Stata Capabilities - Binary, count, and limited dependent variables

New in Stata 10

Logistic/logit regression

  • Basic (dichotomous) ML logistic regression with influence statistics
  • Fit diagnostics and ROC curve
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Skewed logistic regression
  • Grouped-data logistic regression

Conditional logistic regression

  • McFadden's choice model
  • 1:1 and 1:k matching
  • Conditional fixed-effects logit models (m:k matching) with exact likelihood (no limit on panel size)
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Multinomial logistic regression

  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Ordinal regression models

  • Ordered logistic (proportional-odds model)
  • Ordered probit
  • Robust, cluster–robust, bootstrap, and jackknife standard errors

Tobit regression and truncated regression

  • Lower and upper limits of censoring
  • Differing limits for each observation
  • Predictions available for expected value, conditional expected value, censored expected value, and probability of censoring
  • Endogenous regressors
  • Bootstrap and jackknife standard errors for tobit regression
  • Robust, cluster–robust, bootstrap, and jackknife standard errors for truncated regression
  • Linear constraints

Interval or interval-censored regression

  • Open and closed intervals
  • Robust, cluster–robust, bootstrap, and jackknife standard errors for interval regression
  • Bootstrap and jackknife standard errors for censored-normal regression
  • Linear constraints

Poisson and negative-binomial regression

  • Poisson goodness-of-fit tests
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Rank-ordered logistic regression

  • Plackett–Luce model, exploded logit, choice-based conjoint analysis
  • Complete rankings of ordered outcome
  • Incomplete rankings of ordered outcome
  • Ties ("indifference")
  • Robust or cluster–robust standard errors

Stereotype logistic regression

  • Predictions of probabilities of outcomes
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints




Nested logit

  • Full maximum-likelihood estimation
  • Up to eight nested levels
  • Facilities to set up the data and display the tree structure
  • Linear constraints, including constraints on inclusive value parameters
  • Predictions available for utility functions, probabilities, conditional probabilities, and inclusive values
  • Robust standard errors

Multinomial probit regression

  • Alternative- and case-specific variables
  • Homo- or heteroskedastic variances
  • Various correlation structures, including user-specified
  • Probabilities based on GHK simulator
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Heckman selection models

  • Two-step and full maximum likelihood
  • Predictions available for Mills' ratio, expected value, conditional expected value, probability of selection, nonselection hazard, and more
  • Robust, cluster–robust, bootstrap, and jackknife standard errors (maximum likelihood estimator only)
  • Linear constraints

Heckman selection with a binary outcome

  • Predictions available for probability of binary outcome, all four combinations of outcome and selection, probability of selection, conditional probability of outcome, and more
  • Robust, cluster–robust, bootstrap, and jackknife standard errors (maximum likelihood estimator only)
  • Linear constraints

Zero-inflated models

  • Zero-inflated Poisson
  • Zero-inflated negative binomial
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Zero-truncated models

  • Zero-truncated Poisson
  • Zero-truncated negative binomial
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Treatment-effects model

  • Fitted values and their standard error (SE)
  • Expected value given treatment or nontreatment and their SEs
  • Probability of treatment and its SE
  • Robust, cluster–robust, bootstrap, and jackknife standard errors
  • Linear constraints

Marginal effects

  • Marginal effects and elasticities
  • Standard errors and confidence intervals
  • Computation at means or specified covariate values
  • Computation for any predicted statistic

Linear and nonlinear combinations

  • Combinations of coefficients
  • Combinations of predictions
  • See Model testing and post-estimation support
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Last revised:17/06/2007