Does anybody know to introduce EQUALITY constraints in 'constrOptim' function? BR, Shubha This e-mail may contain confidential and/or privileged i...{{dropped:13}}
On Thu, 3 Jan 2008, Shubha Vishwanath Karanth wrote:> Does anybody know to introduce EQUALITY constraints in 'constrOptim' > function? >You can't. The optimizer in constrOptim requires a starting value in the *interior* of the feasible region, and equality constraints mean there is no interior. -thomas Thomas Lumley Assoc. Professor, Biostatistics tlumley at u.washington.edu University of Washington, Seattle