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new. The hyperSpec object is then initialized
using the given parameters.hyperSpec object.data.frame, possibly with the spectra in
data$spc, and further variates in more columns.
A matrix can be entered as one column of a data frame by:
data.frame (spc = I (as.matrix (spc))).Ho
spc does not need to be a matrix, it is converted explicitly
by I (as.matrix (spc)).
data. If no wavelengths are given, an
appropriate vector is derived from the column names of
data$spc. If this is not possible, 1 : ncol (data$spc)
is list containing the labels for the
columns of the data slot of the hyperSpec object and for
the wavelength (in label$.wavelength). The labels should be
given in a form ready for the text-drlist used to fill into the first entry of
.Object@log. The elements log$short, log$long,
log$date, and log$user are handed down to
new ("hyperSpec", spc = NULL, data = NULL,wavelength = NULL, label = NULL, log = NULL)
initialize (.Object, spc = NULL, data = NULL,
wavelength = NULL, label = NULL, log = NULL)
new for more information on creating and
initializing S4 objects.
plotmath on expressions for math annotations
as for slot label.new ("hyperSpec")
spc <- matrix (rnorm (12), ncol = 4)
new ("hyperSpec", spc = spc)
new ("hyperSpec", data = data.frame (x = letters[1:3]),
spc = spc)
colnames (spc) <- 600:603
new ("hyperSpec", spc = spc) # wavelength taken from colnames (spc)
# given wavelengths precede over colnames of spc
new ("hyperSpec", spc = spc, wavelength = 700:703)
# specifying labels
h <- new ("hyperSpec", spc = spc, data = data.frame (pos = 1 : 3),
label = list (spc = "I / a.u.",
.wavelength = expression (tilde (nu) / cm^-1),
pos = expression ("/" (x, mu*m)))
)
plot (h)
plotc (h, use.c = "pos")
# giving a log entry
new ("hyperSpec", log = list (short = "measurement parameters",
long = list ("exposure / s" = 10, sample = "327a")))Run the code above in your browser using DataLab