guided_tour
(Package: tourr) :
A guided tour path.
Instead of choosing new projections at random like the grand tour, the guided tour always tries to find a projection that is more interesting than the current projection.
● Data Source:
CranContrib
● Keywords:
● Alias: guided_tour
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grand_tour
(Package: tourr) :
A grand tour path.
This method generates target bases by randomly sampling on the space of all d-dimensional planes in p-space.
● Data Source:
CranContrib
● Keywords:
● Alias: grand_tour
●
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new_geodesic_path
(Package: tourr) :
Generate a geodesic path between bases supplied by generator
A tour path is a function that when called with the current projection and data set, generates sequence of geodesic_paths. The path can either span the whole space of orthonormal matrices, the default or be restricted to a subspace with the frozen argument. More details are given in the documentation for freeze.
● Data Source:
CranContrib
● Keywords: internal
● Alias: new_geodesic_path
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search_better
(Package: tourr) :
Search for a better projection near the current projection.
Search for a better projection near the current projection.
● Data Source:
CranContrib
● Keywords: internal
● Alias: search_better
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normalise
(Package: tourr) :
Normalise a numeric matrix.
Ensure that columns of a numeric matrix have norm 1
● Data Source:
CranContrib
● Keywords: algebra, internal
● Alias: normalise
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orthonormalise_by
(Package: tourr) :
Orthonnormalise one matrix by another.
This ensures that each column in x is orthogonal to the corresponding column in by.
● Data Source:
CranContrib
● Keywords: algebra, internal
● Alias: orthonormalise_by
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paths_index
(Package: tourr) :
Compute index value for many histories.
This is a convenience method that returns a data frame summarising the index values for multiple tour paths.
● Data Source:
CranContrib
● Keywords: internal
● Alias: paths_index
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draw_tour_axes
(Package: tourr) :
Draw tour axes with base graphics
Draw tour axes with base graphics
● Data Source:
CranContrib
● Keywords: internal
● Alias: draw_tour_axes
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search_better_random
(Package: tourr) :
Search for better projection, with stochastic component.
Search for better projection, with stochastic component.
● Data Source:
CranContrib
● Keywords: internal
● Alias: search_better_random
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rescale
(Package: tourr) :
Rescale a matrix or data frame
Standardise each column to have range [0, 1]
● Data Source:
CranContrib
● Keywords: manip
● Alias: rescale
●
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providing 
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