search_better: Search for a better projection near the current projection.

In tourr: Tour Methods for Multivariate Data Visualisation

Search for a better projection near the current projection.

Description

Search for a better projection near the current projection.

Usage

search_better(
  current,
  alpha = 0.5,
  index,
  tries,
  max.tries = Inf,
  ...,
  method = "linear",
  cur_index = NA
)

Arguments

current	starting projection
alpha	the angle used to search the target basis from the current basis
index	index function
tries	the counter of the outer loop of the opotimiser
max.tries	maximum number of iteration before giving up
...	other arguments being passed into the search_better()
method	whether the nearby bases are found by a linear/ geodesic formulation
cur_index	the index value of the current basis

Examples

animate_xy(flea[, 1:6], guided_tour(holes(), search_f = search_better))

tourr documentation built on Aug. 8, 2025, 6:25 p.m.