Statistical Software Components

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WOSLOAD: Stata module to load datasets from Web of Science data

Adam Ozimek and Lutz Bornmann

WRIDIT: Stata module to generate weighted ridits

Roger Newson

WRITEINPUT: Stata module to write dataset in memory to new do-file as an input command

Eric Booth

WRITEKML: Stata module to write Keyhole Markup Language file

Gabi Huiber

WRITEPSFRAG: Stata module to translate Stata text to EPS

Ryan Kessler

WSCV: Stata module to compute the within-subject coefficient of variation

Ariel Linden

WTD: Stata module to produce analysis of waiting time distribution

Henrik Stovring

WTD_PERC: Stata module to calculate percentile of inter-arrival density based on the parametric Waiting Time Distribution (WTD)

Henrik Stovring

WTDTTT: Stata module to estimate parameters of the ordinary and reverse Waiting Time Distribution (WTD) by maximum likelihood

Katrine Bødkergaard Nielsen and Henrik Stovring

WTP: Stata module to estimate confidence intervals for willingness to pay measures

Arne Hole

WTPCIKR: Stata module to estimate Krinsky and Robb Confidence Intervals for Mean and Median Willingness to Pay

P. Wilner Jeanty

WWWHELP: Stata module to display the help document in PDF format of the specified command via browsers

Yujun Lian

WYOUNG: Stata module to perform multiple testing corrections

Julian Reif

XAUTO: Stata module to input an extended version of the auto data

Roger Newson

XB2PI: Stata module to transform the logit scores into probabilities

Nicola Orsini

XBALANCE: Stata module to compute standardized differences for stratified comparisons via R

Jake Bowers, Mark Fredrickson and Ben Hansen

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 Newson

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

Roger 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 Newson

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

Roger Newson

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

Stephen Jenkins

XFRAMEAPPEND: Stata module to append data frames to the end of the current data frame

Roger Newson

XGLM: Stata module to extend glm

Roger Newson

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

Roger Newson

XLINCOM: Stata module to estimate multiple linear combinations of parameters

Wouter Wakker

XLINK: Stata module to provide extra link functions for use with glm

Roger Newson

XLS2DTA: Stata module to save Excel files as Stata datasets

Daniel Klein

XLS2STATA: Stata module to provide Stata Dialog Box to Import Excel Files into Stata

Emad Shehata

XMISS: Stata module to perform cross-tabulation of missing data

Phil Clayton

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

XREWIDE: Stata module to extend reshape wide command

Roger Newson

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

Patrick Royston and Eileen Wright

XRIML: Stata module for estimation of reference intervals ('normal ranges') by maximum likelihood

Patrick Royston

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

Jan Brogger

XSMLE: Stata module for spatial panel data models estimation

Federico Belotti, Gordon Hughes and Andrea Piano Mortari

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

Roger Newson

XT2TREATMENTS: Stata module to estimate event studies with two treatments

Miklós Koren

XTAB: Stata module to tabulate longitudinal data

Tony Brady

XTABLE: Stata module for exporting table output to Excel

Weverthon Machado

XTABOND2: Stata module to extend xtabond dynamic panel data estimator

David Roodman

XTARIMAU: Stata module to find the best [S]ARIMA[X] models in heterogeneous panels with the help of arimaauto

Ilya Bolotov

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

Giovanni Bruno

XTAVPLOT: Stata module to produce added-variable plots for panel data estimation

John Luke Gallup

XTBALANCE2: Stata module to create a balanced subsample from unbalanced panel data

Jan Ditzen

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

Yujun Lian

XTBCFE: Stata module to perform bootstrap-corrected Fixed Effects estimation and inference in dynamic panel models

Ignace De Vos, Ilse Ruyssen and Gerdie Everaert

XTBREAK: Stata module for detecting and dating multiple structural breaks in time series and panel data

Jan Ditzen, Yiannis Karavias and Joakim Westerlund