Return subsets of spectra stored in class generic_spct or derived from
it.
Usage
# S3 method for generic_spct
subset(x, subset, select, drop = FALSE, ...)
Arguments
x
object to be subsetted.
subset
logical expression indicating elements or rows to keep: missing
values are taken as false.
select
expression, indicating columns to select from a spectrum.
drop
passed on to [ indexing operator.
...
further arguments to be passed to or from other methods.
Value
An object similar to x containing just the selected rows and
columns. Depending on the columns remaining after subsetting the class of
the object will be simplified to the most derived parent class.