Statistical Software Components

from Boston College Department of Economics
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XBRCSPLINE: Stata module to tabulate differences in predicted responses after restricted cubic spline models

Nicola Orsini

XCOLLAPSE: Stata module to make data set of summary statistics on disk or in memory

Roger Benedict Newson

XCONTRACT: Stata module to make a data set of frequencies and percents on disk or in memory

Roger Benedict Newson

XCORPLOT: Stata module to calculate and graph cross-correlation function

Nicholas Cox and Aurelio Tobias

XDATELIST: Stata module to create ascending numeric lists of dates

Roger Benedict Newson

XFRAC: Stata module to produce tabulation using categories defined by fractions of a cut-off value

Stephen Jenkins

XGROUP: Stata module to create a grouping variable with key values in an output dataset

Roger Benedict Newson

XML_TAB: Stata module to save results in Excel XML format

Michael Lokshin and Zurab Sajaia

XPREDICT: Stata module to extend predict command

Patrick Royston

XRIGLS: Stata module to calculate reference intervals via generalised least squares

Patrick Royston and Eileen Wright

XRIML: Stata module to calculate reference intervals via maximum likelihood

Eileen Wright and Patrick Royston

XSAMPSI: Stata module to calculate sample size for cross-over trials with continuous measures

Jan Brogger

XSVMAT: Stata module to convert a matrix to variables in an output dataset

Roger Benedict Newson

XTAB: Stata module to tabulate longitudinal data

Tony Brady

XTABOND2: Stata module to extend xtabond dynamic panel data estimator

David Malin Roodman

XTARSIM: Stata module to perform Monte Carlo analysis for dynamic panel data models

Giovanni S.F. Bruno

XTBALANCE: Stata module to transform the dataset into balanced Panel Data

Lian Yujun

XTCORR2: Stata module: extension of xtcorr

Jeroen Weesie

XTCOUNT: Stata module: Variant of count for panel data

Jeroen Weesie

XTCSD: Stata module to test for cross-sectional dependence in panel data models

Rafael E. De Hoyos and Vasilis Sarafidis

XTFISHER: Stata module to compute Fisher type unit root test for panel data

Scott Merryman

XTFMB: Stata module to execute Fama-MacBeth two-step panel regression

Daniel Hoechle

XTGRAPH: Stata module to produce graphs of cross-sectional time series (xt) data

Paul Seed

XTILE2: Stata module to create a new variable that categorizes exp by its quantiles

Zhiqiang Wang

XTIVREG2: Stata module to perform extended IV/2SLS, GMM and AC/HAC, LIML and k-class regression for panel data models

Mark Schaffer

XTLIST: Stata module: Listing panel data

Jeroen Weesie

XTLSDVC: Stata module to estimate bias corrected LSDV dynamic panel data models

Giovanni S.F. Bruno

XTMIS: Stata module to report missing observations for each variable in xt data

Minh Cong Nguyen

XTMOD: Stata module to analyze and display interactions based on time-series data

Daniel Seifert

XTMRHO: Stata module to calculate intra-class correlations after xtmixed

Lars Eric Kroll

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

XTPMG: Stata module for estimation of nonstationary heterogeneous panels

Edward F. Blackburne and Mark W. Frank

XTPQML: Stata module to estimate Fixed-effects Poisson (Quasi-ML) regression with robust standard errors

Tim Simcoe

XTREGRE2: Stata module to estimate random effects model with weights

Scott Merryman

XTSCC: Stata module to calculate robust standard errors for panels with cross-sectional dependence

Daniel Hoechle

XTSUR: Stata module to estimate seemingly unrelated regression model on unbalanced panel data

Minh Cong Nguyen

XTTEST2: Stata module to perform Breusch-Pagan LM test for cross-sectional correlation in fixed effects model

Christopher Baum

XTTEST3: Stata module to compute Modified Wald statistic for groupwise heteroskedasticity

Christopher Baum

XTTRANS2: Stata module to compute tables of transition probabilities

Nicholas Cox

XTVC: Stata module to compute confidence intervals for the variance component of random-intercept linear models

Matteo Bottai and Nicola Orsini

XTWEST: Stata module for testing for cointegration in heterogeneous panels

Damiaan Persyn and Joakim Westerlund

ZANDREWS: Stata module to calculate Zivot-Andrews unit root test in presence of structural break

Christopher Baum

ZB_QRM: Stata module to Recoding multiple responses into binary variables

Eric Zbinden

ZINB: Stata module to estimate zero inflated negative binomial model on count data

Jesper Sorensen

ZIP: Stata module to estimate zero inflated Poisson model on count data

Jesper Sorensen

ZIPSAVE: Stata module to save and use datasets compressed by zip

Henrik Stovring

ZTG: Stata module to estimate zero-truncated geometric regression

Joseph Michael Hilbe