LIMDEP Version 8.0 is an integrated program for estimation and analysis of linear and nonlinear models, with cross section, time series and panel data. The main feature of the package is a suite of more than 100 built-in estimators for all forms of the linear regression model, and stochastic frontier, discrete choice and limited dependent variable models, including models for binary, censored, truncated, survival, count, discrete and continuous variables and a variety of sample selection models. No other program offers a wider range of single and multiple equation linear and nonlinear models.
LIMDEP has long been a leader in the field of econometric analysis. Recognized for years as the standard software for the estimation and manipulation of discrete and limited dependent variable models, LIMDEP 8.0 is now unsurpassed in the breadth and variety of its estimation tools. LIMDEP is a true state-of-the-art program that is used for teaching and research at thousands of sites in universities, government and private research institutions around the world. Numerous innovations have originated in LIMDEP. For three examples: we set the standard for sample selection models; as of this release, no other software has combined the true fixed effects, random parameters, hierarchical models, and finite mixture models in such a wide variety of modeling frameworks; many of the roughly 20 models for count data that appear in LIMDEP are not supported by any other software.
NLOGIT Version 3.0
NLOGIT Version 3.0 is an extension of LIMDEP that, in addition to all features of LIMDEP, provides programs for estimation, model simulation and analysis of multinomial choice data, such as brand choice, transportation mode, and all manner of survey and market data in which consumers choose among a set of competing alternatives.
NLOGIT has become the standard package for estimation and simulation of multinomial discrete choice models. Version 3.0 is a full information maximum likelihood estimator for, among other models, up to four level nested logit models. Many other formulations are included in NLOGIT, including random parameters (mixed logit), latent class, multinomial probit, many forms of the nested logit model, and several new formulations for panel data. NLOGIT 3.0 is a superset of LIMDEP and includes all the features and capabilities of LIMDEP 8.0 plus NLOGIT’s FIML estimation programs. NLOGIT is the only large package for discrete choice analysis that contains the full set of features of an integrated econometrics program.
LIMDEP and NLOGIT are Complete Econometrics Packages
Each package offers a complete set of tools for econometric analysis. In addition to the estimation programs, LIMDEP and NLOGIT provide:
Data management, including input from all standard sources (such as Excel, SAS, and so on), all manner of transformations and sample controls
A wide range of graphical and numeric descriptive statistics capabilities
Built-in estimation programs plus a programming language, matrix algebra package and scientific calculator that allow you to write your own estimators, test statistics and simulation and analysis programs
Random number, vector and matrix capabilities for bootstrapping, Gibbs sampling and Monte Carlo simulation
Optimization tools that allow you to construct your own likelihood, GMM, or maximum simulated likelihood estimators
Analysis tools including graphics, numerical analysis and post estimation tools for specification and hypothesis testing
An extensive documentation set, with 2,000 pages, containing full reference guides for the programs, background econometrics, and sample applications