# default, adds factor 'spct.idx' with letters as levels
spct <- rbindspct(list(sun.spct, sun.spct))
spct
class(spct)
# adds factor 'spct.idx' with letters as levels
spct <- rbindspct(list(sun.spct, sun.spct), idfactor = TRUE)
head(spct)
class(spct)
# adds factor 'spct.idx' with the names given to the spectra in the list
# supplied as formal argument 'l' as levels
spct <- rbindspct(list(one = sun.spct, two = sun.spct), idfactor = TRUE)
head(spct)
class(spct)
# adds factor 'ID' with the names given to the spectra in the list
# supplied as formal argument 'l' as levels
spct <- rbindspct(list(one = sun.spct, two = sun.spct),
idfactor = "ID")
head(spct)
class(spct)
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