subset-.spectra: Assign values to spectra

In spectrolab: Class and Methods for Spectral Data

Assign values to spectra

Description

`[<-` assigns the rhs values to spectra

Usage

## S3 replacement method for class 'spectra'
x[i, j] <- value

Arguments

x	spectra object (lhs)
i	Sample names (preferred), index, or a logical vector of length nrow(x)
j	band labels, as numeric or character or a logical vector of length ncol(x). Do not use indexes!
value	value to be assigned (rhs). Must either data coercible to numeric or another 'spectra' obj

Value

nothing. modifies spectra as side effect

Author(s)

Jose Eduardo Meireles

Examples

library(spectrolab)
spec = as_spectra(spec_matrix_example, name_idx = 1)
spec[ , 400:500] = spec[ , 400:500] * 1.2
spec

spectrolab documentation built on Feb. 16, 2023, 10:27 p.m.