Formal Formulation for BCP ( 3) The bilevel program for T-fold Cvis min ∑ 1,…,wr,y 个(W,y(x,y)∈2a) (outer-level subject to y∈r for t=1..T: Wr∈ arg min{cm(w,y(xy,y)∈2m)} (inner-level The bcp is challenging to solve in this formFormal Formulation for BCP (3) The bilevel program for T-fold CV is: (2) The BCP is challenging to solve in this form