Search found 3 matches

by troelf
Fri Nov 19, 2010 7:03 am
Forum: Add-in Support
Topic: Heckman (Heckman selection model)
Replies: 27
Views: 29849

Re: Heckman (Heckman selection model)

I guess it's some issue with the data, maybe the procedures don't allow missing values? because regardless of how i specify the model the error always occurs.. attached is the workfile, e.g., with the selection equation being: case1 sat1 revbci_12 and response equation: revdiff ac1 cc1 distance g2g ...
by troelf
Thu Nov 18, 2010 5:27 am
Forum: Add-in Support
Topic: Heckman (Heckman selection model)
Replies: 27
Views: 29849

Re: Heckman (Heckman selection model)

Hello there. I am using Eviews 7.1 I tried to find a solution to my problem in the documentation but couldn't find anything. Maybe it's too basic, so i apologize if I've missed anything. The error message which pops up when estimating a two-step heckman model is: sizes do not match in matrix functio...
by troelf
Thu Jan 28, 2010 9:42 am
Forum: Estimation
Topic: Restricting coefficients to be equal across subsamples
Replies: 1
Views: 1170

Restricting coefficients to be equal across subsamples

Hi everybody, I must say I am relatively new to using Eviews. For my current problem I already spent days looking at books and the help pages.. just don't know how to do it or whether it is possible at all. What I want to do is multigroup analysis. I need to constrain one or more coefficients of an ...

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