path animation.

cumulative_radial

Calculate radial cumulative distribtuion

cmass

Central mass index.

dcor2d

Distance correlation index.

anaglyph

Draw anaglyphs with base graphics.

basis_nearby

Generate nearby bases, e.g. for simulated annealing.

Olive oil measurements

Olive oil samples from Italy

basis_random

Generate a random basis

Laser measurements

Turnable laser measurements from Bellcore

blank_plot

Set up a blank plot to display data projections

Places Ratings

Ratings of different locations across North America

correct_orientation

check if the current and target bases are of the same orientation

Flea measurements

Flea beatle measurements

Rat CNS

Rat CNS Gene Expression

basis_init

Generate initial basis.

Ozone measurements

Monthly ozone measurements over Central America

check_freezer_safe

Check matrix is a valid frozen matrix