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tourr (version 1.2.6)
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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install.packages('tourr')
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839
Version
1.2.6
License
MIT + file LICENSE
Issues
1
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65
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Repository
https://github.com/ggobi/tourr
Homepage
https://ggobi.github.io/tourr/
Maintainer
Di Cook
Last Published
July 13th, 2025
Functions in tourr (1.2.6)
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check_freezer_safe
Check matrix is a valid frozen matrix
basis_random
Generate a random basis
correct_orientation
check if the current and target bases are of the same orientation
display_sage
Display tour path with a sage scatterplot
display_pcp
Parallel coordinates tour path animation.
compute_v_rel
If not set, compute epsilon based on half_range
draw_tour_axes
Draw tour axes on the projected data with base graphics
estimate_eps
Estimate cutoff eps for section pursuit.
display_density2d
Display tour path with a density and scatterplot
display_groupxy
Display 2D tour projections displayed separately by groups
display_idx
Display a 1D linear aggregation index
cmass
Central mass index.
eucl_norm_sq
Calculate the squared Euclidean norm of a vector x
display_depth
Display 3d projection with depth cues
draw_slice_center
Draw slice center guide with base graphics
find_frozen_path_peak
Find most highest peak along frozen geodesic.
find_path_peak
Find the most interesting projection along a geodesic.
display_dist
1d distribution tour path animation.
display_faces
Chernoff faces tour path animation.
find_best_dir
Find the most promising direction to travel in.
display_pca
Display tour path with principal component scores with original axes
find_best_frozen_dir
Find most promising direction in frozen space.
paths_index
Compute index value for many histories.
normalise
Normalise a numeric matrix.
orthonormalise
Orthonormalise using modified Gram-Schmidt process.
cumulative_radial
Calculate radial cumulative distribtuion
display_image
Image tour path animation.
dcor2d
Distance correlation index.
find_platform
Find the platform Find the platform being used by the user
frozen_guided_tour
The frozen guided tour
display_xy
Display tour path with a scatterplot
grand_tour
A grand tour path.
display_trails
Display tour path with trails
display_slice
Display tour path with a sliced scatterplot
display_andrews
Andrews' curves tour path animation.
display_scatmat
Scatterplot matrix tour path animation.
dependence_tour
A dependence tour path.
pda_pp
PDA projection pursuit index.
display_stars
Star glyph tour path animation.
display_stereo
Anaglpyh tour path animation.
geodesic_info
Calculate information required to interpolate along a geodesic path between two frames.
holes
Holes index.
geodesic_path
Generate geodesic path.
guided_section_tour
A guided section tour path.
guided_tour
A guided tour path.
frozen_tour
A frozen tour path.
guided_anomaly_tour
A guided anomaly tour path.
lda_pp
LDA projection pursuit index.
freeze
Freeze and thaw matrices
search_jellyfish
A jellyfish optimiser for projection pursuit guided tour
local_tour
A local tour path.
mapShapes
Map vector of factors to pch
mahal_dist
Calculate the Mahalanobis distance between points and center.
slice_index
Section pursuit index.
sphere_data
Sphere a matrix (or data frame) by transforming variables to principal components.
project3d
Stereographic projection
proj_dist
Calculate the distance between two bases.
little_tour
A little tour path.
linear_breaks
Returns n equidistant bins between a and b
new_geodesic_path
Generate a geodesic path between bases supplied by generator
norm_bin
Normality index.
MIC
Maximum and total information coefficient index.
path_dist
Compute distance matrix from bases.
new_tour
Create a new tour.
path_index
Compute index values for a tour history.
rescale
Rescale a matrix or data frame
save_history
Save tour history.
plot.path_index
Plot history index with ggplot2.
planned_tour
A planned tour path.
radial_bin_weight_inv
Inverse weights for rescaling counts in radial bins.
interpolate
Interpolate geodesically between bases.
print_final_proj
Print out the final projection basis
radial_tour
A radial tour path.
search_better
Search for a better projection near the current projection.
is_orthonormal
Test if a numeric matrix is orthonormal.
search_frozen_geodesic
A pseudo-derivative, line search algorithm along frozen geodesics.
weights_bincount_radial
Computes weights for the rescaling of radial bin counts.
plot.path_curve
Plot history curves.
search_geodesic
A pseudo-derivative, line search algorithm.
tourr-package
tourr: Tour Methods for Multivariate Data Visualisation
stringy
Scagnostic indexes.
render_gif
Render frames of animation to a gif file
path_curves
Draw the path that the geodesics took.
step_fraction
Step along an interpolated path by fraction of path length.
search_better_random
Search for a better projection using simulated annealing
orthonormalise_by
Orthonormalise one matrix by another.
render_proj
Render plotly animation frame
xnul
A null function
skewness
Skewness index.
manual_slice
Manually slice along a variable axis.
mapColors
Map vector of factors to color
render
Render frames of animation to disk
render_anim
Render a set of animation frames
search_polish
Search very locally to find slightly better projections to polish a broader search.
slice_binning
Separately binning observations inside and outside the slice.
to_stop
Prints information on how to stop the output
t1
Saved history of guided tour with holes
search_posse
Search for a better projection based on Poss, 1995
splines2d
Spline/loess based index.
step_angle
Step along an interpolated path by angle in radians.
Places Ratings
Ratings of different locations across North America
anchored_orthogonal_distance
Calculate orthogonal distances
andrews
Compute Andrews' curves
animate
Animate a tour path.
angular_breaks
Returns n equidistant bins between -pi and pi
center
Center a numeric vector by subtracting off its mean.
anomaly_index
Anomaly index.
areColors
Test if all entries are colors
basis_init
Generate initial basis.
Ozone measurements
Monthly ozone measurements over Central America
Tropical Atmosphere Ocean
Tropical Atmosphere Ocean data
Rat CNS
Rat CNS Gene Expression
anaglyph
Draw anaglyphs with base graphics.
Laser measurements
Turnable laser measurements from Bellcore
blank_plot
Set up a blank plot to display data projections
bases_little
Generate bases for the little tour
Flea measurements
Flea beatle measurements
Olive oil measurements
Olive oil samples from Italy
basis_nearby
Generate nearby bases, e.g. for simulated annealing.