msi.dataset-class {SPUTNIK} | R Documentation |
msi.dataset-class S4 class definition containing the information about the mass spectrometry imaging dataset.
Description
msi.dataset-class S4 class definition containing the information about the mass spectrometry imaging dataset.
Slots
matrix
the peaks intensity matrix. Rows represent pixels, and columns represent peaks.
mz
vector of matched m/z values.
nrow
geometrical shape (number of rows) of image.
ncol
geometrical shape (number of columns) of image.
norm
normalization method.
normoffset
numeric offset used for the normalization.
vartr
variance stabilizing transformation.
vartroffset
numeric offset used for the variance stabilizing transformation.
numdetected
msImage of number of detected peaks.
totalioncount
msImage of total-ion-count per pixel.
Author(s)
Paolo Inglese p.inglese14@imperial.ac.uk
[Package SPUTNIK version 1.4.2 Index]