findInOrdered {oce} | R Documentation |
Find indices of tiems in an ordered vector
findInOrdered(x, f)
x |
a numeric vector, in increasing order by value. |
f |
a numeric vector of items whose indices are sought. |
The indices point to the largest items in x
that are less than
or equal the values in f
. The method uses a bisection search, so
the time taken is proportional to length(f) * log2(length(x))
.
A numerical vector indicating the indices of left-sided neighbors.
Dan Kelley
findInOrdered(seq(0,10,1), c(1.2,7.3))