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R function match() #56

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jmaccherone opened this issue May 15, 2013 · 0 comments

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jmaccherone commented May 15, 2013

Takes 2 vectors and returns a new vector with matching elements or N/A.

vector1 <- c(1, 2, 3, 4, 5)
vector2 <- c(1, 2, 3, 4, 0)
match(vector1, vector2)
[1] 1 2 3 4 NA
vector3 <- c(1, 2, 3)
vector4 <- c(2)
match(vector3, vector4)
[1] NA 1 NA

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