Bookmark and Share

Notice: On March 31, it was announced that Statalist is moving from an email list to a forum. The old list will shut down on April 23, and its replacement, is already up and running.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

st: forcing non-negative parameters in OLS

From   "ali hashemi" <>
To   <>
Subject   st: forcing non-negative parameters in OLS
Date   Sat, 21 May 2011 14:28:15 -0400

Dear list members,

I would like to estimate a constrained OLS in which the estimated parameters
should be positive and also add up to one. I tried to define two constraints
and estimate the model using cnsreg. Unfortunately it seems that the
constraint command doesn't accept inequality constraints.  Any idea how can
I solve this problem? 

Your help is very much appreciated

*   For searches and help try:

© Copyright 1996–2015 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   Site index