labels<-: Get and Set Labels of a hyperSpec Object
value may be a list or vector of labels giving the new label for
each of the entries specified by which.
Description
The names of the labels are the same as the colnames of the
data.frame. The label for the wavelength axis has the name
.wavelength.
Usage
labels (object, which = NULL, ...) <- value
"labels"(object, which = bquote(), drop = TRUE, ..., use.colnames = TRUE)
Arguments
object
a hyperSpec object
which
numeric or character to specify the label(s)
...
ignored
value
the new label(s)
drop
if the result would be a list with only one element, should the
element be returned instead?
use.colnames
should missing labels be replaced by column names of
the extra data?
Value
labels<- returns a hyperSpec object.labels returns a list of labels. If drop is
TRUE and the list contains only one element, the element is
returned instead.
Details
The labels should be given in a form ready for the text-drawing functions
(see plotmath), e.g. as expression or a
character.