[<-.spectra {spectrolab} | R Documentation |
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
[Package spectrolab version 0.0.19 Index]