If TRUE a list is returned with additional element
type
Type of matching, nearest index, nearest greater than or equal (right), number of elements smaller than y
otherwise the closest value above new.time is returned.
sorted
Set to true if new.time is already sorted
...
Optional additional arguments
Author(s)
Klaus K. Holst
Examples
id <- c(1,1,2,2,7,7,10,10)
fast.approx(unique(id),id)
t <- 0:6
n <- c(-1,0,0.1,0.9,1,1.1,1.2,6,6.5)
fast.approx(t,n,type="left")