[R] function to collapse data by factor/group

Alexander Nervedi alexnerdy at hotmail.com
Mon May 8 22:38:19 CEST 2006


Dear R-users,

are there pre-programmed packages that implement integer maximization? A 
preliminary google search didnt uncover anything that seemed to match.

I want to solve something like Max{U(x) + beta*U(x+y)} with respect to y, 
where y can take only integer values.

thanks.

Alnuddy




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