dimensions | R Documentation |
Retrieves the wavelengths units and the spectral resolution from
Spectra*
objects.
## S3 method for class 'Spectra'
length(x)
## S4 method for signature 'Spectra'
nrow(x)
## S4 method for signature 'Spectra'
ncol(x)
## S3 method for class 'Spectra'
dim(x)
x |
For |
* Methods for Spectra
objects
nrow
returns the number of individuals in the collection
length
returns the number of wavelengths in the collection
ncol
returns NULL dim
returns a vector containing (1) the
number of individuals and (2) in the number of wavelengths in the collection
* Methods for Spectra
objects
nrow
returns the number of individuals in the collection
length
returns the number of wavelengths in the collection
ncol
returns the number of attributes in the collection dim
returns a vector containing (1) the number of individuals, (2) in the number
of wavelengths, and (3) the number of attributes in the collection
nrow
, ncol
, nwl
, and length
, return an
integer
, dim
returns a vector of length 2 or 3 (see Details section).
Pierre Roudier pierre.roudier@gmail.com
# Loading example data
data(australia)
spectra(australia) <- sr_no ~ ... ~ 350:2500
nrow(australia)
ncol(australia)
length(australia)
dim(australia)
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