[R] what is the "right" way to obtain frequencies of vector values?

[Dieter Menne]

Vlad Skvortsov <vss <at> 73rus.com> writes:
> Let's say I have vector x with positive integer values ranging from 1 to 
> N. I need to obtain another vector y of size N where y[i] contains the 
> number of times value i occurs in x. It is in a sense similar to hist() 
> (with appropriate number of breaks) or table() with numeric "factors".
> 
> Currenlty I use a custom function for that, but thought maybe there is a 
> more "direct" way in R.

table works with numerics:

table(c(1,1,3,4,12,123,12,2,21,2,2,2))

  1   2   3   4  12  21 123 
  2   4   1   1   2   1   1 

Dieter