reverseSplit

A function to reverse the role of names and values in a list.

Given a list with names x and values in a set y this function returns a list with names in y and values in x.

Keywords
manip
Usage
reverseSplit(inList)
Arguments
inList
A named list with values that are vectors.
Details

First the list is unrolled to provide a two long vectors, names are repeated, once for each of their values. Then the names are split by the values. This turns out to be useful for inverting mappings between one set of identifiers and an other.

Value

A list with length equal to the number of distinct values in the input list and values from the names of the input list.

See Also

split

Aliases
  • reverseSplit
Examples
 l1 = list(a=1:4, b=c(2,3), d=c(4,5))
 reverseSplit(l1)

Documentation reproduced from package Biobase, version 2.26.0, License: Artistic-2.0

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