Lookup
From DescTools v0.99.19
by Andri Signorell
Look Up a Value In a Reference Vector
Lookup
searches the positions of (first) matches of the argument x in its second argument idx and returns the according values from ret.
 Keywords
 manip
Usage
Lookup(x, ref, val)
Arguments
 x
 vector: the values to be matched. Long vectors are supported.
 ref
 vector: the values to be matched. Long vectors are supported.
 val
 vector: the values to be returned.
Details
This function is wrapping the function match
allowing to pass a vector from which the found elements should be returned. This is often used in a code lookup situation and might be simpler than using match or merge.
Value

A vector of the same length as
x
giving the elements in ret
at the position in idx
of the first match if there is a match, otherwise nomatch.See Also
Examples
x < c("a", "h", "b")
z < LETTERS
Lookup(x, letters, z)
Community examples
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