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tourr (version 1.1.0)

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

install.packages('tourr')

Monthly Downloads

1,985

Version

1.1.0

License

MIT + file LICENSE

Issues

9

Pull Requests

0

Stars

65

Forks

22

Maintainer

Di Cook

Last Published

August 24th, 2023

Functions in tourr (1.1.0)

display_density2d

Display tour path with a density and scatterplot
display_andrews

Andrews' curves tour path animation.
center

Center a numeric vector by subtracting off its mean.
animate

Animate a tour path.
dependence_tour

A dependence tour path.
dcor2d

Distance correlation index.
display_pca

Display tour path with principal component scores with original axes
display_idx

Display a 1D linear aggregation index
display_slice

Display tour path with a sliced scatterplot
display_groupxy

Display 2D tour projections displayed separately by groups
display_image

Image tour path animation.
find_best_frozen_dir

Find most promising direction in frozen space.
display_stereo

Anaglpyh tour path animation.
display_stars

Star glyph tour path animation.
display_dist

1d distribution tour path animation.
display_sage

Display tour path with a sage scatterplot
display_trails

Display tour path with trails
display_faces

Chernoff faces tour path animation.
correct_orientation

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

Calculate radial cumulative distribtuion
display_depth

Display 3d projection with depth cues
draw_tour_axes

Draw tour axes on the projected data with base graphics
estimate_eps

Estimate cutoff eps for section pursuit.
display_scatmat

Scatterplot matrix tour path animation.
display_pcp

Parallel coordinates tour path animation.
eucl_norm_sq

Calculate the squared Euclidean norm of a vector x
check_freezer_safe

Check matrix is a valid frozen matrix
cmass

Central mass index.
frozen_tour

A frozen tour path.
compute_v_rel

If not set, compute epsilon based on half_range
freeze

Freeze and thaw matrices
linear_breaks

Returns n equidistant bins between a and b
find_best_dir

Find the most promising direction to travel in.
geodesic_path

Generate geodesic path.
find_frozen_path_peak

Find most highest peak along frozen geodesic.
display_xy

Display tour path with a scatterplot
find_platform

Find the platform Find the platform being used by the user
guided_section_tour

A guided section tour path.
guided_tour

A guided tour path.
little_tour

A little tour path.
mapColors

Map vector of factors to color
grand_tour

A grand tour path.
find_path_peak

Find the most interesting projection along a geodesic.
mapShapes

Map vector of factors to pch
frozen_guided_tour

The frozen guided tour
weights_bincount_radial

Computes weights for the rescaling of radial bin counts.
search_geodesic

A pseudo-derivative, line search algorithm.
search_frozen_geodesic

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

Generate a geodesic path between bases supplied by generator
holes

Holes index.
tourr-package

tourr: Tour Methods for Multivariate Data Visualisation
local_tour

A local tour path.
geodesic_info

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

Draw slice center guide with base graphics
interpolate

Interpolate geodesically between bases.
path_index

Compute index values for a tour history.
render_gif

Render frames of animation to a gif file
new_tour

Create a new tour.
render_anim

Render a set of animation frames
render

Render frames of animation to disk
norm_bin

Normality index.
plot.path_curve

Plot history curves.
manual_slice

Manually slice along a variable axis.
path_dist

Compute distance matrix from bases.
path_curves

Draw the path that the geodesics took.
is_orthonormal

Test if a numeric matrix is orthonormal.
plot.path_index

Plot history index with ggplot2.
normalise

Normalise a numeric matrix.
step_angle

Step along an interpolated path by angle in radians.
search_better

Search for a better projection near the current projection.
pda_pp

PDA projection pursuit index.
search_better_random

Search for a better projection using simulated annealing
step_fraction

Step along an interpolated path by fraction of path length.
lda_pp

LDA projection pursuit index.
render_proj

Render plotly animation frame
orthonormalise

Orthonormalise using modified Gram-Schmidt process.
paths_index

Compute index value for many histories.
proj_dist

Calculate the distance between two bases.
t1

Saved history of guided tour with holes
xnul

A null function
to_stop

Prints information on how to stop the output
search_posse

Search for a better projection based on Poss, 1995
project3d

Stereographic projection
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.
radial_tour

A radial tour path.
rescale

Rescale a matrix or data frame
planned_tour

A planned tour path.
radial_bin_weight_inv

Inverse weights for rescaling counts in radial bins.
save_history

Save tour history.
orthonormalise_by

Orthonormalise one matrix by another.
slice_index

Section pursuit index.
splines2d

Spline based index.
sphere_data

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

Calculate orthogonal distances
Flea measurements

Flea beatle measurements
andrews

Compute Andrews' curves
angular_breaks

Returns n equidistant bins between -pi and pi
areColors

Test if all entries are colors
basis_init

Generate initial basis.
Ozone measurements

Monthly ozone measurements over Central America
Laser measurements

Turnable laser measurements from Bellcore
Tropical Atmosphere Ocean

Tropical Atmosphere Ocean data
basis_nearby

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

Generate bases for the little tour
anaglyph

Draw anaglyphs with base graphics.
Rat CNS

Rat CNS Gene Expression
basis_random

Generate a random basis
Olive oil measurements

Olive oil samples from Italy
Places Ratings

Ratings of different locations across North America
blank_plot

Set up a blank plot to display data projections