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Causal inference/Treatment effects
Stata's causal-inference suite allows you to estimate experimental-type causal
effects from observational data. Whether you are interested in a continuous,
binary, count, fractional, or survival outcome; whether you are modeling the outcome
process or treatment process; Stata can estimate your treatment effect. With
the most comprehensive set of causal-inference estimators available in any
software package, you will find the one that's right for you.
Learn about causal inference and causal-inference analysis.
See what's new in causal inference.
Estimators 
- Inverse-probability weights (IPW)

- Propensity-score matching

- Covariate matching

- Regression adjustment

- Weighted regression

- Doubly robust methods
- Difference in differences (DID)
Statistics
- Average treatment effects (ATEs)

- ATEs on the treated (ATETs)

- Potential-outcome means (POMs)

Outcomes 
- Continuous—linear
- Binary—logistic, probit, heteroskedastic probit
- Count—Poisson
- Fractional
- Nonnegative, including exponential mean
- Survival—exponential, Weibull, gamma, lognormal
Treatments
- Binary—logistic, probit, heteroskedastic probit
- Multivalued-multinomial logistic

Endogenous treatment effects
Local average treatment effects (LATE)
StataNow
- Three weighting estimators
- Normalized kappa
- Normalized covariate balancing
- Inverse-probability-weighted regression adjustment
- Binary, count, continuous, fractional, and nonnegative outcomes
- Balancing diagnostics and overidentification test

- Overlap plots

- Normalized kappa weighted covariate statistics

Endogeneity, Heckman-style selection, and panel data with causal effects
- Linear regression

- Interval regression, including tobit

- Probit regression

- Ordered probit regression

- Exogenous or endogenous regressors

- Endogenous or exogenous treatment; binary or ordinal treatment

- Random-effects models for panel data

Causal mediation analysis 
- Continuous, binary, and count outcomes
- Continuous, binary, and count mediators
- Binary, multivalued, and continuous treatments
- Linear, logit, probit, Poisson, and exponential mean models
- Two mediators
StataNow
- Direct effects, indirect effects, total effects, and POMs
Treatment effects with high-dimensional controls
- Continuous, binary, and count outcomes
- Logit or probit treatment model
- ATEs, ATETs, and POMs
- Lasso or square-root lasso variable selection
- Neyman orthogonal and doubly robust estimator
- Double machine learning
- Flexible model specification
See New in Stata 19 to learn about what was added in Stata 19.