RandomMap: Create a map by randomly selecting points

In EmbedSOM: Fast Embedding Guided by Self-Organizing Map

Create a map by randomly selecting points

Description

Create a map by randomly selecting points

Usage

RandomMap(data, k, coordsFn)

Arguments

data	Input data matrix, with individual data points in rows
k	How many points to sample
coordsFn	a function to generate embedding coordinates (default none)

Value

map object (without the grid, if coordsFn was not specified)

Examples

d <- iris[,1:4]
EmbedSOM::PlotEmbed(
  EmbedSOM::EmbedSOM(
    data = d,
    map = EmbedSOM::RandomMap(d, 30, EmbedSOM::GraphCoords())),
  pch=19, clust=iris[,5]
)

EmbedSOM documentation built on April 4, 2025, 5:15 a.m.