meta: Get metadata

In spectrolab: Class and Methods for Spectral Data

Get metadata

Description

meta returns metadata of spectra

Usage

meta(x, label = NULL, sample = NULL, simplify = FALSE, quiet = TRUE)

## S3 method for class 'spectra'
meta(x, label = NULL, sample = NULL, simplify = FALSE, quiet = TRUE)

Arguments

x	spectra object
label	metadata column index or label
sample	sample index or name
simplify	boolean. defaults to FALSE
quiet	boolean. warn about non-existent metadata? defaults to TRUE

Value

data frame or vector

Methods (by class)

• meta(spectra): get metadata

Author(s)

Jose Eduardo Meireles

Examples

library(spectrolab)
spec = as_spectra(spec_matrix_example, name_idx = 1)
spec = normalize(spec)
meta(spec, "normalization_magnitude")

spectrolab documentation built on April 3, 2025, 9:33 p.m.