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• ## [mixlogit] constraint in the parameters distribution

Dear all,

I'm using the 'mixlogit' command to estimate a RPL model. I want to put interactions to a variable that is random, with a parameter...

• ## Constraints with fmm

I have a pretty basic mixture regression thus:

. fmm 2: regress y x1 x2, lcprob(x1)

What I would like to do is constrain...

• ## Number of parameters in exploratory factor analysis

Hi everyone. Below is the output of an exploratory factor analysis using the command factor and the maximum likelihood estimation. There are six indicators...
Last edited by Kirin_Guess; 28 Jan 2019, 15:07.

• ## Constrain mean of latent variable in GSEM

Dear Stata users,

I am using GSEM to run a probit model with a binary dependent variable (y), a set of observed covariates (x1, x2, x3) and...
Last edited by Tobias Borger; 10 Oct 2018, 05:00.

• ## SUREG IZEF with constraints

I'm trying to estimate a system of equations concerning translog cost function and share equations, through IZEF using the sureg command. I have to impose...

• ## Difficulties using Stata's optimize() for a minimization problem with constraints

Hi,

I'm trying to calculate weights for constituents in an index using Stata's optimize() function. I have some code so far, but I'm having...

• ## Constraints with crossed random effects in meglm

Hi all,

I'm attempting to estimate the size (Cohen's f-squared) of a fixed effect in a crossed-random-effects model using meglm. Per the...
Last edited by Eric Knowles; 06 Dec 2017, 08:02.

• ## using constraints in nonlinear regression

Hello,
I am able to estimate the parameters (b1,b2) of the model below. My question is how can i put a constraint so that sum of ( exp({-b1}*lag))*(1-exp(-{b2}*lag)))...
Working...
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