featdata | R Documentation |
metabCombiner
objects organize metabolomics feature
information in the "featdata" slot. This method retrieves all metadata
or that of one dataset. The rows should identically correspond to the same
rows from the combinedTable data frame.
featdata(object, data = NULL) ## S4 method for signature 'metabCombiner' featdata(object, data = NULL)
object |
a |
data |
character dataset identifier |
data frame of feature metadata from one or all datasets
data(plasma30) data(plasma20) p30 <- metabData(head(plasma30,500), samples = "CHEAR") p20 <- metabData(head(plasma20,500), samples = "Red") p.comb <- metabCombiner(p30, p20, xid = "p30", yid = "p20") #full metadata extraction fdata <- featdata(p.comb, data = NULL) #single dataset feature information extraction fdata <- featdata(p.comb, data = "p20")
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