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Stata Quick Reference and Index

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estimation comm<strong>and</strong>s — <strong>Quick</strong> reference for estimation comm<strong>and</strong>s 31<br />

Comm<strong>and</strong> Description See<br />

xtabond Arellano–Bond linear dynamic panel-data estimation [XT] xtabond<br />

xtcloglog R<strong>and</strong>om-effects <strong>and</strong> population-averaged cloglog models [XT] xtcloglog<br />

xtdpd Linear dynamic panel-data estimation [XT] xtdpd<br />

xtdpdsys Arellano–Bond/Blundell–Bond estimation [XT] xtdpdsys<br />

xtfrontier Stochastic frontier models for panel data [XT] xtfrontier<br />

xtgee Fit population-averaged panel-data models using GEE [XT] xtgee<br />

xtgls Fit panel-data models using GLS [XT] xtgls<br />

xthtaylor Hausman–Taylor estimator for error-components models [XT] xthtaylor<br />

xtintreg R<strong>and</strong>om-effects interval data regression models [XT] xtintreg<br />

xtivreg Instrumental variables <strong>and</strong> two-stage least squares for [XT] xtivreg<br />

panel-data models<br />

xtlogit Fixed-effects, r<strong>and</strong>om-effects, <strong>and</strong> population-averaged logit [XT] xtlogit<br />

models<br />

xtmelogit Multilevel mixed-effects logistic regression [XT] xtmelogit<br />

xtmepoisson Multilevel mixed-effects Poisson regression [XT] xtmepoisson<br />

xtmixed Multilevel mixed-effects linear regression [XT] xtmixed<br />

xtnbreg Fixed-effects, r<strong>and</strong>om-effects, <strong>and</strong> population-averaged negative [XT] xtnbreg<br />

binomial models<br />

xtpcse OLS or Prais–Winsten models with panel-corrected st<strong>and</strong>ard [XT] xtpcse<br />

errors<br />

xtpoisson Fixed-effects, r<strong>and</strong>om-effects, <strong>and</strong> population-averaged Poisson [XT] xtpoisson<br />

models<br />

xtprobit R<strong>and</strong>om-effects <strong>and</strong> population-averaged probit models [XT] xtprobit<br />

xtrc R<strong>and</strong>om-coefficients models [XT] xtrc<br />

xtreg Fixed-, between-, <strong>and</strong> r<strong>and</strong>om-effects, <strong>and</strong> population-averaged [XT] xtreg<br />

linear models<br />

xtregar Fixed- <strong>and</strong> r<strong>and</strong>om-effects linear models with an AR(1) [XT] xtregar<br />

disturbance<br />

xttobit R<strong>and</strong>om-effects tobit models [XT] xttobit<br />

zinb Zero-inflated negative binomial regression [R] zinb<br />

zip Zero-inflated Poisson regression [R] zip<br />

ztnb Zero-truncated negative binomial regression [R] ztnb<br />

ztp Zero-truncated Poisson regression [R] ztp<br />

The following estimation comm<strong>and</strong>s support the mi prefix.<br />

Linear regression<br />

regress [R] regress — Linear regression<br />

cnsreg [R] cnsreg — Constrained linear regression<br />

mvreg [R] mvreg — Multivariate regression

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