add_start function

A ggproto for drawing start points

This is a wrapper function used by explore_space_pca() and should be be called directly by the user

add_start(dt, start_size = 5, start_alpha = 1, start_color = NULL, ...)

Arguments

• dt: A data object from the running the optimisation algorithm in guided tour
• start_size: numeric; the size of start point
• start_alpha: numeric; the alpha of start point
• start_color: the variable to be coloured by
• ...: other aesthetics inherent from explore_space_pca()

Returns

a wrapper for drawing start points in explore_space_pca()

Examples

library(ggplot2)
# construct the space and start df for plotting
space <- tibble::tibble(x0 = 0, y0 = 0, r = 5)
holes_1d_geo %>%
  compute_pca() %>%
  purrr::pluck("aug") %>%
  clean_method() %>%
  get_start()

See Also

Other draw functions: add_anchor(), add_anno(), add_dir_search(), add_end(), add_interp(), add_interp_last(), add_interrupt(), add_search(), add_space(), add_theo()