outputAnnotationFeatureMetadata_UI_helper {peakPantheR} | R Documentation |
Return a table with features as rows and all feature metadata as columns
outputAnnotationFeatureMetadata_UI_helper(annot)
annot |
(peakPantheRAnnotation) Annotation object |
(data.frame) Features metadata
## Initialise a peakPantheRAnnotation object with 3 samples and 2 targeted ## compounds # Paths to spectra files spectraPaths <- c('./path/file1', './path/file2', './path/file3') # targetFeatTable targetFeatTable <- data.frame(matrix(vector(), 2, 8, dimnames=list(c(), c('cpdID','cpdName','rtMin','rt','rtMax','mzMin','mz', 'mzMax'))), stringsAsFactors=FALSE) targetFeatTable[1,] <- c('ID-1', 'Cpd 1', 3310., 3344.888, 3390., 522.194778, 522.2, 522.205222) targetFeatTable[2,] <- c('ID-2', 'Cpd 2', 3280., 3385.577, 3440., 496.195038, 496.2, 496.204962) targetFeatTable[,c(3:8)] <- vapply(targetFeatTable[,c(3:8)], as.numeric, FUN.VALUE=numeric(2)) emptyAnnotation <- peakPantheRAnnotation(spectraPaths=spectraPaths, targetFeatTable=targetFeatTable) # featureMetadata of an empty annotation outputAnnotationFeatureMetadata_UI_helper(emptyAnnotation) # data frame with 0 columns and 2 rows