init_kmeans: Compute kmeans from random subset of pixels extracted from an...

In jbferet/biodivMapR: biodivMapR: an R package for a- and ß-diversity mapping using remotely-sensed images

Compute kmeans from random subset of pixels extracted from an image

Description

Compute kmeans from random subset of pixels extracted from an image

Usage

init_kmeans(
  input_rast,
  output_dir,
  input_mask = NULL,
  SelectBands = NULL,
  nbclusters = 50,
  nbIter = 20,
  Kmeans_info_save = NULL,
  Kmeans_info_read = NULL,
  maxPixel_kmeans = 1e+05,
  algorithm = "Hartigan-Wong",
  nbCPU = 1,
  verbose = T,
  progressbar = T
)

Arguments

input_rast	character. Path and name of the image to be processed.
output_dir	character. Path for output directory
input_mask	character. Path and name of the mask corresponding to the image
SelectBands	numeric. bands selected from input_rast
nbclusters	numeric. number of clusters used in kmeans
nbIter	numeric. nb of iterations averaged to compute diversity indices
Kmeans_info_save	character. path where to save Kmeans_info
Kmeans_info_read	character. path where to read Kmeans_info
maxPixel_kmeans	numeric. max number of pixels to extract for kmeans
algorithm	character. algorithm used in the kmeans clustering
nbCPU	numeric. Number of CPUs available
verbose	boolean. set true for messages
progressbar	boolean. set true for progress bar during clustering

Value

Kmeans_info

jbferet/biodivMapR documentation built on April 12, 2025, 1:32 p.m.