subset_random_samples: Subset random samples

In specmine: Metabolomics and Spectral Data Analysis and Mining

Subset random samples

Description

Selects a random subset of samples from the dataset.

Usage

subset_random_samples(dataset, nsamples)

Arguments

dataset	Dataset to subset.
nsamples	Number of samples to select.

Value

A dataset object with the same structure as the input, containing a random subset of 'nsamples' samples.

Examples

set.seed(123)
data <- matrix(
  1:12,
  nrow = 3,
  dimnames = list(c("x1", "x2", "x3"), c("s1", "s2", "s3", "s4"))
)
metadata <- data.frame(
  class = factor(c("A", "A", "B", "B")),
  row.names = c("s1", "s2", "s3", "s4")
)
dataset <- list(data = data, metadata = metadata)
subset_random_samples(dataset, 2)

specmine documentation built on Aug. 5, 2026, 5:06 p.m.