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项目介绍
史上最全的 Stata 外部命令一览，可以在线查看帮助文件。
Source: Archive of user-written Stata packages
导言
这里汇集了截至 2015年1月1日 为止的所有 Stata 外部命令。可以在线查看每个外部命令的帮助文件。
对于感兴趣的命令，可以使用 findit在 Stata 命令窗口中搜索后下载，亦可直接使用ssc install命令直接下载。浏览最近一个月发布的新命令，请点击 - Stata最近一月外部命令 - 按 a-z 顺序浏览所有外部命令，请点击 Statistical Software Components - SSC
SSC - Stata 外部命令列表
连享会 lianxh.cn 2020/5/18
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a2reg module to estimate models with two fixed effects aaniv module to compute unbiased IV regression aaplot module for scatter plot with linear and/or quadratic fit, automatically annotated abar module to perform Arellano-Bond test for autocorrelation abg module to implement the Alpha-Beta-Gamma Method of Distributional Analysis aboutregmodule providing tutorial on regression diagnosticsabsdid module to estimate treatment effect with Abadie semiparametric DID estimator acelong module to fit multilevel mixed-effects ACE, AE and ADE variance decomposition models acplot module to plot the autocorrelogram actest module to perform Cumby-Huizinga general test for autocorrelation in time series addbefore module to add number or character before a variable addinby module to add in data from a disk dataset using a foreign key addnotes program to add notes to the end of text files addplot module to add twoway plot objects to an existing twoway graph addtex module to display text on a graph addtxt module to add text to graphs adecomp module to estimate Shapley Decomposition by Components of a Welfare Measure adfmaxur module to calculate Leybourne (1995) ADFmax unit root test statistic along with 1, 5 and 10% finite-sample critical values and associated p-values adftest module to perform ADF and Breusch-Godfrey tests adjacent module to list adjacent values of variables "- adjksm module to perform adjusted ""ksm"" for robust scatterplot smoothing" adjmean module to calculate variables' means adjusted for covariates adjprop module to calculate adjusted probabilities from logistic regression estimates adjust module (corrected) to compute adjusted predictions and probabilities after estimation admetan module to provide comprehensive meta-analysis adodev module to reorder ado-path for developers and other independent-minded users adoedit module to edit ado file in Stata's do-file editor adolist module to manage lists of ado packages adostore module to store and restore the current ado-path adotype module to type ado file aedot module to produce dot plot for adverse event data aefdr module to perform false discovery rate p-value adjustment for adverse event data aevolcano module to produce volcano plot for adverse event data aextlogit module to compute average elasticities for fixed effects logit affiliationexposure module to compute an affiliation exposure model using two-mode actor(row)-by-event(column) network data aformatmodule to condense the display format of a variableaggind module to aggregate indicators among units within a specified radius "- agrm module to calculate van der Eijk's measure of agreement ""A""" ainequal module to compute measures of inequality airnet module to create networks from airline traffic data akdensity module to perform adaptive kernel density estimation albatross module to create albatross plots alignedpairs module to perform the aligned ranks test for matched pairs (Hodges-Lehmann) alignedranks module to perform a two-sample aligned rank-sum (Hodges-Lehmann) test with exact statistics for small samples alignedsets module to perform aligned ranks test for matched sets (Hodges-Lehmann) alignmicro module to perform alignment in microsimulation allcross modules to create variables corresponding to moment matrices allpossible module to fit all possible models with subsets of predictors allsubsets module to perform all subsets (combinatorial) meta-analysis in a set of studies almon Module to Estimate Shirley Almon Generalized Polynomial Distributed Lag Model almon1 module to estimate Shirley Almon Polynomial Distributed Lag Model alogit module to estimate (In)attentive logit regression from Abaluck and Adams alorenz module to produce Pen's Parade, Lorenz and Generalised Lorenz curve alphawgt module to compute Cronbach's alpha for weighted data alsmle module to perform Beach-Mackinnon AR(1) Autoregressive Maximum Likelihood Estimation amcmcmodule to provide Mata functions and structures for adaptive Markov chain Monte Carlo samplinganketest module to perform diagnostic tests for spatial autocorrelation in the residuals of OLS, SAR, IV, and IV-SAR models anogi module to generate Analysis of Gini anovaplot module for plots of anova fit, including interaction plots anymatch module to perform distance matching based on any metric anythingtodate module to convert all types of date variables to Stata date variables apcmodule for estimating age-period-cohort effectsapcd module for estimating age-period-cohort effects with detrended coefficients apcgo module to calculate age-period-cohort effects for the gap between two groups (based on a Blinder-Oaxaca decomposition), including trends for each parameter apch module for estimating age-period-cohort and hysteresis effects apoverty module to compute poverty measures appendfile module to append text files archlm module to calculate LM test for ARCH effects archqq module to generate Q-Q plot and distribution tests for ARCH models ardl module to perform autoregressive distributed lag model estimation arimafit module to calculate AIC, SIC for ARIMA model armadiag module to compute post-estimation residual diagnostics for time series armaroots module to compute roots of AR- and MA-polynomials arraypackage to support arrays of variablesarrowplot module to produce combined plot for graphing inter-group and intra-group trends artmodule for complex sample size calculation in randomized trialsascii module to display the ASCII character set asciiplot module to generate ASCII character map ascol module to convert frequency of stock returns or stock prices asdoc module to create high-quality tables in MS Word from Stata output asgen module to generates weighted average mean using an existing variable as weight ashell module to capture output from OS shell command asl_norm module computing bootstrap Gaussianity tests asreg module to estimate rolling window regressions. Fama-MacBeth and by(group) regressions asrol module to generate rolling window / groups descriptive statistics assertky module to assert unique dataset keys astile module to provide a faster and byable alternative for xtile astx module to create a table of descriptive statistics and t-statistics by a grouping variable atkplotmodule to generate Atkinson residual normality plotsautofmt module to automatically format a significant number of digits autolog module to generate dialog to create log files autorename module to automatically rename variables autosum module to produce automatic generation of a comparison table avar module to perform asymptotic covariance estimation for iid and non-iid data robust to heteroskedasticity, autocorrelation, 1- and 2-way clustering, and common cross-panel autocorrelated disturbances avciplot module to produce added-variable plot with confidence intervals avg_effect module to calculate mean (standardized) effect size across multiple outcomes avicplotmodule to produce added-variable plot with confidence intervalsavplot2 modules for added variable plots avplot3 module to generate partial regression plots for subsamples avplots4 module to graph added-variable plots for specified regressors in a single image
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b1x2 module to account for changes when X2 is added to a base model with X1 babibplot module to plot two graph types which are rooted in Bland-Altman plots using journal and paper percentiles backrasch module to implement a backward procedure with a Rasch model backup module to make daily backup of important files (Windows only) bacondecomp module to perform a Bacon decomposition of difference-in-differences estimation balancetable module to build a balance table and print it in a LaTeX file or an Excel file bandplot module to plot summary statistics of responses for bands of predictors baplot module to produce Bland-Altman plots barplot module to plot varlist against xvar barplot2 module to produce bar plot with optional error bars basetable module to compare a set of risk factors or effects with respect to a categorical variable batcher module to parallelise tasks batplot module to produce Bland-Altman plots accounting for trend bayerhanck module to compute test for non-cointegration bayesmixedlogit module to perform Bayesian estimation of mixed logit models bayesmixedlogitwtp module for Bayesian estimation of mixed logit model in willingness-to-pay (WTP) space bayesmlogit module to perform Bayesian estimation of mixed logit models bcii module to to estimate the number needed to treat (NNT) and confidence intervals for patients improving, or ‘benefiting’ (either improvements gained or deteriorations prevented), in a randomised controlled trial bcoeff module to save regression coefficients to new variable bcoeffs module to save regression coefficients to new variable bcss module to create graphs to show how baseline data (prospective or retrospective) affect sample size for a cluster randomised trial bcstats module to analyze back check (field audit) data and compare it to the original survey data bctobit module to produce a test of the tobit specification bcuse module to access instructional datasets on Boston College server bdiff module to compute Bootstrap and Permutation tests for difference in coefficients between two groups beamplot module to draw horizontal dotplots using beams benford module to test Benford's Law on a variable betacoef module to calculate beta coefficients from regression betafit module to fit a two-parameter beta distribution betaprior module to calculate the parameters of a Beta distribution given the mean and variance betterbar module to produce bar graphs with optional standard error bars and cross-group comparisons bfmcorr module for correcting surveys using tax data bgshade module to add background shading to twoway plots using either dummy variable(s) denoting shaded areas and/or precoded NBER recessions bgtest module to calculate Breusch-Godfrey test for serial correlation bhatt module to compute Bhattacharyya Coefficient and Bhattacharyya Distance statistics of distribution overlap biasepi module to perform simple bias analysis, multidimensional bias analysis, and multiple bias modeling bibrep module to produce a bibliometric report on a single senior researcher bic module to evaluate the statistical significance of variables in a model bicdrop1 module to estimate the probability a model is more likely without each explanatory variable bidensity module to produce and graph bivariate density estimates bihist module to produce bihistograms bineq module to analyze multidimensional inequality in two dimensions of wellbeing binscatter module to generate binned scatterplots bioprobit module for bivariate ordered probit regression biplot module to generate biplots biplotvlab module to produce biplot with variable labels bipolate module to perform bivariate interpolation and smooth surface fitting for values given at irregularly distributed points birthsim module to simulate completed fertility and birth intervals bitobit module to perform bivariate Tobit regression bking module to implement Baxter-King filter for timeseries data bkrosenblatt module for Blum, Kiefer and Rosenblatt test of bivariate independence blinding module to compute blinding indexes blindschemes module to provide graph schemes sensitive to color vision deficiency blist module to list values of variables in as small a space as possible blogit2module to produce grouped data logit with support for inblp module to estimate Berry Levinsohn Pakes random coefficients logit estimator bmemodule to compute Bounded midpoint estimatorbmi module to compute Body Mass Index bmjcip module to format confidence intervals and P-values for medical journals bmp2dta module to convert bitmap files to Stata datasets bnormpdf module to calculate the bivariate normal density boost module to perform boosted regression boottest module to provide fast execution of the wild bootstrap with null imposed boxpanel module to produce box plots for panel data boxtid module to fit Box-Tidwell and exponential regression models bpagan module to perform Breusch-Pagan test for heteroskedasticity bpass module to compute band pass filter for time series data bpmedian module to compute Bonett-Price confidence intervals for medians and their contrasts brain module to provide neural network brewscheme module for generating customized graph scheme files brglm module to perform bias-reduced estimation of binary response models brmunid module to standardize geocodes for Brazilian municipalities bronch module to describe bronchiolitis severity bsens module to compute Sensitivity metric using McNemar's test bsopm module to compute Black-Scholes European Option Pricing Model bspline modules to compute B-splines parameterized by their values at reference points btobitmodule to produce a test of the tobit specificationbuckley module to implement Buckley-James method for analysing censored data bugsdat module to convert a Stata datafile into the S-plus format used in Winbugs bugwrite module to write data from Stata into a format compatible with WinBUGS bundle module to bundle image files in a web page using base64 encoding butterworth module to implement Butterworth square-wave highpass filter for timeseries data byhist module to produce interlaced histograms bynote module to Create a note with a user-specified format for use with the by option bys module to automatically sort on the bylist (version 5) bystore module to repeat estimation commands and store estimates byvar module to repeat a command by variable
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cal module to generate calendar calibest module to estimate proportions and means after survey data have been calibrated to population totals calibrmodule for inverse regression and calibrationcalibrate module to calibrate survey datasets to population totals calinski module to compute Calinski-Harabasz cluster stopping index from distance matrix calipmatch module for caliper matching without replacement callsado module to find (user-written) ado-files called by (a)do-file canonmodule (corrected) to compute canonical correlationscapass module to wrap Stata's assert command, throws error messages carryforward module to carry forward previous observations cart module to perform Classification And Regression Tree analysis casefat module for estimating the case fatality ratio of a new infectious disease catdevmodules for interpretation of categorical dependent variable modelscatenate module to concatenate variables into string variable caterpillar module to generate confidence intervals, Bonferroni-corrected confidence intervals, and null distribution catgraph module to plotting means of a variable by category catplot module for plots of frequencies, fractions or percents of categorical data cb2html module to write a codebook to an HTML file cbarplot module for centred bar plots of absolute or relative frequencies ccmatch module to match cases and controls using specified variables ccmpre module to compute PRE Measures for Cultural Consensus Models cctable module to calculate summary table for case-control study ccweight module to generate inverse sampling probability weights cddens module to estimate a Density under Measurement Error using Auxiliary Information cdfplot module to plot a cumulative distribution function cdfquantreg module for estimating generalized linear models for doubly-bounded random variables with cdf-quantile distributions cdo module to get an update when the dofile stalls cdout module to display the current working directory cdreg module to estimate Linear Regression under Measurement Error using Auxiliary Information cedesign module to find the optimal flexible two stage single-arm binary outcome design cem module to perform Coarsened Exact Matching cenpois module to estimate censored maximum likelihood Poisson regression models censornb module to estimate censored negative binomial regression as survival model censusapi module to download Census data through the Census API centcalc module to calculate distribution-based centiles center module to center (or standardize) variables centpow module to calculate centrality and power indices for each node in a network. centroid module to calculate centroids cepois module to estimate censored maximum likelihood Poisson regression models ceq module to carry out Commitment to Equity (CEQ) fiscal incidence analysis cf2 module to compare two datasets cf3 module to compare two datasets cfby module to compare datasets and produce discrepancy rates cfitzrw module to implement Christiano-Fitzgerald Random Walk band pass filter for timeseries data cflpois module to calculate confidence limits for rates based on Poisson outcome cfout module to compare two datasets, saving a list of differences cfvars module to compare variable name lists in two data sets cgroup module to group contiguous observations with identical values of a varlist chaid module to conduct chi-square automated interaction detection chaidforest module to conduct random forest ensemble classification based on chi-square automated interaction detection (CHAID) as base learner changemean module to compute Income and Inequality Contribution on Poverty Variation chaos module to iterate a logistic difference equation chardef module to assign values to a characteristic of a list of variables charlist module to list characters present in string variable charlson module to calculate Charlson index of comorbidity charon module to redistribute deaths by ill-defined causes and garbage codes chartab module to tabulate character frequency counts charutilmodule of utilities for working with characteristicscheckfor2 module to check whether a variable exists or not in a dataset checkipaddresses module to detect Fraud in Online Surveys by Tracing and Scoring IP Addresses checkreg3 module to check identification status of simultaneous equations system checkrob module to perform robustness check of alternative specifications checkvar module to check the values of a created variable chewfile module to chew and digest ASCII file down to size china_mapmodule to provide map of China's provinceschina_spatdwmmodule to provide spatial distance matrices for Chinese provinces and citieschinafin module to retrieve Chinese listed firms' financial data chinagcode module to geocode Chinese addresses chiplot module to produce graphical assessment plot for dependence chm module to copy hard missings choi_lr_test module to perform Choi's likelihood ratio test chowreg module to compute Structural Change Regressions and Chow Test chunky module to chunk a large text file into smaller parts chunky8 module to chunk a large text file into smaller parts (version 8) ci2 module to compute confidence intervals for correlations ci_marg_mu module to produce simulation-based confidence intervals after gllapred cibar module to plot bar graphs and confidence intervals over groups cibplot module for bar-on-bar plots of confidence intervals cic module to implement the Athey and Imbens (2006) Changes-in-Changes model cid module to calculate confidence intervals for means or differences ciform module to format confidence interval for tables in documents cifunction module for computing and graphically displaying all possible confidence intervals around a point estimate cihplot module to show horizontally labelled plots showing confidence intervals cij module for binomial confidence intervals for proportions using Jeffreys prior ciplot module for plots of confidence intervals cipolate module for cubic interpolation circstatmodules to calculate circular statisticscircular module for circular statistics cisd module to compute confidence intervals for standard deviations cistat module to produce confidence intervals in matrix form civplot module to plot confidence intervals vertically ciw module for binomial confidence intervals for proportions using Wilson scores ciwidth_proportions_mc module to calculate precision and power for a CI-based comparison of two independent proportions (RD, RR, or OR) ckvar module to allow error checking routines to easily be defined and attached directly to variables classplot module to plot predicted probability and empirical values after a binary response model classtabi module for generating classification statistics and table using summarized data clean_class module to clean classroom variables clean_fnamemodule to clean firstname variablesclean_lnamemodule to clean lastname variablesclean_name module to clean name variables cleanchars module to replace specific characters or strings in variable names and/or variable labels and/or string variable values and/or value label names and levels with stated characters/strings (using 1-1 or m-1 match) cleanlog module to clean log files clemao_iomodule to perform unit root tests with one or two structural breaksclogithet module to estimate heteroscedastic conditional logit model clorenz module to estimate Lorenz and concentration curves clrbound module to perform estimation and inference on intersection bounds clstop_lbt module to add stopping rule in cluster analysis cltestmodules for performing cluster-adjusted chi-square and t-testsclump module to compute permutation test approach to assessing genetic associations with case/control status cluster module to perform nonhierarchical k-means (or k-medoids) cluster analysis cluster2 module to perform power analysis for two-level cluster randomized trials cluster3 module to perform power analysis for up to three-level cluster randomized trial clusterbs module to perform a pairs symmetric cluster bootstrap-t procedure clustergram module to produce graph for visualizing hierarchical and non-hierarchical cluster analyses clustpop module to estimate population cluster group assignments clustse module to estimate the statistical significance of parameters when the data is clustered with a small number of clusters clustsens module to perform sensitivity analysis for cluster commands clv module to implement a clustering of variables around latent components cm2in module to provide conversion between inch/cm and others cmatch module to tabulate matched pairs in 1:1 case control study by exposure status cmaxuse module to access Cmax instructional datasets cme program to estimate generalized linear models with covariate measurement error cmitestmodule to implement testing and inference methods for conditional moment inequalities/equalities modelscmogram module to plot histogram-style conditional mean or median graphs cmp module to implement conditional (recursive) mixed process estimator cnar module to retrieve Chinese listed firms' financial data cnbreg module to estimate negative binomial regression - canonical parameterization cndnmb3module to calculate condition number of regressor matrixcngcode module to geocode Chinese addresses cnindex module to download historical stock quotations from Chinese market cnintraday module to Download intraday stock quotations for a list of stock codes in a given date from SinaFinance cnmapsearch module to extract the specified information by keyword in a certain geographic range cnormp module to evaluate censored normal distribution cns module to compute Consensus Measure for Ordinal Scales cnsrsig module to evaluate validity of restrictions on a regression cnstock module to download stock names and codes for Chinese listed companies cntop10 module to download information of top 10 shareholders for a list of stock codes from HeXun cntrade module to retrieve Chinese stock market quotations from NetEase cntraveltime module to extract the time needed for traveling between two locations from Baidu Map cochran module to test for equality of proportions in matched samples (Cochran's Q) codci module to calculate Bonett-Seier's Confidence Interval for the COD codebook2 module to produce a codebook describing a data file codebook_ripper module to convert metadata managed in a spreadsheet into do files with renaming, notes as well as variable and value labelling codebookout module to save codebook in MS excel format coefplot module to plot regression coefficients and other results cohend module to compute Cohen's d coldiag module to perform BWK regression collinearity diagnostics coldiag2 module to evaluate collinearity in linear regression colelms module to calculate Cole's LMS values for growth data collapse2 module to extend the collapse command collapseunique module to reduce data to unique observations based on specified key variables colorscatter module to draw scatter plots with marker colors varying by a third variable. colrspace module providing a class-based color management system in Mata combinatorics module to evaluate the performance of all possible 2^n models generated with a given set of n possible explanatory variables combine module to combine n, mean, and SD from two groups according to the Cochrane-recommended formula for meta-analyses combineplot module to combine similar univariate or bivariate plots for different variables combival module to combine levels of a categorical variable over observation groups combomarginsplot module to combine the saved results from multiple calls to margins into one marginsplot complexity module to compute complexity indexes from comparative advantage tables complogit module to compare logit coefficients across groups comtrade module to download trade data from UN Comtrade using jsonio and parse the output in a user friendly format concindc module to calculate concentration index with both individual and grouped data concindexmodule to calculate measures of the concentration indexconcord module for concordance correlation concordance module to harmonize classification codes conddens module to estimate a conditional density to correct for measurement error and missing values condisc module to perform convergent and discriminant validity assessment in CFA confa module to perform confirmatory factor analysis modeling confall module to plot and display estimates to assess confounding confirmdir module to confirm if a directory exists confnd module to plot and display estimates to assess confounding confsvy module to assess confounding effects in survey studies conindex module to perform estimation of concentration indices contour module to draw contour plots contrast module to calculate contrasts between factor levels convert_top_lines module to handle leading lines of text file copycode module to produce modular self-written ado files copydesc module to copy description of variable coranal module to perform simple correspondence analysis corr2docx module to report Pearson & Spearman correlation coefficients to formatted table in DOCX file corr_svy module to compute correlation tables for survey data corrtab module to display correlation coefficients in a formatted tabular output corrtable module to show correlation matrix as graphical table corrtex module to generate correlation tables formatted in LaTeX corsp module to display combined Pearson and Spearman correlation matrix cortesti module to test equality of two correlation coefficients cospectdens module to compute cross spectra couliari module to implement Corbae-Ouliaris frequency domain filter to time series data countmatch module to count matching values for one variable in another covbal module for producing covariate balance statistics cpcorr module for correlations for each row vs each column variable cpigen module to add US CPI series to current dataset cpiget module to construct an annual CPI series based on a user-specified fiscal-year time span cpoisson module to estimate censored Poisson regression cpoissone module to estimate censored Poisson regression (econometric parameterization) cpr module producing results for all possible combinations of arguments cprdcribs module providing template do-files for inputting CPRD datasets into Stata cprdenttype module to convert CPRD entity string data of any enttype to numeric cprdentutil module to convert CPRD entity data variables to numeric variables cprdhesaeutil module to input CPRD HES A&E linkage datasets into Stata cprdhesoputil module to input CPRD HES/OP linkage datasets into Stata cprdhesutil module for inputting HES-linkage datasets into Stata cprdlinkutil module for inputting CPRD linkage-source datasets into Stata cprdlsoautil module to input CPRD LSOA-linkage datasets into Stata cprdonsutil module to input CPRD ONS-linkage datasets into Stata cprdutil module for inputting CPRD datasets into Stata cpredict module to produce conditional predictions cprplot2 module to graph component-plus-residual plots for transformed regressors cprplots module to graph (augmented) component-plus-residual plots in a single image cpyxplot module to produce scatter plots for each y vs each x variable cqiv module to perform censored quantile instrumental variables regression cquadmodule to perform conditional maximum likelihood estimation of quadratic exponential modelscquantile module to generate corresponding quantiles crater module to calculate computer scorer vs. human rater agreement statistics creplace module to exchange values cyclically between variables crm module to implement the continual reassessment model crossfold module to perform k-fold cross-validation crossplot module for scatter (or other twoway) plots for each y vs each x variable crtest module to perform Cramer-Ridder Test for pooling states in a Multinomial logit crtrees module to compute Classification and Regression Trees algorithms csipolate module to perform cubic spline interpolation csjl module to extend cs command for exposures with more than two categories cstable module to calculate summary table for cohort study csti module that modifies csi command in order to use total numbers rather than individual cell counts csvconvert module to append multiple csv files cta module for conducting Classification Tree Analysis ctabstat module to display table of summary statistics ctreatreg module for estimating dose-response models under exogenous and endogenous treatment cub module to estimate ordinal outcome model estimated by a mixture of a uniform and a shifted binomial cuentacot module for Contributions Counting cureregr module to estimate parametric cure regression cureregr8 module to estimate parametric cure regression (version 8.2) curvefit module to produces curve estimation regression statistics and related plots between two variables for alternative curve estimation regression models cusum6 module to compute cusum, cusum^2 stability tests cutpt module for empirical estimation of cutpoint for a diagnostic test cv module to compute coefficient of variation after regress cv2 module to calculate the coefficient of variation for variables cv_regress module to estimate the leave-one-out error for linear regression models cvauroc module to compute Cross-validated Area Under the Curve for ROC Analysis after Predictive Modelling for Binary Outcomes cvcrand module for efficient design and analysis of Cluster Randomized Trials cvxhull module to compute and plot convex hulls of bivariate data cycleplot module for cycle plot (month plot or seasonal subseries plot)
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d3network module to create network visualizations using D3.js to view in browser dag module to provide utilities for directed acyclic graphs dagfit module to fit a Generalized Beta (Type 2) distribution to grouped data via ML dagumfit module to fit a Dagum distribution by maximum likelihood dash module to score Disabilities of the Arm, Shoulder and Hand dashgph module to construct dashed lines in scatterplots dashln module to add dashed lines to graphs datacheck module to perform data checks and produce informative output dataex module to generate a properly formatted data example for Statalist dataframemodule to store/restore multiple Stata datasets to/from memorydatanet module to facilitate dataset organization for network analysis purposes dataout module to export a dataset or tab-delimited file into various formats dataplink module to import data from plink datelist module to to create ascending numeric lists of dates datesum module to display summary statistics for date variables datmat module to multiply variables via matrix multiplication dbmscopybatch module to produce a batch file for DBMS/Copy dbnomics module for DB.nomics, the world's economic database dcreate module to create efficient designs for discrete choice experiments ddf2dct module to facilitate infiling US Government data distributed with a DDF deci module to perform Variable Base conversion decomp module to compute decompositions of earnings gaps decompose module to compute decompositions of wage differentials delta module to compute the Delta index of scale discrimination demotivate module to remind users of the harsh reality of econometric & statistical practice denton module to interpolate a flow or stock series from low-frequency totals via proportional Denton method dep4asm module to create [in]dependent variable for alternative-specific models depthplot module to plot one or more variables with depth as vertical axis des2 module to describe current dataset with clickable output descgen module to add Stata dataset attribute variables to a xdir resultsset desclong module to create and save a dataset holding variable information while including long variable labels descogini module to perform Gini decomposition by income source descsave module to export data set and machine-readable codebook designplot module to produce a graphical summary of response given one or more factors desmamodule to design and simulate (adaptive) multi-arm clinical trialsdesmat module to generate interactions and contrasts detect module to compute the DETECT, Iss and R indexes to test a partition of items devcon module to apply the deviation contrast transform to estimation results devnplot module for deviation plots devr2 module to compute Cameron and Windmeijer's deviance based R-squared measure dfao module to perform Dickey-Fuller unit root test in the presence of additive outliers dfgls module to compute Dickey-Fuller/GLS unit root test dfl module to estimate DiNardo, Fortin and Lemieux Counterfactual Kernel Density dfsummary module to compute the (Augmented) Dickey-Fuller unit-root test and reports a summary table for different lags dftol module to compute distribution-free tolerance intervals diagram module to analyze executed ado programs and produce a dynamic profile diagram diagreg module to compute Model Selection Diagnostic Criteria diagreg2 module to compute 2SLS-IV ModeL Selection Diagnostic Criteria diagt module to report summary statistics for diagnostic tests compared to true disease status diagtest module to report summary statistics for diagnostic test did_multiplegt module to estimate sharp Difference-in-Difference designs with multiple groups and periods didq module to compute treatment effects under alternative Parallel-q assumptions difd module to evaluate test items for differential item functioning (DIF) difdetect module to detect and adjust for differential item functioning (DIF) diff module to perform Differences in Differences estimation diffpi module to calculate difference expressed as a percentage difwithpar module for detection of and adjustment for differential item functioning (DIF) digdis module to analyze the distribution of digits digitsmodule to examine digit preferences in numeric variablesdiplot module to draw double interval plot diptest module to compute dip statistic to test for unimodality directma module to conducts multiple pair-wise meta-analysis (head-to-head comparisons) and export the pooled results to Excel dirifit module to fit a Dirichlet distribution dirlist module to retrieve directory information dirtools modules to manage files in the working directory discrepancy module to implement a pseudo-ANOVA method for partitions of pairwise distance matrices disjoint module to generate end variable demarcating disjoint spells dissim module to calculate dissimilarity index distan module to generate similarity measures distinct module to display distinct values of variables distmatch module to perform distance matching based on latitudes and longitudes distplot module to generate distribution function plot distrate module to compute direct standardized rates with improved confidence interval divcat module to calculate five measures of diversity for multiple categories dlagif Module to Estimate Irving Fisher Arithmetic Distributed Lag Model dldqmodule to compute treatment effects under alternative Parallel-q assumptionsdlist module to list with variable labels dlogit2modules to compute marginal effects for logit, probit, and mlogitdmariano module to calculate Diebold-Mariano comparison of forecast accuracy dmerge module to merge datasets using a modification of Stata's merge dmexogxt module to test consistency of OLS vs XT-IV estimates dmout module to create difference-in-means tables do2screen module to display do-files in result window dolog modules to execute commands from a file with logging dologx modules to execute commands from a file with logging domdiag module to construct dominance diagrams domin module to conduct dominance analysis domme module to conduct dominance analysis with multiple equation models doparser module to look for dta-files used in do-files doseresponse module to estimate dose-response function through adjustment for the generalized propensity score doseresponse2 module to estimate generalized propensity score dotemplate module to creates templates for do-files dotex module to generate TeX log from do-file doub2flt module to change storage type of real variable doubleb module to compute Contingent Valuation using Double-Bounded Dichotomous Choice doubletofloat module to recast variables from double to float storage type doubmass module to draw double mass plot dpplot module for density probability plots dpredict module to produce dynamic forecasts for ARIMA(p,s,q) models dqd module to compute treatment effects under alternative Parallel-q assumptions drarea module to overlap two range area plots drcate module to estimate and plot conditional average treatment effect functions with uniform confidence bands using a doubly robust method drdecomp module to estimate Shapley value of growth and distribution components of changes in poverty indicators drm module to fit Sobel's Diagonal Reference Model (DRM) drmeta module for dose-response meta-analysis drmmws module to perform doubly-robust marginal mean weighting through stratification ds2 v6 module to describe variables in memory ds3 module to describe variables in memory ds5 module to describe variables in memory dsconcat module to concatenate a list of Stata data files into memory dsearch module to find variables with given variable label dseg module to compute decomposable multigroup segregation indexes dsginideco module to compute decomposition of inequality change into pro-poor growth and mobility components dsweight module to generate direct standardization weights dta2ddi module to convert Stata data to DDI standards dta2html module to generate HTML code to display a Stata dataset on the web dta2kml module to output a KML file from selected datapoints in a Stata dataset dta2md module to convert Stata system file to metadata dta2sav module to export in SPSS format dtalink module to implement probabilistic record linkage dtanotes module to add metadata as dataset notes dtapaper module to create an HTML datapaper dtastamp module to store current date and time in dataset characteristics dthaz module to compute discrete-time hazard and survival probability estimates dtobit2 module to estimate a tobit model with marginal effects at observed censoring rate dudahart module to calculate and graph Duda-Hart cluster stopping indices from distance matrix dummies function to create families of dummy variables dummies2 module to create indicator variables from categorical variable and vice versa dummieslab module to convert categorical variable to dummy variables using label names duncan module to calculate dissimilarity index dups module to identify and optionally remove duplicate observations durbinh module to calculate Durbin's h test for serial correlation dyadid module to perform Dyad ID matching dyads module to transform observations into dyads dynardl module to dynamically simulate autoregressive distributed lag (ARDL) models dynpandoc module creating dynamic documents using dynamic tags and pandoc dynsimpie module to examine dynamic compositional dependent variables dynsimplemodule to examine dynamic compositional dependent variables
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