# Boston College Department of Economics

# Statistical Software Components

Phone: 617-552-3670

Fax: +1-617-552-2308

Web page: http://fmwww.bc.edu/EC/

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Web: http://repec.org/docs/ssc.php

**Editor:**

Additional information is available for the following registered editor(s):
Christopher F Baum
**For corrections or technical questions regarding this series, please contact (Christopher F Baum)**

**Series handle:**repec:boc:bocode

**Citations RSS feed:**at CitEc

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**Access and download statistics**

**Top item:**

- By downloads (last 12 months)

**Undated material is presented at the end, although it may be more recent than other items**

### 2017

**S458381 SICFF: Stata module to create Fama French Industry Variable from SIC Code***by*Tyson Van Alfen**S458380 TWITTER2STATA: Stata module to import data from Twitter***by*Kevin Crow**S458379 BMP2DTA: Stata module to convert bitmap files to Stata datasets***by*Austin Nichols**S458378 PLOTRPYS: Stata module to plot a spectrogram using CSV export from CRExplorer***by*Lutz Bornmann**S458377 CVCRAND: Stata module for efficient design and analysis of Cluster Randomized Trials***by*John A. Gallis & Fan Li & Hengshi Yu & Elizabeth L. Turner**S458376 MULTIDOT: Stata module for multiple panel dot charts and similar***by*Nicholas J. Cox**S458375 BABIBPLOT: Stata module to plot two graph types which are rooted in Bland-Altman plots using journal and paper percentiles***by*Lutz Bornmann**S458374 BGSHADE: Stata module to add background shading to twoway plots using either dummy variable(s) denoting shaded areas and/or precoded NBER recessions***by*Eric Haavind-Berman & Aaron Markiewitz**S458373 MSDECO: Stata module to calculate the Mookherjee & Shorrocks (1982) over-time inequality decomposition by subgroup***by*Andrew Silva**S458372 REG2DOCX: Stata module to report regression results to formatted table in DOCX file***by*Chuntao Li & Yuan Xue**S458371 SUM2DOCX: Stata module to report summary statistics to formatted table in DOCX file***by*Chuntao Li & Yuan Xue**S458370 TIDY: Stata module to ease reshaping of data***by*Matthieu Gomez**S458369 MULTILINE: Stata module for multiple panel line plots***by*Nicholas J. Cox**S458368 STBRIER: Stata module to compute Brier score for censored time-to-event (survival) data***by*Ariel Linden & Thomas A Gerds & Chuck Huber**S458367 SMCLPRES: Stata module to create a SMCL presentation from a do file***by*Maarten L. Buis**S458366 QSUB: Stata module to emulate a cluster environment using your desktop PC***by*Adrian Sayers**S458365 VALIDSCALE: Stata module to assess validity and reliability of a multidimensional scale***by*Bastien Perrot**S458364 FGT_CI: Stata module to calculate and decompose Foster–Greer–Thorbecke (and standard) concentration indices***by*Marcel Bilger**S458363 IMPERFECTIV: Stata module to estimate bounds with "Imperfect Instrumental Variables" (Nevo and Rosen, 2012)***by*Benjamín Matta & Damian Clarke**S458362 WORDCONVERT: Stata module to transfer files among several types in Windows***by*Chuntao Li & Yuan Xue**S458361 STAFT: Stata module to fit flexible parametric accelerated failure time models***by*Michael J. Crowther**S458360 CATERPILLAR: Stata module to generate confidence intervals, Bonferroni-corrected confidence intervals, and null distribution***by*Laura Bellows & Paul T. von Hippel**S458358 FCSTATS: Stata module to compute time series forecast accuracy statistics***by*Christopher F Baum**S458357 WID: Stata module to download data from the World Wealth and Income Database (WID.world)***by*Thomas Blanchet**S458356 RANGERUN: Stata module to run Stata commands on observations within range***by*Robert Picard & Nicholas J. Cox**S458355 XTSEQREG: Stata module to perform sequential estimation of linear panel data models***by*Sebastian Kripfganz**S458354 COVFEFE: Stata module despite the constant negative press***by*Michael Stepner**S458353 PFWB: Stata module to predict Financial Well-Being scale scores from CFPB survey instrument***by*Austin Nichols**S458352 REG_SANDWICH: Stata module to compute cluster-robust (sandwich) variance estimators with small-sample corrections for linear regression***by*Marcelo Tyszler & James E. Pustejovsky & Elizabeth Tipton**S458351 TABLE1_MC: Stata module to create "table 1" of baseline characteristics for a manuscript***by*Mark Chatfield**S458350 _GRNDRAW: Stata module for random number generation from the GB2, Singh-Maddala, Dagum, Fisk and Pareto distributions***by*Philippe Van Kerm**S458349 IHSTRANS: Stata module for generating inverse hyperbolic sine (IHS) transformed variables***by*Jan Helmdag**S458348 SCREEN: Stata module to screen observations that meet specific distributional criteria in terms of percentile, standard deviation or interquartile range***by*Marco Santacroce**S458347 GETMSTATISTIC: Stata module to Quantify Systematic Heterogeneity in Meta-Analysis***by*Lerato Magosi**S458346 KMATCH: Stata module for multivariate-distance and propensity-score matching***by*Ben Jann**S458345 GROUPSEQ: Stata module providing functions to determine group sequential trial designs***by*Michael J. Grayling**S458344 MPLOTOFFSET: Stata module to produce marginsplots with offset plotting symbols***by*Nick Winter**S458343 ESTQUANT: Stata module to implement Quantile approach by Combes et al***by*Keisuke Kondo**S458342 CALIPMATCH: Stata module for caliper matching without replacement***by*Michael Stepner & Allan Garland**S458341 ALOGIT: Stata module to estimate (In)attentive logit regression from Abaluck and Adams***by*Jason Abaluck & Mauricio Caceres Bravo**S458340 NORMALRIR: Stata module to calculate ridits of inverse ridits between Normal populations***by*Roger Newson**S458339 ASREG: Stata module to estimate rolling window regressions and by(group) regressions***by*Attaullah Shah**S458338 ASTX: Stata module to create a table of descriptive statistics and t-statistics by a grouping variable***by*Attaullah Shah**S458337 ELTMLE: Stata module to provide Ensemble Learning Targeted Maximum Likelihood Estimation***by*Miguel Angel Luque-Fernandez**S458336 MADS: Stata module to calculate Median Absolute Deviations***by*Basharat Hussain**S458335 MARGINSCONTPLOT2: Stata module to graph margins for continuous predictors***by*Patrick Royston**S458334 TEXRESULTS: Stata module to create external file of LaTeX macros with results***by*Alvaro Carril**S458333 GEOCODE_IP: Stata module to geocode IP addresses***by*Sergio Correia**S458332 HTMLTIT: Stata module to generate a document title variable for a HTML filename variable***by*Roger Newson**S458331 APCGO: Stata module to calculate age-period-cohort effects for the gap between two groups (based on a Blinder-Oaxaca decomposition), including trends for each parameter***by*Louis Chauvel & Anne Hartung & Eyal Bar-Haim**S458330 ADFMAXUR: Stata module to calculate Leybourne (1995) ADFmax unit root test statistic along with 1, 5 and 10% finite-sample critical values and associated p-values***by*Jesús Otero & Christopher F Baum**S458329 PRODY: Stata module to calculate factor intensity and sophistication indicators***by*Stephan Huber**S458328 EXPY: Stata module to calculate the EXPY-index as proposed by Hausmann et al. (2007)***by*Stephan Huber**S458327 STRBEE: Stata module to estimate a treatment effect adjusting for treatment switches***by*Ian White**S458326 QFACTOR: Stata module to perform Q-analysis on Q-sorts using different factor extraction and factor rotation technique***by*Noori Akhtar-Danesh**S458325 QCONVERT: Stata module to convert a raw Q-sort file into a new Q-sort file which is ready for analysis by QFACTOR program***by*Noori Akhtar-Danesh**S458324 CVAUROC: Stata module to compute Cross-validated Area Under the Curve for ROC Analysis after Predictive Modelling for Binary Outcomes***by*Miguel Angel Luque-Fernandez & Camille Maringe & Paul Nelson**S458323 ERSUR: Stata module to calculate Elliott, Rothenberg & Stock DF-GLS unit root test statistic along with 1, 5 and 10% finite-sample critical values and associated p-values***by*Jesús Otero & Christopher F Baum**S458322 WELFLOSSAS: Stata module to compute well-being (monetary) gain/loss measures and social welfare loss indices and curves associated with segregation using either disaggregated or aggregated data for the quantitative variable***by*Alicia Pérez-Alonso**S458321 ASTILE: Stata module to provide a faster and byable alternative for xtile***by*Attaullah Shah**S458320 HECKROC: Stata module to plot ROC curves***by*Jonathan Cook & Ashish Rajbhandari**S458319 NETWORK: Stata module to perform network meta-analysis***by*Ian White**S458318 TRANSLOG: Stata module to create new variables for a translog function***by*Kerry Du**S458317 BUNDLE: Stata module to bundle image files in a web page using base64 encoding***by*German Rodriguez**S458316 COLORSCATTER: Stata module to draw scatter plots with marker colors varying by a third variable***by*Simon Hess**S458315 RESPDIFF: Stata module for generating response differentiation indices***by*Joss Roßmann**S458314 INTERFLEX: Stata module to estimate multiplicative interaction models with diagnostics and visualization***by*Yiqing Xu & Jens Hainmueller, & Jonathan Mummolo & Licheng Liu**S458313 DESCGEN: Stata module to add Stata dataset attribute variables to a xdir resultsset***by*Roger Newson**S458312 STCAPTURE: Stata module to estimate survival functions and hazard ratios***by*Patrick Royston**S458311 VCE2WAY: Stata module to adjust a Stata command's standard errors for two-way clustering***by*Hong Il Yoo**S458310 LABELDATASYNTAX: Stata module to produce syntax to label variables and values, given a data dictionary***by*Mark Chatfield**S458309 POBREZAECU: Stata module to predict poverty in Ecuador***by*Daniel Jaramillo Calderonn & Sergio Guerra Reyes**S458308 XTGCAUSE: Stata module to test for Granger non-causality in heterogeneous panels***by*Luciano Lopez & Sylvain Weber**S458307 SDIST: Stata module to simulate the Central Limit Theorem***by*Marshall Taylor**S458306 XTCAEC: Stata module to estimate heterogeneous error correction models in cross-sectional dependent panel data***by*Korbinian Nagel**S458305 NW_WCC: Stata module to calculate Weighted Clustering Coefficients (WCC) in Complex Direct Networks***by*Charlie Joyez**S458304 RCTMISS: Stata module to analyse a randomised controlled trial (RCT) allowing for informatively missing outcome data***by*Ian White**S458303 WHEREIS: Stata module to keep track of ancillary programs and files***by*German Rodriguez**S458302 RSZ: Stata module to draw a stratified simple random sample, a systematic sample, or a randomly split zones sample, with probabilities proportional to size***by*Cong Ye**S458301 RMPW: Stata module to implement the RMPW method of causal mediation analysis to decompose treatment effects into "direct" and "indirect" effects***by*Jonah Deutsch & Matthew Jacobus & Alma Vigil**S458300 MEDSEM: Stata module to perform mediation analysis using structural equation modelling***by*Mehmet Mehmetoglu**S458299 EXPLORELABS: Stata module to explore the use of value labels in the dataset***by*Malte Kaukal**S458298 KONFOUND: Stata module to quantify robustness of causal inferences***by*Kenneth A. Frank & Ran Xu**S458297 MAUCHLY: Stata module to compute Mauchly’s sphericity test for repeated measures ANOVA models***by*Muhammad Rashid Ansari**S458296 ALBATROSS: Stata module to create albatross plots***by*Sean Harrison**S458295 DRMMWS: Stata module to perform doubly-robust marginal mean weighting through stratification***by*Ariel Linden**S458294 TEXMERGE: Stata module to merge many .tex files into one and then compile the final file to .pdf***by*Iain Snoddy**S458293 XMISS: Stata module to perform cross-tabulation of missing data***by*Phil Clayton**S458292 STCOMLIST: Stata module to list cumulative function in presence of competing risks***by*Phil Clayton**S458291 PLSSEM: Stata module to implement Partial least squares structural equation modelling (PLS-SEM)***by*Sergio Venturini & Mehmet Mehmetoglu**S458290 MSEFFECT: Stata module to estimate the mean effect size of (binary/multiple group) treatment on multiple outcomes***by*Zizhong Yan**S458289 STPM2_STANDSURV: Stata module to obtain standardized survival curves after fitting an stpm2 survival model***by*Paul Lambert**S458287 HETOP: Stata module for estimating heteroskedastic ordered probit models with ordered frequency data***by*Benjamin R. Shear & sean f. reardon**S458286 PCPANEL: Stata module to perform power calculations for randomized experiments with panel data, allowing for arbitrary serial correlation***by*Fiona Burlig & Louis Preonas & Matt Woerman**OCT002 HJC: OCTAVE module to Determine the Optimal Lag Order in A VAR Model by Minimizing a New Information Criterion***by*Abdulnasser Hatemi-J & Alan Mustafa**CPP001 ASYM_CAUS: C++ module for Transforming an Integrated Variable with Deterministic Trend Parts into Negative and Positive Cumulative Partial Sums***by*Youssef El-Khatib & Abdulnasser Hatemi-J

### 2016

**S458285 MTEBINARY: Stata module to compute Marginal Treatment Effects (MTE) With a Binary Instrument***by*Amanda Kowalski & Yen Tran & Ljubica Ristovska**S458284 QLQC15: Stata module for scoring of the EORTC QLQ-C15-PAL***by*Niels Henrik Bruun**S458283 KAPPAETC: Stata module to evaluate interrater agreement***by*Daniel Klein**S458282 TW3XLS: Stata module to export publication-ready three-way and four-way tables into xls or xlsx***by*Andrey Ampilogov**S458281 NWSTRENGTHCENT: Stata module to compute Freeman's centrality index (1979) for strength centrality***by*Charlie Joyez**S458280 NWCLUSTER: Stata module to compute the clustering coefficient of a network's vertices***by*Charlie Joyez**S458279 PROBITFE: Stata module to compute analytical and jackknife bias corrections for fixed effects estimators of panel probit models with individual and time effects***by*Mario Cruz-Gonzalez & Ivan Fernandez-Val & Martin Weidner**S458278 LOGITFE: Stata module to compute analytical and jackknife bias corrections for fixed effects estimators of panel logit models with individual and time effects***by*Mario Cruz-Gonzalez & Ivan Fernandez-Val & Martin Weidner**S458277 KANOM: Stata module to estimate Krippendorff's alpha for nominal variables***by*Pablo Mitnik**S458276 RWOLF: Stata module to calculate Romano-Wolf stepdown p-values for multiple hypothesis testing***by*Damian Clarke**S458275 STDDIFF: Stata module to compute Standardized differences for continuous and categorical variables***by*Ahmed M. Bayoumi**S458274 XTREGCLUSTER: Stata module to estimate partially heterogeneous linear panel data with fixed effects***by*Demetris Christodoulou & Vasilis Sarafidis**S458273 OPTASPECT: Stata module to compute heuristic criteria for optimal aspect ratios in a two-variable line plot***by*Demetris Christodoulou**S458272 ENTROPYETC: Stata module for entropy and related measures for categories***by*Nicholas J. Cox**S458271 CNSTOCK: Stata module to download stock names and codes for Chinese listed companies***by*Chuntao Li & Zijian Li & Yuan Xue**S458270 CPRDENTUTIL: Stata module to convert CPRD entity data variables to numeric variables***by*Roger Newson**S458269 MROBUST: Stata module to estimate model robustness and model influence***by*Cristobal Young & Katherine Holsteen**S458268 STRKEEP: Stata module to clean string variables by keeping only whitelisted characters***by*Roger Chu**S458267 VRATIO: Stata module to compute variation ratio and proportion of maximum heterogeneity (measures of dispersion) for categorical variables***by*Jeffrey T. Ward**S458266 SUBINFILE: Stata module to perform byte-based substitution for the contents of a text-formatted file***by*Chuntao Li & Yuan Xue & Rong GAO**S458265 WTDTTT: Stata module to estimate parameters of the ordinary and reverse Waiting Time Distribution (WTD) by maximum likelihood***by*Henrik Stovring**S458264 GEOROUTE: Stata module to calculate travel distance and travel time between two addresses or two geographical points***by*Sylvain Weber & Martin Péclat**S458263 NWRECIPROCITY: Stata module to calculate reciprocity metrics for (weighted) directed networks***by*Charlie Joyez**S458262 NWDISPARITY: Stata module to calculate the disparity of a network's nodes***by*Charlie Joyez**S458261 NWANND: Stata module to compute ANND (average nearest neighbor degree) and related measures***by*Charlie Joyez**S458260 CNINTRADAY: Stata module to Download intraday stock quotations for a list of stock codes in a given date from SinaFinance***by*Chuntao Li & Yuan Xue**S458259 IGENERATE: Stata module to apply a variety of coding schemes, including weighted effect coded interactions***by*Alexander Schmidt-Catran**S458258 FRAMINGHAM30: Stata module to calculate 30-year risk of cardiovascular disease***by*Aliaksandr Amialchuk**S458257 PANELL: Stata module to display panel length for a given set of variables***by*Jan Helmdag**S458256 XTFIXEDCOEFTVCU: Stata module to estimate Panel Data Models with Coefficients that Vary over Time and Cross-sectional Units***by*Diallo Ibrahima Amadou**S458255 ISOGRAPH: Stata module to compute inequality over logit ranks of social hierarchy***by*Louis Chauvel & Eyal Bar-Haim**S458254 AEXTLOGIT: Stata module to compute average elasticities for fixed effects logit***by*J.M.C. Santos Silva**S458253 VSAVE: Stata module to save Stata dataset under version control***by*Daniel Klein**S458252 SAVE13: Stata module to save data in version 13 format***by*Michael Stepner**S458251 BLINDSCHEMES: Stata module to provide graph schemes sensitive to color vision deficiency***by*Daniel Bischof**S458250 SAVE12: Stata module to save data in version 12 format***by*Michael Stepner**S458249 PPML_PANEL_SG: Stata module to estimate "structural gravity" models via Poisson PML***by*Tom Zylkin**S458248 XTMIXEDIOU: Stata module to estimate Linear mixed effects Integrated Ornstein-Uhlenbeck model***by*Rachael Hughes**S458247 UIRT: Stata module to fit unidimensional Item Response Theory models***by*Bartosz Kondratek**S458246 DIAGRAM: Stata module to analyze executed ado programs and produce a dynamic profile diagram***by*E.F. Haghish**S458245 FOREC_INSTAB: Stata module to perform forecast comparison and forecast rationality tests***by*Barbara Rossi**S458244 VERACRYPT: Stata module to mount or dismount a VeraCrypt volume***by*Patrick McNeal & Matthew White**S458243 STPM2CR: Stata module to estimate flexible parametric competing risks regression models***by*Sarwar Islam & Paul Lambert & Mark Rutherford**S458242 CHINAGCODE: Stata module to geocode Chinese addresses***by*Chuntao Li & Yuan Xue**S458241 MI_IMPUTE_WLOGIT: Stata module to perform weighted multiple imputation for binary/categorical variables***by*Tra My Pham**S458240 REGXFE: Stata module to fit a linear high-order fixed-effects model***by*Fernando Rios-Avila**S458239 PRODEST: Stata module for production function estimation based on the control function approach***by*Gabriele Rovigatti & Vincenzo Mollisi**S458238 NEXT: Stata module to perform regression discontinuity***by*Mark C. Long & Jordan Rooklyn**S458237 QRISK2CMD: Stata module to run QRISK2 from within Stata***by*Roger Newson**S458236 XTISTEST: Stata module to perform Portmanteau test for panel serial correlation***by*Jesse Wursten**S458235 XTHRTEST: Stata module to perform Born & Breitung Bias-corrected HR-test for first order panel serial correlation***by*Jesse Wursten**S458234 MAXDRAWDOWN: Stata module to calculate the maximum drawdown of a stock, fund or other financial product***by*Zhiyong Li**S458233 GSDATA: Stata module to download high frequency data for a list of stock in ShangHai or ShenZhen markets***by*Zhiyong Li**S458232 PSTRATA: Stata module for optimal propensity score stratification***by*Ariel Linden**S458231 SDMXUSE: Stata module to import data from statistical agencies using the SDMX standard***by*Sébastien Fontenay**S458230 LVALUES: Stata module for letter value calculation***by*Nicholas J. Cox**S458229 GINTREG: Stata module to perform Generalized Interval Regression***by*Jake Orchard**S458228 LMNWHITE2: Stata Module to Compute 2SLS-IV White IM Non Normality Test***by*Emad Abd Elmessih Shehata & Sahra Khaleel A. Mickaiel**S458227 LMNJBXT: Stata Module to Compute Panel Data Non Normality Jarque-Bera Test***by*Emad Abd Elmessih Shehata & Sahra Khaleel A. Mickaiel**S458226 LMNAD2: Stata Module to Compute 2SLS-IV Non Normality Anderson-Darling Test***by*Emad Abd Elmessih Shehata & Sahra Khaleel A. Mickaiel**S458225 LMABPGNL: Stata Module to Compute NLS Autocorrelation Breusch-Pagan-Godfrey Test at Higher Order AR(p)***by*Emad Abd Elmessih Shehata & Sahra Khaleel A. Mickaiel**S458224 LMABPG2: Stata Module to Compute 2SLS-IV Autocorrelation Breusch-Pagan-Godfrey Test at Higher Order AR(p)***by*Emad Abd Elmessih Shehata & Sahra Khaleel A. Mickaiel**S458223 GB2REG: Stata module to perform Regression with a GB2 Error Term***by*Jake Orchard**S458222 RGB2: Stata module to generate GB2 random numbers***by*Jake Orchard**S458221 RSGT: Stata module to generate skewed generalized t random numbers***by*Jake Orchard**S458220 TIMEIT: Stata module to provide single line version of timer on/off***by*Jesse Wursten**S458219 XTQPTEST: Stata module to perform Born & Breitung Bias-corrected LM-based test for serial correlation***by*Jesse Wursten**S458218 XTDPDQML: Stata module to perform quasi-maximum likelihood linear dynamic panel data estimation***by*Sebastian Kripfganz**S458217 FACTORN: Stata module to calculate the factors of an integer***by*Jay Dev Dubey**S458216 RCL: Stata module for estimation and simulation of random coefficient logit models***by*Szabolcs Lorincz**S458215 RCOLP2MAT: Stata module to produce a two-way table with row and column percentages as a matrix***by*Loris P. Fagioli**S458214 TAB2MAT: Stata module to produce a one-way table as a matrix***by*Loris P. Fagioli**S458213 FTOOLS: Stata module to provide alternatives to common Stata commands optimized for large datasets***by*Sergio Correia**S458212 PATH: Stata module to support file path manipulation***by*Daniel Klein**S458211 GOOGLEPLACES: Stata module to return search results from Google Places***by*Taylor Crockett & Stephen Barnes & Chris Schmidt**S458210 XTDPDML: Stata module to estimate Dynamic Panel Data Models using Maximum Likelihood***by*Richard Williams & Paul Allison & Enrique Moral Benito**S458209 WEBDOC: Stata module to create a HTML or Markdown document including Stata output***by*Ben Jann**S458208 LABONE: Stata module to label variables after import excel***by*Kerry Du**S458207 MULTISTATE: Stata module to perform multi-state survival analysis***by*Michael J. Crowther**S458206 PWCORRF: Stata module to compute pairwise correlations efficiently, with builtin reshape functionality***by*Jesse Wursten**S458205 STATASTATES: Stata module to add US state identifiers to dataset***by*William L. Schpero**S458204a XTCD2: Stata module to test for weak cross sectional dependence***by*Jan Ditzen**S458204 XTDCCE2: Stata module to estimate heterogeneous coefficient models using common correlated effects in a dynamic panel***by*Jan Ditzen**S458203 HHI5: Stata module to generate Herfindahl-Hirschman index (HHI) variables***by*Lian Yujun**S458202 BDIFF: Stata module to compute Bootstrap and Permutation tests for difference in coefficients between two groups***by*Lian Yujun**S458201 MATRIXTOOLS: Stata module to build, present and style Stata matrices***by*Niels Henrik Bruun**S458200 RANDOMSELECT: Stata module to randomly select and tag observations***by*Sean Higgins**S458199 TED: Stata module to test Stability of Regression Discontinuity Models***by*Giovanni Cerulli**S458198 RCALL: Stata module to provide seamless R in Stata***by*E.F. Haghish**S458197 WEBIMAGE: Stata module to print images from web files in pdf, png, jpeg, gif, and bmp format***by*E.F. Haghish**S458196 SPREGXT: Stata Econometric Toolkit to Estimate Spatial Panel Regression Models***by*Emad Abd Elmessih Shehata**S458195 DUDAHART: Stata module to calculate and graph Duda-Hart cluster stopping indices from distance matrix***by*Brendan Halpin**S458194 CPRDHESUTIL: Stata module for inputting HES-linkage datasets into Stata***by*Roger Newson**S458193 CPRDLINKUTIL: Stata module for inputting CPRD linkage-source datasets into Stata***by*Roger Newson**S458192 FQREG: Stata module to estimate quantile regression for non-negative data with a mass-point at zero and an upper bound***by*J.A.F. Machado & J.M.C. Santos Silva & Kehai Wei**S458191 COMBINATORICS: Stata module to evaluate the performance of all possible 2^n models generated with a given set of n possible explanatory variables***by*Claire Vandendriessche**S458190 CHOI_LR_TEST: Stata module to perform Choi's likelihood ratio test***by*William D. Dupont & W. Dale Plummer, Jr.**S458189 MGBE: Stata module to compute Multimodel Generalized Beta Estimator***by*Yutong Duan & Paul T. von Hippel**S458188 COVBAL: Stata module for producing covariate balance statistics***by*Ariel Linden**S458187 THEILDECO: Stata module to produce refined Theil index decomposition by group and quantile***by*Tim Liao**S458186 SCANDATA: Stata module to scan a dataset for specified characteristics***by*Malte Kaukal**S458185 GRPDF: Stata module to produce PDFs from memory graphs***by*Christopher F Baum**S458184 STDTABLE: Stata module to standardize cross-tabulations to pre-specified row and column totals***by*Maarten L. Buis**S458183 XDIR: Stata module to create a resultsset with one observation per file in a directory***by*Roger Newson