Re: [R] Caleberating weights

2015-02-14 Thread JS Huang
Hi, It's not clear what wizi is in the constraint Sum(wizi) = Z. If you can provide some data, it may make the problem easier to understand. -- View this message in context: http://r.789695.n4.nabble.com/Caleberating-weights-tp4703226p4703245.html Sent from the R help mailing list archive a

[R] Caleberating weights

2015-02-14 Thread Zahoor
Hi, Suppose I have weights di, I want to calibrate thesis weights I used the objective function Obj = Sum( wi/di-1)^2/2 ; where will be the resulting calibrated weights My calibration constraint is Sum(wizi) = Z , Z is pop total(1) I need r-code to minimize 'Obj' subject to the con