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What's new in Stata 13?

Stata 13 includes many new features as listed below., alternatively watch the Stata video tour on Youtube.

Treatment effects
  • Inverse-probability weights (IPW)
  • Regression adjustment
  • Propensity-score matching
  • Covariate matching
  • Doubly robust methods
  • Continuous, binary,and count outcomes
  • Endogenous treatment models
Multilevel models
  • Negative binomial
  • Ordered logistic
  • Ordered probit
  • Multinomial logistic
  • GLM
  • Hierarchical and crossed models
Power and sample size
  • Means, proportions, variances, correlations
  • Case–control and cohort studies
  • Interactive control panel
  • Tabular results
  • Automatic graphs
Generalized SEM
  • Generalized linear responses: binary, count, ordered outcomes
  • Multilevel models: nested (hierarchical) and crossed
  • Random slopes and intercepts
  • Fast
Forecasting
  • Time series and panels
  • One to thousands of equations
  • Identities
  • Add factors
  • Dynamic and static
  • CIs via stochastic simulation
  • Compare scenarios
Long strings
  • Two billion character strings
  • Text strings
  • Binary large objects (BLOBs)
  • Import/Export/ODBC/SQL
  • Work just like Stata strings
Panel data
  • Ordered outcomes
  • Random-effects ordered probit
  • Random-effects ordered logistic
  • Random-effects multinomial logit
  • Cluster–robust SEs
Project Manager
  • Organize files (1–10,000)
  • Multiple projects
  • Filter on filenames
  • Click to open
  • Click to run
Effect sizes
  • Comparison of means
  • ANOVA
  • Linear regression
  • Confidence intervals
  • Cohen's d, Hedges's g, Glass's Δ, η2, ω2
More documentation
  • Three all-new manuals
  • 11,000+ total pages
  • Thousands of worked examples
  • Statistical overviews
  • Fast and easy navigation
More statistics
  • Ordered probit with sample selection
  • Poisson with endogenous covariates
  • Robust SEs for quantile regression
  • ML estimation without programming
  • Fractional polynomial prefix
  • Intraclass correlations
  • Seven noncentral-t and noncentral-F functions
  • Marginal effects for changes from status quo
And more
  • Factor variables now show labels
  • Import delimited with preview
  • Import from Haver Analytics
  • Business calendars from data
  • Create Word and Excel files
  • Java plugin API
  • FTP and secure HTTP

Stata/MP. As with all of Stata, many of the new features in Stata 13 support multicore processors when using Stata/MP. Run faster, run Stata/MP.