Keep only common feature names

Subsets MSnSet instances to their common feature names.

Usage

commonFeatureNames(x, y)

Arguments

x

An instance of class MSnSet or a list or MSnSetList with at least 2 MSnSet objects.

y

An instance of class MSnSet. Ignored if x is a list/MSnSetList.

Value

An linkS4class{MSnSetList} composed of the input MSnSet containing only common features in the same order. The names of the output are either the names of the x and y input variables or the names of x if a list is provided.

Author

Laurent Gatto

Examples

library("pRolocdata")
data(tan2009r1)
data(tan2009r2)
cmn <- commonFeatureNames(tan2009r1, tan2009r2)
#> 551 features in common
names(cmn)
#> [1] "tan2009r1" "tan2009r2"
## as a named list
names(commonFeatureNames(list(a = tan2009r1, b = tan2009r2)))
#> 551 features in common
#> [1] "a" "b"
## without message
suppressMessages(cmn <- commonFeatureNames(tan2009r1, tan2009r2))
## more than 2 instance
data(tan2009r3)
cmn <- commonFeatureNames(list(tan2009r1, tan2009r2, tan2009r3))
#> 404 features in common
length(cmn)
#> [1] 3