Initialization method for UMAP — initial

This parameter is the type of initialization for the UMAP coordinates. Can be one of "spectral", "normlaplacian", "random", "lvrandom", "laplacian", "pca", "spca", or "agspectral". See uwot::umap() for more details.

Usage

initial_umap(values = values_initial_umap)

values_initial_umap

Format

An object of class character of length 8.

Arguments

values: A character string of possible values. See values_initial_umap in examples below.

Details

This parameter is used in recipes via embed::step_umap().

Examples

values_initial_umap
#> [1] "spectral"      "normlaplacian" "random"        "lvrandom"     
#> [5] "laplacian"     "pca"           "spca"          "agspectral"   
initial_umap()
#> UMAP Initialization  (qualitative)
#> 8 possible values include:
#> 'spectral', 'normlaplacian', 'random', 'lvrandom', 'laplacian', 'pca', ...