Statistical Software Components

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XTHST: Stata module to test slope homogeneity in large panels: Jan Ditzen and Tore Bersvendsen
XTHYBRID: Stata module to estimate hybrid and correlated random effect (Mundlak) models within the framework of generalized linear mixed models (GLMM): Francisco (Paco) Perales and Reinhard Schunck
XTIDT: Stata module to compute Identification Variables in Panel Data: Emad Shehata
XTILE2: Stata module to create a new variable that categorizes exp by its quantiles: Zhiqiang Wang
XTILETEST: Stata module to test equality of percentiles across groups of observations: Christopher Baum
XTIMPORTU: Stata module to import monthly, quarterly, half-yearly or yearly time series and panel data as panelvar timevar valuevar from a supported file format to memory or a file: Ilya Bolotov
XTINE: Stata module to calculate percentile and quantile for a numeric variable: Christine Cook
XTISTEST: Stata module to perform Portmanteau test for panel serial correlation: Jesse Wursten
XTITSA: Stata module for performing interrupted time-series analysis for panel data: Ariel Linden
XTIVDFREG: Stata module to perform defactored instrumental variables estimation of large panel data models: Sebastian Kripfganz and Vasilis Sarafidis
XTIVREG28: Stata module to perform extended IV/2SLS, GMM and AC/HAC, LIML and k-class regression for panel data models (version 8): Mark Schaffer
XTIVREG2: Stata module to perform extended IV/2SLS, GMM and AC/HAC, LIML and k-class regression for panel data models: Mark Schaffer
XTKR: Stata module to implement the Keane and Runkle estimator for dynamic panel data models: Timothy Neal and Michael Keane
XTLOGLIN: Stata module to perform robust Lagrange multiplier test of linear and log-linear models against Box-Cox alternatives after regress or xtreg: David Vincent
XTLSDVC: Stata module to estimate bias corrected LSDV dynamic panel data models: Giovanni Bruno
XTMG: Stata module to estimate panel time series models with heterogeneous slopes: Markus Eberhardt
XTMIPOLATEU: Stata module to replace missing values in a time series, two- or multidimensional varlist with interpolated (extrapolated) ones: Ilya Bolotov
XTMIS: Stata module to report missing observations for each variable in xt data: Minh Nguyen
XTMIXED_CORR: Stata module to compute model-implied intracluster correlations after xtmixed: Roberto G. Gutierrez
XTMIXEDIOU: Stata module to estimate Linear mixed effects Integrated Ornstein-Uhlenbeck model: Rachael Hughes
XTMOD: Stata module to analyze and display interactions based on time-series data: Daniel Seifert
XTMORAN: Stata module to calculate Moran's I and Moran's Ii statistics for panel data and displaying a Moran scatterplot: Chen Zihou, Liu Xiangge and Xu Jiahui
XTMRHO: Stata module to calculate intra-class correlations after xtmixed: Lars Kroll
XTNONDYNTHRESHSFA: Stata module to estimate Threshold Effects in Non-Dynamic Panel Data Stochastic Frontier Models: Ibrahima Diallo
XTNPTIMEVAR: Stata module to estimate non-parametric time-varying coefficients panel data models with fixed effects: Ibrahima Diallo
XTNUMFAC: Stata module to estimate the number of factors in panel data: Jan Ditzen and Simon Reese
XTOOS: Stata module for evaluating the out-of-sample prediction performance of panel-data models: Alfonso Ugarte-Ruiz
XTOVERID: Stata module to calculate tests of overidentifying restrictions after xtreg, xtivreg, xtivreg2, xthtaylor: Mark Schaffer and Steven Stillman
XTPATTERN: Stata module to generate code showing pattern of xt data: Nicholas Cox
XTPATTERNVAR: Stata module to generate string variable describing panel patterns: Nicholas Cox
XTPDYN: Stata module to estimate dynamic random effects probit model with unobserved heterogeneity: Raffaele Grotti and Giorgio Cutuli
XTPEDRONI: Stata module to perform Pedroni's panel cointegration tests and Panel Dynamic OLS estimation: Timothy Neal
XTPMG: Stata module for estimation of nonstationary heterogeneous panels: Edward Blackburne and Mark Frank
XTPQML: Stata module to estimate Fixed-effects Poisson (Quasi-ML) regression with robust standard errors: Tim Simcoe
XTPROBITUNBAL: Stata module to estimate Dynamic Probit Random Effects Models with Unbalanced Panels: Pedro Albarran, Raquel Carrasco and Jesus Carro
XTPSSE: Stata module to estimate a conditional fixed-effects Poisson panel regression: Marinho Bertanha
XTQPTEST: Stata module to perform Born & Breitung Bias-corrected LM-based test for serial correlation: Jesse Wursten
XTQREG: Stata module to compute quantile regression with fixed effects: José António Machado and João Santos Silva
XTREGAM: Stata module to estimate Amemiya Random-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGBEM: Stata module to estimate Between-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGBN: Stata module to estimate Balestra-Nerlove Random-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGCLUSTER: Stata module to estimate partially heterogeneous linear panel data with fixed effects: Demetris Christodoulou and Vasilis Sarafidis
XTREGDHP: Stata module to estimate Han-Philips (2010) Linear Dynamic Panel Data Regression: Emad Shehata
XTREGFEM: Stata module to estimate Fixed-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGHET: Stata module to estimate MLE Random-Effects with Multiplicative Heteroscedasticity Panel Data Regression: Emad Shehata
XTREGMLE: Stata module to estimate Trevor Breusch MLE Random-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGRE2: Stata module to estimate random effects model with weights: Scott Merryman
XTREGREM: Stata module to estimate Fuller-Battese GLS Random-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGSAM: Stata module to estimate Swamy-Arora Random-Effects Panel Data: Ridge and Weighted Regression: Emad Shehata
XTREGTWO: Stata module to estimate panel regression with standard errors robust to two-way clustering and serial correlation in time effects: Harold Chiang, Bruce Hansen and Yuya Sasaki