SSC Stata modules
created or revised 2021-08-16 to 2021-09-16

AIC_MODEL_SELECTION  module to perform Forward Model Selection using AIC or BIC
Authors: Matthias Schonlau      Req: Stata version 16.1
Created: 2021-09-13
 

POWER_SWGEE  module to compute power (under both a Z and t distribution) for cluster randomized stepped wedge designs 
Authors: John A. Gallis   Xueqi Wang    Paul J. Rathouz    John S. Preisser   Fan Li  Elizabeth L. Turner      Req: Stata version 15.1
Created: 2021-09-07
 

VAR_NR  module to estimate set identified SVARS 
Authors: Abigail Kuchek  Jonah Danziger   Chris Koch      Req: Stata version 16
Revised: 2021-09-09
 

STANDSURV  module to compute standardized (marginal) survival and related functions
Authors: Paul Lambert      Req: Stata version 15.1
Created: 2021-09-05
 

XTMORAN  module to calculate Moran's I and Moran's Ii statistics for panel data and displaying a Moran scatterplot
Authors: Chen  Zihou  Liu Xiangge  Xu Jiahui      Req: Stata version 11
Created: 2021-09-03
 

LOASAMPSI  module to compute power and sample size for limits of agreement (LOA) analysis
Authors: Ariel Linden      Req: Stata version 11
Created: 2021-09-03
 

SRSLOGIT  module to perform Logit regression with secondary ridit splines
Authors: Roger Newson      Req: Stata version 16, wridit and bspline from SSC (q.v.)
Revised: 2021-08-28
 

XTEVENT  module to estimate and visualize linear panel event-study models
Authors: Simon Freyaldenhoven  Christian Hansen  Jorge Eduardo Perez Perez  Jesse Shapiro      Req: Stata version 11.2 and ivreghdfe, reghdfe, ftools, ivreg2, ranktest from SSC (q.v.)
Created: 2021-08-24
 

SSCI  module to compute Short and Simple Confidence Interval
Authors:  Chad Brown  Philipp Ketz   Adam McCloskey      Req: Stata version 12
Created: 2021-08-22
 

EXCELOUTPUT  module to output regression results directly to specific cells in excel file
Authors: Max Sacher      Req: Stata version 15
Created: 2021-08-22
 

WINRATIO  module to calculate the unmatched Win Ratio for prioritised outcomes 
Authors: John Gregson  Tim Collier      Req: Stata version 12
Created: 2021-08-18
 

RCM  module to implement regression control method / panel data approach to program evaluation
Authors:  Guanpeng Yan   Qiang Chen      Req: Stata version 16
Revised: 2021-08-24
 

MORANPLOT  module to produce Moran scatter plots
Authors: Zhenhuan Chen      Req: Stata version 16.1
Revised: 2021-09-13
 

DRDID  module for the estimation of Doubly Robust Difference-in-Difference models
Authors: Fernando Rios-Avila  Pedro H.C. Sant'Anna   Asjad Naqvi      Req: Stata version 14 
Revised: 2021-08-22
 

CSDID  module for the estimation of Difference-in-Difference models with multiple time periods
Authors: Fernando Rios-Avila  Pedro H.C. Sant'Anna  Brantly Callaway      Req: Stata version 14 and drdid from SSC (q.v.)
Revised: 2021-08-22
 

GITEE  module to install and uninstall Stata packages from Gitee website
Authors: Kerry Du      Req: Stata version 
Revised: 2021-09-05
 

HETSAR  module to estimate spatial autoregressive models with heterogeneous coefficients 
Authors: Federico Belotti      Req: Stata version 11.2
Revised: 2021-08-17
 

SONGBL  module to search and share Stata resources and blogs
Authors: Song Bolin      Req: Stata version 16 and the ability to read Chinese
Revised: 2021-08-19
 

QREGPLOT  module for plotting coefficients of a Quantile Regression
Authors: Fernando Rios-Avila      Req: Stata version 11
Revised: 2021-08-24
 

CNGDF  module to calculate any base period GDP deflator for China
Authors: Song Bolin      Req: Stata version 14
Revised: 2021-09-03
 

PYCONVERTU  module to convert a string variable into a classification from the default or user-provided JSON file with the help of Python 3
Authors: Ilya Bolotov      Req: Stata version 16 and Python 3
Revised: 2021-08-27
 

OMEGACOEF  module to calculate the omega reliability coefficient
Authors: Brian Shaw      Req: Stata version 12
Revised: 2021-09-09
 

GRIDSEARCH  module to optimize tuning parameter levels with a grid search
Authors: Matthias Schonlau      Req: Stata version 14 and crossvalidate from SSC (q.vc)
Revised: 2021-08-24
 

STMT  module to model multiple timescales using flexible parametric survival models on the log-hazard scale
Authors: Hannah Bower  Therese M-L Andersson  Michael J. Crowther  Paul Lambert      Req: Stata version 13.1
Revised: 2021-09-07
 

RADF  module to calculate unit root tests for explosive behaviour
Authors: Jesús Otero  Christopher F Baum      Req: Stata version 13 and moremata from SSC (q.v.)
Revised: 2021-08-24
 

METADTA  module to perform fixed- and random-effects meta-analysis and meta-regression of diagnostic accuracy studies
Authors: Victoria Nyawira Nyaga      Req: Stata version 14
Revised: 2021-09-03
 

STPP  module to compute Pohar-Perme non-parametric estimate of marginal relative (net) survival
Authors: Paul Lambert      Req: Stata version 16
Revised: 2021-08-17
 

GE_GRAVITY  module to solve a simple general equilibrium one sector Armington-CES trade model
Authors:  Tom Zylkin      Req: Stata version 11.2
Revised: 2021-09-09
 

POWER_TWORATES_ZHU  module to calculate sample size or power for a two-sample test of rates
Authors: Mark Chatfield      Req: Stata version 15
Revised: 2021-08-23
 

HEATPLOT  module to create heat plots and hexagon plots
Authors: Ben Jann      Req: Stata version 13 and gtools, palettes, colrspace (>=14.2) from SSC (q.v.)
Revised: 2021-08-27
 

RIF  module to compute Recentered Influence Functions (RIF): RIF-Regression and RIF-Decomposition
Authors:  Fernando Rios-Avila      Req: Stata version 12 and oaxaca, reghdfe from SSC Archive (q.v.)
Revised: 2021-08-22
 

BRAIN  module to provide neural network
Authors:  Thorsten Doherr      Req: Stata version 10
Revised: 2021-09-03
 

SVMACHINES  module providing Support Vector Machines for both Classification and Regression
Authors: Nick Guenther  Matthias Schonlau      Req: Stata version 13
Revised: 2021-08-27
 

XTDPDGMM  module to perform generalized method of moments estimation of linear dynamic panel data models
Authors: Sebastian Kripfganz      Req: Stata version 13
Revised: 2021-08-19
 

MVTNORM  module to work with the multivariate normal and multivariate t distributions, with and without variable truncation
Authors: Michael J. Grayling  Adrian Mander      Req: Stata version 11
Revised: 2021-08-17
 

REGIFE  module to estimate linear models with interactive fixed effects
Authors: Matthieu Gomez      Req: Stata version 12 and hdfe, reghdfe from SSC (q.v.)
Revised: 2021-09-03
 

ADDPLOT  module to add twoway plot objects to an existing twoway graph
Authors: Ben Jann      Req: Stata version 9
Revised: 2021-08-18
 

XLS2DTA  module to save Excel files as Stata datasets
Authors: Daniel Klein      Req: Stata version 12.1
Revised: 2021-08-23
 

METAN  module for fixed and random effects meta-analysis
Authors: David Fisher  Ross Harris  Mike Bradburn  Jon Deeks  Roger Harbord  Doug Altman  Thomas Steichen  Jonathan Sterne  Julian Higgins      Req: Stata version 9 (version 9 for metan9, or version 7 for metan7)
Revised: 2021-08-17
 

End of recent additions and updates