[R] Nonlinear integer programming (again)

2015-02-14 Thread Zwick, Rebecca J
Another user suggested I elaborate on my previous post, giving specifics of the problem I am trying to solve. Here they are: It is a selection problem involving sample weights. Say we have applicants with test scores x. The vector y indicates whether the applicant is a member of Group Y,

[R] Nonlinear integer programming question

2015-02-11 Thread Zwick, Rebecca J
I am seeking an optimization routine that can deal with the following problem: Maximize g(x), where x is a vector and g is nonlinear, subject to linear constraints of the form h(x)0 and m(x)=0 and subject to the constraint that all values of x are 0 or 1. I can't find a nonlinear optimization