get_x_label: Get x label

In specmine: Metabolomics and Spectral Data Analysis and Mining

Get x label

Description

Returns the x-axis label associated with the dataset.

Usage

get_x_label(dataset)

Arguments

dataset

Dataset object.

Value

A character string giving the label of the x axis stored in 'dataset$labels$x'. If no x-axis label has been defined, the function returns an empty string.

Examples

datamatrix <- matrix(
  c(1, 2, 3, 4),
  nrow = 2,
  dimnames = list(c("10.5", "11.0"), c("s1", "s2"))
)
metadata <- data.frame(class = c("A", "B"), row.names = c("s1", "s2"))
dataset <- create_dataset(
  datamatrix,
  type = "concentrations",
  metadata = metadata,
  label.x = "ppm",
  label.values = "intensity"
)
get_x_label(dataset)

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