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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

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

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

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

Marginal effects in Stochastic Frontier Analysis
Dear all: I am estimating a panel data SFA using the model proposed by Battese and Coelli (1995). I am using the Stata command sfpanel. For the sake of...
 3 posts

export table
I hope someone can help me with this (I guess it is super simple). I run a skewness test and got a result as the one shown in the attached image. I would...
 2 posts

renaming regressors when presenting the results?
In order to run a regression I named the regressors as x1 x2 x3 x3*x1 and so on (I have around 12 regressors) and when doing the "estimate table"...
 7 posts

efficiency analysis for multi output organisations (panel data)
Dear all: I am new doing efficiency analysis with Stata. I want to estimate production and cost functions for multi output firms using a balanced panel....
 3 posts

dcreate (efficient designs / choice experiments)
Dear friends: I am working with the dcreate command to build efficient designs for choice experiments. Does any of you know if there is an option to avoid...
 6 posts