labels<- {hyperSpec} | R Documentation |
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
## S4 method for signature 'hyperSpec'
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? |
Details
The labels should be given in a form ready for the text-drawing functions
(see plotmath
), e.g. as expression
or a
character
.
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.
Author(s)
C. Beleites
See Also
Examples
labels (flu, "c") <- expression ("/" ("c", "mg / l"))
labels (chondro)
[Package hyperSpec version 0.100.2 Index]