getShapeMSI,msi.dataset-method | R Documentation |
Returns the geometrical shape of MSI dataset
## S4 method for signature 'msi.dataset' getShapeMSI(object)
object |
msi.dataset-class object. |
number of rows ans number of columns of the MS image.
## Load package library("SPUTNIK") ## Create the msi.dataset-class object sz <- c(5, 4) x <- matrix(rnorm(sz[1] * sz[2] * 20), sz[1] * sz[2], 20) x[x < 0] <- 0 mz <- sort(sample(100, ncol(x))) msiX <- msiDataset(x, mz, sz[1], sz[2]) ## Get m/z vector mz <- getMZ(msiX) ## Get intensity matrix X <- getIntensityMat(msiX) ## Get image size sz <- getShapeMSI(msiX)
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