force & identity

Given that the two functions (although identical) serve different
purposes and are in a sense unrelated, it's not clear that a See Also
is needed (and in fact might be confusing).

-roger

Similarly, force & identity are identical (although with different
semantic connotations). ?Would be nice to have a see also from each.

Hadley

--
http://had.co.nz/

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Roger D. Peng  |  http://www.biostat.jhsph.edu/~rpeng/