SSC Stata modules
created or revised 2019-09-17 to 2019-10-17

REGGAE_MUSIC  module for rasta Stata users

Authors: Matteo Ruzzante      Req: Stata version 10

Created: 2019-10-14
 

IVGRAVITY  module containing method-of-moment IV estimators of exponential-regression models with two-way fixed effects from a cross-section of data on dyadic interactions and endogenous covariates

Authors: Koen Jochmans  Vincenzo Verardi      Req: Stata version 13

Created: 2019-10-14
 

DTA2MD  module to convert Stata system file to metadata

Authors: Klaus Pforr      Req: Stata version 10

Created: 2019-10-13
 

TFDIFF  module to compute pre- and post-treatment estimation of the Average Treatment Effect (ATE) with fixed binary treatment

Authors: Giovanni Cerulli      Req: Stata version 14 

Revised: 2019-10-11
 

XTPSSE  module to estimate a conditional fixed-effects Poisson panel regression

Authors: Marinho Bertanha      Req: Stata version 11

Created: 2019-10-06
 

SEQFIND  module to find the sequence of a numeric character within a variable list

Authors: Ariel Linden      Req: Stata version 11

Created: 2019-10-06
 

METAPREG  module to compute fixed and random effects meta-analysis and meta-regression of proportions

Authors: Victoria Nyawira Nyaga      Req: Stata version 14

Created: 2019-10-03
 

XTSS  module to estimate (S,s) rule regression models for panel data

Authors: David Vincent      Req: Stata version 13.1

Created: 2019-10-03
 

HPFILTER  module to compute one-sided Hodrick-Prescott filter

Authors: Narek Ohanyan      Req: Stata version 12

Revised: 2019-10-02
 

RHO_XTREGAR  module to estimate a consistent and asymptotically unbiased autocorrelation coefficient for xtregar fixed-effects or random-effects linear model with an AR(1) disturbance

Authors: Alexandre Cazenave-Lacroutz  Vieu Lin      Req: Stata version 10 and moremata from SSC (q.v.) 

Created: 2019-09-27
 

COMPLEXITY  module to compute complexity indexes from comparative advantage tables

Authors: Charlie Joyez      Req: Stata version 9 

Revised: 2019-10-03
 

EVALUE_ESTAT  module for conducting postestimation sensitivity analyses of unmeasured confounding in observational studies

Authors: Ariel Linden      Req: Stata version 11

Created: 2019-09-25
 

TWBY  module to create a cross-tabulation of graphs

Authors: Maarten L. Buis      Req: Stata version 11.2

Created: 2019-09-22
 

TSLSTARMOD  module to estimate a Logistic Smooth Transition Autoregressive Regression (LSTAR) Model for Time Series Data

Authors: Diallo Ibrahima Amadou      Req: Stata version 15.1

Revised: 2019-09-22
 

INEQDECGINI  module to estimate Gini coefficient with optional decomposition by subgroups

Authors: Stephen P. Jenkins      Req: Stata version 8.2

Revised: 2019-09-22
 

SRTREE  module to implement regression trees via optimal pruning, bagging, random forests, and boosting methods

Authors: Giovanni Cerulli      Req: Stata version 

Revised: 2019-10-07
 

SCTREE  module to implement classification trees via optimal pruning, bagging, random forests, and boosting methods

Authors: Giovanni Cerulli      Req: Stata version 15

Revised: 2019-10-07
 

TWGRAVITY  module to estimate exponential-regression models with two-way fixed effects from a cross-section of data on dyadic interactions

Authors: Vincenzo Verardi  Koen Jochmans      Req: Stata version 13

Revised: 2019-10-14
 

TEXTFIND  module to identify, analyze, and convert text entries into categorical data

Authors:  Andre Assumpcao      Req: Stata version 15

Revised: 2019-10-02
 

SCTO  module to provide utility functions for data collected using SurveyCTO 

Authors: SurveyCTO      Req: Stata version 13

Revised: 2019-09-22
 

EVALUE  module for conducting sensitivity analyses for unmeasured confounding in observational studies

Authors: Ariel Linden  Maya B. Mathur  Tyler J. VanderWeele      Req: Stata version 11

Revised: 2019-09-25
 

GZIPUTIL  module to provide access to gzipped files

Authors: Matthias Gomolka      Req: Stata version 15

Revised: 2019-09-25
 

ICIO  module for Economic Analysis with Inter-Country Input-Output tables

Authors: Federico Belotti  Alessandro Borin  Michele Mancini      Req: Stata version 11

Revised: 2019-10-03
 

VALLABSAVE  module to save and load label-only Stata datasets

Authors: Roger Newson      Req: Stata version 16

Revised: 2019-09-22
 

MARKSTAT  module to support literate data analysis using Stata and Markdown

Authors:  German Rodriguez      Req: Stata version 14, whereis from SSC, pandoc

Revised: 2019-10-07
 

PCPANEL  module to perform power calculations for randomized experiments with panel data, allowing for arbitrary serial correlation

Authors: Fiona Burlig  Louis Preonas  Matt Woerman      Req: Stata version 9

Revised: 2019-09-25
 

CPRDHESUTIL  module for inputting HES-linkage datasets into Stata

Authors: Roger Newson      Req: Stata version 13 and keyby, lablist from SSC (q.v.)

Revised: 2019-10-11
 

XDIR  module to create a resultsset with one observation per file in a directory

Authors: Roger Newson      Req: Stata version 16.0

Revised: 2019-10-03
 

NSTAGE  module for multi-arm, multi-stage (MAMS) trial designs for time-to-event outcomes

Authors: Patrick Royston  Daniel Bratton   Babak Choodari-Oskooei   Frederike Maria-Sophie Barthel      Req: Stata version 10

Revised: 2019-10-03
 

MIMRGNS  module to run margins after mi estimate

Authors: Daniel Klein      Req: Stata version 11.2

Revised: 2019-09-22
 

TWOFOLD  module to perform multiple imputation using the two-fold fully conditional specification algorithm to impute missing values in longitudinal data

Authors: Cathy Welch      Req: Stata version 12

Revised: 2019-10-02
 

CQIV  module to perform censored quantile instrumental variables regression

Authors: Victor Chernozhukov  Ivan Fernandez-Val  Sukjin Han  Amanda Kowalski      Req: Stata version 10

Revised: 2019-09-25
 

DESCSAVE  module to export data set and machine-readable codebook

Authors: Roger Newson      Req: Stata version 16.0

Revised: 2019-10-03
 

End of recent additions and updates