Extract the anchor points on the geodesic path
get_anchor(dt, group = NULL)a data object collected by the projection pursuit guided tour optimisation in the tourr package
the variable to label different runs of the optimiser(s)
a tibble object containing the target bases in each iteration
Other get functions:
get_basis_matrix(),
get_best(),
get_dir_search(),
get_interp_last(),
get_interp(),
get_interrupt(),
get_search_count(),
get_search(),
get_space_param(),
get_start(),
get_theo()
holes_1d_better %>% get_anchor()
#> # A tibble: 5 × 8
#> basis index_val info method alpha tries loop id
#> <list> <dbl> <chr> <chr> <dbl> <dbl> <dbl> <int>
#> 1 <dbl [5 × 1]> 0.749 new_basis search_better 0.5 1 1 1
#> 2 <dbl [5 × 1]> 0.752 new_basis search_better 0.5 2 6 2
#> 3 <dbl [5 × 1]> 0.798 new_basis search_better 0.495 3 1 3
#> 4 <dbl [5 × 1]> 0.813 new_basis search_better 0.49 4 7 4
#> 5 <dbl [5 × 1]> 0.904 new_basis search_better 0.485 5 3 5
holes_1d_geo %>% get_anchor()
#> # A tibble: 34 × 8
#> basis index_val info method alpha tries loop id
#> <list> <dbl> <chr> <chr> <dbl> <dbl> <dbl> <int>
#> 1 <dbl [5 × 1]> 0.749 new_basis search_geod… 0.5 1 1 1
#> 2 <dbl [5 × 1]> 0.753 best_line_search search_geod… NA 2 1 2
#> 3 <dbl [5 × 1]> 0.793 best_line_search search_geod… NA 3 1 3
#> 4 <dbl [5 × 1]> 0.805 best_line_search search_geod… NA 4 1 4
#> 5 <dbl [5 × 1]> 0.836 best_line_search search_geod… NA 5 1 5
#> 6 <dbl [5 × 1]> 0.890 best_line_search search_geod… NA 6 1 6
#> 7 <dbl [5 × 1]> 0.917 best_line_search search_geod… NA 7 1 7
#> 8 <dbl [5 × 1]> 0.929 best_line_search search_geod… NA 8 1 8
#> 9 <dbl [5 × 1]> 0.929 best_line_search search_geod… NA 9 1 9
#> 10 <dbl [5 × 1]> 0.933 best_line_search search_geod… NA 9 2 10
#> # … with 24 more rows