# Boston College Department of Economics

# Statistical Software Components

**Contact information of Boston College Department of Economics:**

Postal: Boston College, 140 Commonwealth Avenue, Chestnut Hill MA 02467 USA

Phone: 617-552-3670

Fax: +1-617-552-2308

Email:

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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### 2001

**VECAR: Stata module to estimate vector autoregressive (VAR) models***by*Christopher F Baum**XDATELIST: Stata module to create ascending numeric lists of dates***by*Roger Newson**STRDATE: Stata module to replace string date variables with numeric date variables with the same names***by*Roger Newson**CATGRAPH: Stata module to plotting means of a variable by category***by*Nick Winter**DSCONCAT: Stata module to concatenate a list of Stata data files into memory***by*Roger Newson**TOSQL: Stata module to transfer data to SQL database***by*Christopher F Baum**OUTSERIES: Stata module to write timeseries to text files***by*Christopher F Baum**GLCURVE7: Stata module to derive generalised Lorenz curve ordinates with unit record data (version 7)***by*Philippe Van Kerm & Stephen P. Jenkins**OMNINORM: Stata module to calculate omnibus test for univariate/multivariate normality***by*Christopher F Baum & Nicholas J. Cox**SUMMDATE: Stata module for summarizing date variable***by*Nicholas J. Cox**SENCODE: Stata module to encode a string variable non-alphanumerically into a numeric variable***by*Roger Newson**RGROUP: Stata module for Random Group Variance Estimation***by*Ulrich Kohler**CF3: Stata module to compare two datasets***by*Thomas Steichen**HLPDIR: Stata module to find location(s) of help file***by*Nicholas J. Cox**DESCSAVE: Stata module to export data set and machine-readable codebook***by*Roger Newson**SVYTABS: Stata module to Create Tables for export Combining Multiple Survey Tabulations***by*Michael Blasnik**MSTORE: Stata module to Store and Retrieve Matrices with Dataset***by*Michael Blasnik**SAVESOME: Stata module to save subset of data***by*Nicholas J. Cox**STBGET: Stata module to get packages from Stata Technical Bulletin***by*Nicholas J. Cox**SPSURV: Stata module to fit split population survival ('cure') model***by*Stephen P. Jenkins**XTGRAPH: Stata module to produce graphs of cross-sectional time series (xt) data***by*Paul Seed**EFFECTS: Stata module to provide a graphical interface for estimation commands***by*Michael Hills**STPM: Stata module to fit flexible parametric models for survival-time data***by*Patrick Royston**MADFULLER: Stata module to perform Dickey-Fuller test on panel data***by*Christopher F Baum**AFORMAT: Stata module to condense the display format of a variable***by*Jens M. Lauritsen & John Luke Gallup**TODATE: Stata module to generate Stata date variables from run-together date variables***by*Nicholas J. Cox**_GWTMEAN: Stata module containing extensions to generate to implement weighted mean***by*David Kantor**TSGRAPH: Stata module to produce time series line graph***by*Nicholas J. Cox & Christopher F Baum**SOREG: Stata module to implement the stereotype ordinal regression model***by*Mark Lunt**FBAR: Stata module to produce bar charts showing frequencies of categorical variables***by*Nicholas J. Cox**METANINF: Stata module to evaluate influence of a single study in meta-analysis estimation***by*Thomas Steichen**BLIST: Stata module to list values of variables in as small a space as possible***by*Adrian Mander**JOHANS: Stata module to perform Johansen-Juselius ML estimates of cointegration***by*Patrick Joly & Ken Heinecke & Charles Morris**VECAR6: Stata module to estimate vector autoregressive (VAR) models (version 6)***by*Christopher F Baum & Patrick Joly**OUTTABLE: Stata module to write matrix to LaTeX table***by*Christopher F Baum & Joao Pedro Azevedo**FACTMERG: Stata module to merge a list of factors to create string variables***by*Roger Newson**FACTREF: Stata module to insert new observations with reference values for factors***by*Roger Newson**FACTEXT: Stata module to extract factor values from a label variable created by parmest***by*Roger Newson**HADRILM: Stata module to perform Hadri panel unit root test***by*Christopher F Baum**LEVINLIN: Stata module to perform Levin-Lin-Chu panel unit root test***by*Fabian Bornhorst & Christopher F Baum**NHARVEY: Stata module to perform Nyblom-Harvey panel test of common stochastic trends***by*Christopher F Baum & Fabian Bornhorst**IPSHIN: Stata module to perform Im-Pesaran-Shin panel unit root test***by*Fabian Bornhorst & Christopher F Baum**GPRESET: Stata module to reset preferences for a custom graphics scheme to their original values***by*Roger Newson**GENEIGEN: Stata module to calculate eigenvalues of a real general matrix***by*Christopher F Baum**DOTEX: Stata module to generate TeX log from do-file***by*Roger Newson**OUTTEX: Stata module to LaTeX code for result tables after any estimation command***by*Antoine Terracol**SUTEX: Stata module to LaTeX code for summary statistics tables***by*Antoine Terracol**DSEARCH: Stata module to find variables with given variable label***by*Ulrich Kohler**CHIPLOT: Stata module to produce graphical assessment plot for dependence***by*Thomas Steichen**IDONEPSU: Stata module for dealing with strata that have singleton PSUs***by*Joshua H. Sarver**STATSMAT: Stata module to place descriptive statistics in matrix***by*Nicholas J. Cox & Christopher F Baum**DS3: Stata module to describe variables in memory***by*Nicholas J. Cox**DTHAZ: Stata module to compute discrete-time hazard and survival probability estimates***by*Alexis Dinno**PARAN: Stata module to compute Horn's test of principal components/factors***by*Alexis Dinno**GPREFSCODE: Stata module to report on graphics preferences***by*Jan Brogger**_GSOUNDEX: Stata module to implement soundex algorithm***by*Michael Blasnik**BPASS: Stata module to compute band pass filter for time series data***by*Eduard Pelz**BKING: Stata module to implement Baxter-King filter for timeseries data***by*Christopher F Baum & Martha Lopez**LABSORT: Stata module to recode a grouping variable according to a group statistic and reorder its value labels***by*Ross Odell**INTREG2: Stata module to perform interval regression with multiplicative heteroskedasticity***by*Weihua Guan**SQR: Stata module to make graphs square, or any other shape***by*Nicholas J. Cox**POWERCAL: Stata module to perform general power and sample size calculations***by*Roger Newson**DENTON: Stata module to interpolate a flow or stock series from low-frequency totals via proportional Denton method***by*Christopher F Baum & Sylvia Hristakeva**CORR_SVY: Stata module to compute correlation tables for survey data***by*Nick Winter**LOG2HTML: Stata module to produce HTML log files***by*Christopher F Baum & Nicholas J. Cox & Bill Rising**DFAO: Stata module to perform Dickey-Fuller unit root test in the presence of additive outliers***by*Richard Sperling**XPREDICT: Stata module to extend predict command***by*Patrick Royston**MCL: Stata module to estimate multinomial conditional logit models***by*John Hendrickx**LISTTEX: Stata module to list variables as rows of a TeX, HTML or word processor table***by*Roger Newson**RASCHCVT: Stata module to produce data in WINSTEPS format***by*Fred Wolfe**DIAGT: Stata module to report summary statistics for diagnostic tests compared to true disease status***by*Paul Seed**ESTSAVE: Stata module to save estimation results with current dataset***by*Michael Blasnik**THINPLATE: Stata module to calculate thin plate splines***by*Stanislav Kolenikov**GFIELDS: Stata module to calculate decomposition of inequality by source***by*Stanislav Kolenikov**TAKELOGS: Stata module to calculate logs of the data***by*Stanislav Kolenikov**RUSS_STATA: Stata tutorial in Russian***by*Stanislav Kolenikov**OUTMAT: Stata module to save a matrix***by*Stanislav Kolenikov**REGDPLOT: Stata module to produce regression diagnostics plot***by*Stanislav Kolenikov**DENORMIX: Stata module to perform decomposition of normal mixture***by*Stanislav Kolenikov**CHI2FIT: Stata module to perform Chi-squared goodness-of-fit test***by*Stanislav Kolenikov**BSTUT: Stata module providing tutorial on bootstrapping***by*Stanislav Kolenikov**ABOUTREG: Stata module providing tutorial on regression diagnostics***by*Stanislav Kolenikov**_GSTD01: Stata modules to standardize a variable***by*Stanislav Kolenikov**GROUPFM: RATS module for multivariate group mean panel FM-OLS tests***by*Peter Pedroni**MULTIPC2D: RATS module for cointegration tests in heterogenous panels with multiple regressors***by*Peter Pedroni

### 2000

**EGENMORE: Stata modules to extend the generate function***by*Nicholas J. Cox**LABUTIL: Stata modules for managing value and variable labels***by*Nicholas J. Cox**CONCORD: Stata module for concordance correlation***by*Nicholas J. Cox & Thomas Steichen**AVPLOT2: Stata modules for added variable plots***by*Nicholas J. Cox**TABLECOL: Stata module to add column percentages to table command***by*Nick Winter**METABIAS: Stata module to test for small-study effects in meta-analysis***by*Robert M Harbord & Ross J Harris & Jonathan AC Sterne & Thomas Steichen**COLDIAG: Stata module to perform BWK regression collinearity diagnostics***by*Joseph Harkness**FITSTAT: Stata module to compute fit statistics for single equation regression models***by*J. Scott Long & Jeremy Freese**DOUBMASS: Stata module to draw double mass plot***by*Nicholas J. Cox**CORTESTI: Stata module to test equality of two correlation coefficients***by*Herve M. Caci**CUSUM6: Stata module to compute cusum, cusum^2 stability tests***by*Christopher F Baum**GHISTCUM: Stata module to graph histogram and cumulative distribution***by*Christopher F Baum & Nicholas J. Cox**FINDVAL: Stata module to find a specific value***by*Stanislav Kolenikov**CENTCALC: Stata module to calculate distribution-based centiles***by*Patrick Royston & Eileen Wright**XRIGLS: Stata module to calculate reference intervals via generalised least squares***by*Patrick Royston & Eileen Wright**DFGLS: Stata module to compute Dickey-Fuller/GLS unit root test***by*Christopher F Baum & Richard Sperling**CHARUTIL: Stata module of utilities for working with characteristics***by*Nicholas J. Cox**ICOMP: Stata module to calculate model selection information criteria***by*Stanislav Kolenikov**ENLARGE: Stata module to propagate constant values through group***by*Stanislav Kolenikov**KPSS: Stata module to compute Kwiatkowski-Phillips-Schmidt-Shin test for stationarity***by*Christopher F Baum**METATRIM: Stata module to perform nonparametric analysis of publication bias***by*Thomas Steichen**IVGMM0: Stata module to perform instrumental variables via GMM***by*Christopher F Baum & David M. Drukker**SMHSIAO: Stata module to conduct Small-Hsiao test for IIA in multinomial logit***by*Nick Winter**MATVSORT: Stata module for sorting vectors or rows or columns of matrices***by*Nicholas J. Cox**ROBLPR: Stata module to estimate long memory in a set of timeseries***by*Christopher F Baum & Vince Wiggins**MODLPR: Stata module to estimate long memory in a timeseries***by*Christopher F Baum & Vince Wiggins**RECODE2: Stata module to provide extended recode capabilities***by*John Hendrickx**SHOWGPH: Stata module to to show graphs previously saved***by*Jan Brogger & Nicholas J. Cox**COPYDESC: Stata module to copy description of variable***by*Nicholas J. Cox**SHAPLEY: Stata module to perform additive decomposition of sample statistic***by*Stanislav Kolenikov**RND: Stata modules for random number generation***by*Joseph Hilbe**HIMATRIX: Stata module to highlight selected elements of scatterplot***by*Ulrich Kohler**BSPLINE: Stata modules to compute B-splines parameterized by their values at reference points***by*Roger Newson**STCASCOH: Stata module to create dataset suitable for case-cohort analysis***by*Enzo Coviello**STSELPRE: Stata module to fit proportional hazards model to case-cohort data***by*Enzo Coviello**NCT: Stata modules related to the noncentral t distribution***by*Thomas Steichen**NCF: Stata modules related to the noncentral F distribution***by*Thomas Steichen**HIST3: Stata module to draws histograms for intervals of different size***by*Ulrich Kohler & Steffen Kuehnel**DOLOG: Stata modules to execute commands from a file with logging***by*Roger Newson**DOLOGX: Stata modules to execute commands from a file with logging***by*Roger Newson**TSCOLLAP: Stata module to compact timeseries into dataset of means, sums, end-of-period values***by*Christopher F Baum**BCOEFF: Stata module to save regression coefficients to new variable***by*Zhiqiang Wang & Nicholas J. Cox**GRFREQ: Stata module to plot proportion of one variable by categories of another***by*Jan Brogger**GRLOGIT: Stata module to plot logit of a variable by categories of another variable***by*Jan Brogger**LRCHG: Stata module to calculate change in coefficients between logistic models***by*Jan Brogger**LRMATX: Stata module to make logistic regression estimates available***by*Jan Brogger**LRPLOT: Stata module to plot coefficients from a logistic regression***by*Jan Brogger**LRUTIL: Stata modules providing utilities for logistic regression***by*Jan Brogger**FORFILE: Stata module to execute command for each matching file***by*Jan Brogger**PRINTGPH: Stata module to execute command for each matching file***by*Jan Brogger**READLOG: Stata module to read and process a file***by*Jan Brogger**SPACES: Stata module to parse a file for delimiters***by*Jan Brogger**TITLE: Stata module to create a title for logfiles***by*Jan Brogger**DASHLN: Stata module to add dashed lines to graphs***by*Michael Blasnik**LOMODRS: Stata module to perform Lo R/S test for long range dependence in timeseries***by*Christopher F Baum & Tairi Room**CTABSTAT: Stata module to display table of summary statistics***by*Nicholas J. Cox**EXPANDBY: Stata module to duplicate observations by variable***by*Nicholas J. Cox**FINDDUP: Stata module to find non-unique values or observations***by*Fred Wolfe**FITMACRO: Stata module to evaluate fit of loglinear GLM Poisson models***by*John Hendrickx**NORMTEST: Stata module to perform tests of univariate kurtosis and skewness***by*Herve M. Caci**PREDCALC: Stata module to calculate out-of-sample predictions for regression, logistic***by*Joanne M. Garrett**_GRMEDF: Stata module to compute row medians with egen***by*Stanislav Kolenikov**RANVAR: Stata module to compute the random group variance estimator of the mean for survey data***by*Frauke Kreuter**MATMAP: Stata module to perform elementwise calculations for matrices***by*Nicholas J. Cox**SVMATF: Stata module to save a matrix to a file***by*Jan Brogger**LINCOM2: Stata module to compute multiple linear combinations***by*Jan Brogger**CSJL: Stata module to extend cs command for exposures with more than two categories***by*Jens M. Lauritsen & Thomas Steichen**SHOWNEAR: Stata module to show nearby values of numeric variable***by*Nicholas J. Cox**FRACDIFF: Stata module to generate fractionally-differenced timeseries***by*Christopher F Baum**GENVARS: Stata module to generate covariate patterns***by*Jan Brogger**CALIBR: Stata module for inverse regression and calibration***by*Stanislav Kolenikov**FRACIRF: Stata module to compute impulse response function for fractionally-integrated timeseries***by*Christopher F Baum**ROWRANKS: Stata module to create row ranks of a set of variables***by*Nicholas J. Cox**TGRAPH: Stata module to plot graph with transformed axes***by*Patrick Royston**ORDPLOT: Stata module for cumulative distribution plot of ordinal variable***by*Nicholas J. Cox**CPR: Stata module producing results for all possible combinations of arguments***by*Nicholas J. Cox**MLCOINT: Stata module to compute Johansen cointegration tests***by*Ken Heinecke**STCMD: Stata module to execute StatTransfer command from within Stata***by*Roger Newson**XTTEST3: Stata module to compute Modified Wald statistic for groupwise heteroskedasticity***by*Christopher F Baum**ATKPLOT: Stata module to generate Atkinson residual normality plots***by*Stanislav Kolenikov**FSREG: Stata module for forward search regression***by*Stanislav Kolenikov**CIFORM: Stata module to format confidence interval for tables in documents***by*Roger Newson**ROWSORT: Stata module to row sort a set of integer variables***by*Nicholas J. Cox**EXPGEN: Stata module to duplicate observations sorted in original order with generated variables***by*Roger Newson**EPSIGR: Stata module to save graph in EPSF format in UNIX environment***by*Henrik Stovring**DASHGPH: Stata module to construct dashed lines in scatterplots***by*Nick Winter**ADDTXT: Stata module to add text to graphs***by*Gary Longton**SWBOOT: Stata module to bootstrap stepwise linear or logistic regression models***by*Joanne M. Garrett**STAK: Stata module to do simple reshapes or stacks***by*Thomas Steichen**_GRPROD: Stata module to extend generate to produce row products***by*Philip Ryan**SSKAPP: Stata module to compute sample size for the kappa-statistic measure of interrater agreement***by*Jan Brogger**XTTEST2: Stata module to perform Breusch-Pagan LM test for cross-sectional correlation in fixed effects model***by*Christopher F Baum**TRINARY: Stata module containing extensions to generate to implement three-way logic***by*David Kantor**IVPROB-IVTOBIT6: Stata modules to estimate instrumental variables probit and tobit***by*Joseph Harkness**TORUMM: Stata module to produce data in RUMM format***by*Fred Wolfe**SPLIT: Stata modules for splitting string variables into parts***by*Nicholas J. Cox**MINIMAX: RATS module to estimate a minimax regression***by*Eric Blankmeyer**REDI: RATS module to estimate a robust regression***by*Eric Blankmeyer**RESDIAG: RATS module to perform residual diagnostics***by*Robert Amano & Jeff Gable & Simon van Norden**GED: RATS module to draw from Generalized Error Distribution***by*Tom Doan**REMEDIAN: RATS module to compute the median for large datasets***by*Eric Blankmeyer**LQD: RATS module for regression via least quartile difference estimator***by*Eric Blankmeyer**EPIDATA: Data entry system for use with Stata, SPSS, SAS, Excel, text formats***by*Jens M. Lauritsen & Michael Bruus

### 1999

**SME: Stata Program to compute tests of simple main effects***by*Philip B. Ender**PPROB: Stata Program to compute poisson probabilities***by*Philip B. Ender**NONADD: Stata Program to perform Tukey test for non-additivity***by*Philip B. Ender**LDEV: Stata Program to Compute Deviance after logistic***by*Philip B. Ender**CONTRAST: Stata Program to compute contrasts in anova***by*Philip B. Ender**CHIST: Stata Program to make frequency tables with class intervals***by*Philip B. Ender**VARCASE: Stata module to toggle the case of variable names***by*John R. Gleason**TSPLOT: Stata module to produce a time series plot***by*Aurelio Tobias**DIAGTEST: Stata module to report summary statistics for diagnostic test***by*Aurelio Tobias**SSIZEBI: Stata module to calculate sample size and power for the comparison of two or more proportions***by*Abdel G. Babiker**STUDYSI: Stata module to calculates sample size and power for comparative studies***by*Abdel G. Babiker**POVERTY: Stata module to calculate poverty measures***by*Philippe Van Kerm

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