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hahaha, I just realised how stupid my question was. I guess Nick this was the more sophisticated question you have ever seen in this forum. I don't have...
 4 posts

format numbers
hi there: I have a variable x that is float %9.0g and is displayed like 6059.935... I want it to appear as 6.095 (period for thousand separator and...
 4 posts

William your tip worked !!! thank you very much, Juan...
 4 posts
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I guess the solution starts with
gen newvar = yq( year , quarter )
But then as far as I remember I should use the "format"...
 4 posts
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concatenate year and quarter
hello everyone: I want to concatenate a variable (year) with another variable (quarter), both numeric, but would like to include a slash (/) in between....
 4 posts

Thank you very much Sebastian. I started taking a look at this and it seems the command is capable of performing this operation. Thank you again. Jua...
 3 posts
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nonlinear optimisation with linear restrictions
Dear all: I need to find the B vector that minimises the following nonlinear function (BA)*IM*(BA) such that a linear restriction (also involving the...
 3 posts

thanks Maarten. This is really very generous of you. All the best, Juan
 9 posts
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Thanks Carlo. Thanks Maarten. I think I can save the e(V) matrix using the svmat command and then export it to a csv file. I'll try following this. Maarten:...
 9 posts
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I am sorry Carlo, I responded without taking a deeper look at this. It worked in the sense I could see the matrix without the column and row with zeros...
 9 posts
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It worked !!! thank you very much Carlo... best regards....
 9 posts
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matrix var nov with zeros for base dummy level
Dear friends from the State community :
I estimated a model with dummy variables but when I take a look at the variance covariance matrix it has...
 9 posts

Minimum distance function / Stochastic Frontier Analysis
Hi there: Does anyone know how to estimate a minimum distance function in Stata? I have the parameters and the covariance matrix from an unrestricted...
 1 post

Stochastic Frontier Analysis
Hello: I am estimating a SFA with an input distance function and cross section data. I use both a Translog and a CobbDouglas production function and...
 1 post

Thanks Phil. I already got in contact with the authors. Best regards
 3 posts
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