Betahat An application that can estimate, test and simulate econometrics models.
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Betahat Description

Betahat is a complex application that runs all the standard methods in order to estimate, simulate and test econometric models. The equations can be time series or structural, linear or nonlinear, estimated as a single equation or in a system. The features that are distinctive to the program include robust methods for reading data, a dual mode interface, and econometrics methods including a very general nonlinear maximum likelihood model solver, Vector ARIMA, multivariate stochastic variance systems, and stochastic simulation. Betahat can read and merge data from Lotus, Excel, Access, dBase III, dBase IV, FoxPro 2.0, FoxPro 2.5, Visual FoxPro, TROLL(TM), DIF, ASCII(text), and its own file format DT5. Once data is read into the program it is presented in a spreadsheet editor where it can be viewed, edited, sorted, the periodicity can be changed, transformations can be performed with a wide variety of mathematical functions, and new series can be added. The spreadsheet features cut and paste from the clipboard allowing for very easy importing/exporting data to/from other Windows programs. If you have MS Excel on your machine, you can use Excel to edit data from within Betahat. Betahat has a data bank where equations can be saved and recalled later. This is how single equations are prepared to be used in some systems. If the equation is estimated the coefficients are saved as well so the equation could be simulated later without re-estimating it.

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