profStep-methods {xcms} | R Documentation |
These methods get and set the m/z step for generating profile (matrix) data from raw mass spectral data. Smaller steps yield more precision at the cost of greater memory usage.
profStep(object)
## Not run: library(faahKO) cdfpath <- system.file("cdf", package = "faahKO") cdffiles <- list.files(cdfpath, recursive = TRUE, full.names = TRUE) xset <- xcmsRaw(cdffiles[1]) xset plotSurf(xset, mass=c(200,500)) profStep(xset)<-0.1 ## decrease the bin size to get better resolution plotSurf(xset, mass=c(200, 500)) ##works nicer on high resolution data. ## End(Not run)