Is there a way to access an index within a vector

Question

i need to access an index (individual value) within a vector. I assumed it would be similar to:

v1 <- c(a,b,c,d,e)
v1[3] = h

But that doesn\

Answer 1

> v1 <- c(1,2,3)
> v1[1] <- 5
> v1
[1] 5 2 3

Um, that should work. I'm not sure that it's clear what your problem is. In your example, are a,b,c,d,e and h all defined? Or should you be using them as strings (ie "a", "b", etc)?