A method specialization that returns the wavelength minimum [\(nm\)] from objects of classes waveband or of class generic_spct or derived.
waveband
generic_spct
wl_min(x, na.rm = FALSE)# S3 method for waveband min(..., na.rm = FALSE)# S3 method for generic_spct min(..., na.rm = FALSE)# S3 method for generic_mspct min(..., na.rm = FALSE, idx = "spct.idx")
# S3 method for waveband min(..., na.rm = FALSE)
# S3 method for generic_spct min(..., na.rm = FALSE)
# S3 method for generic_mspct min(..., na.rm = FALSE, idx = "spct.idx")
a length-one vector for individual objects or numeric vectors or a data frame for collections of spectra.
generic_spct, generic_mspct or waveband object.
ignored
not used in current version
character Name of the column with the names of the members of the collection of spectra.
min(generic_spct):
min(generic_spct)
min(generic_mspct):
min(generic_mspct)
Other wavelength summaries: wl_midpoint(), wl_range(), wl_stepsize()
wl_midpoint()
wl_range()
wl_stepsize()
min(sun.spct) wl_min(sun.spct)
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