Stata新命令快讯：有向无环图、模糊倍分法等

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编者按： 定期递送 SSC 网站上发布的最新命令，对于我们认为重要的命令进行标注。 对于您感兴趣的命令，可以直接在 Stata 命令窗口中输入 ssc install 命令名称, replace 进行下载。下载完成后执行 help 命令名称 即可查看帮助文件和详细使用说明。

关键命令

• help ivqreg2 // structural quantile functions || 结构分位数回归
• help fuzzydid // 模糊倍分法
• help tvdiff // 时变倍分法
• help balancetable //||组间均值差异检验
• help dag //directed acyclic graphs (DAG) || 有向无环图
• help rdpermute // 断点回归 (RDD) 和拐点回归 (RKD) 的组合检验
• help gtools //  快速计算分组统计量

SSC Stata modules

created or revised 2018-11-21 to 2018-12-21

DYNARDL module to dynamically simulate autoregressive distributed lag (ARDL) models Authors: Soren Jordan Andrew Q. Philips Req: Stata version 8 Created: 2018-12-10

IVQREG2 module to provide structural quantile function estimation || 分位数回归 Authors: J.A.F. Machado J.M.C. Santos Silva Req: Stata version 14 Created: 2018-12-09

NICEWORDS module to pay compliments Authors: Joe Long Req: Stata version 12 Created: 2018-12-09

PMSAMPSIZE module to calculate the minimum sample size required for developing a multivariable prediction model Authors: Joie Ensor Req: Stata version 12.1 Created: 2018-12-04

CDO module to get an update when the dofile stalls Authors: Jesse Wursten Req: Stata version 8 Revised: 2018-12-10

BFMCORR module for correcting surveys using tax data Authors: Thomas Blanchet Ignacio Flores Marc Morgan Req: Stata version 11 Created: 2018-12-04

BRAIN module to provide neural network || 神经网络 Authors: Thorsten Doherr Req: Stata version 9 Created: 2018-11-26

MOTIVATE module providing motivation to users Authors: Kabira Namit Req: Stata version 10 Revised: 2018-11-26

SVMACHINES module providing Support Vector Machines for both Classification and Regression || 支持向量机 Authors: Nick Guenther Matthias Schonlau Req: Stata version 13 Revised: 2018-11-22

ADMETAN module to provide comprehensive meta-analysis Authors: David Fisher Req: Stata version 11 Revised: 2018-12-04

PRTAB module to compute Precision-recall curves Authors: Jonathan Cook Req: Stata version 11 Revised: 2018-12-04

FUZZYDID module to estimate Fuzzy Difference-in-Difference Designs || 模糊倍分法 Authors: Cl茅ment de Chaisemartin Xavier D'Haultfoeuille Yannick Guyonvarch Req: Stata version 13.1 Revised: 2018-11-26

RDPERMUTE module to perform a permutation test for the Regression Kink (RK) and Regression Discontinuity (RD) Design || 断点回归和拐点回归的组合检验 Authors: Simon J盲ger Peter Ganong Req: Stata version 13, rdrobust and rd from SSC (q.v.) Revised: 2018-12-09

GTOOLS module to provide a fast implementation of common group commands || 快速分组计算 Authors: Mauricio Caceres Bravo Req: Stata version 13.1 Revised: 2018-12-09

DRM module to fit Sobel's Diagonal Reference Model (DRM) Authors: Caspar Kaiser Req: Stata version 12 Revised: 2018-11-23

CV_REGRESS module to estimate the leave-one-out error for linear regression models Authors: Fernando Rios-Avila Req: Stata version 7 Revised: 2018-11-23

DAG module to provide utilities for directed acyclic graphs || 有向无环图 Authors: Chunsen Wu Req: Stata version 13.1 Revised: 2018-12-04

FUNNELPERFORM module to produce funnel plot for institutional comparison || 漏斗图 Authors: Brent McSharry Req: Stata version 9.1 Revised: 2018-14-18

BALANCETABLE module to build a balance table and print it in a LaTeX file or an Excel file || 组间均值差异检验 Authors: Mattia Chiapello Req: Stata version 14 and listtab from SSC (q.v.) Revised: 2018-11-23

TVDIFF module to compute pre- and post-treatment estimation of the Average Treatment Effect (ATE) with binary time-varying treatment || 时变倍分法 Authors: Giovanni Cerulli Marco Ventura Req: Stata version 14 and coefplot from SSC (q.v.) Revised: 2018-11-23

WID module to download data from the World Wealth and Income Database (WID.world) Authors: Thomas Blanchet Req: Stata version 13 Revised: 2018-12-04

ENTROPYETC module for entropy and related measures for categories Authors: Nicholas J. Cox Req: Stata version 11.2 Revised: 2018-11-23

PPML_PANEL_SG module to estimate "structural gravity" models via Poisson PML Authors: Tom Zylkin Req: Stata version 11.2, hdfe and reghdfe from SSC (q.v.) Revised: 2018-12-04

TIMEIT module to provide single line version of timer on/off Authors: Jesse Wursten Req: Stata version 10 Revised: 2018-12-04

CPRDLINKUTIL module for inputting CPRD linkage-source datasets into Stata Authors: Roger Newson Req: Stata version 13 and keyby, chardef from SSC (q.v.) Revised: 2018-12-10

ASROL module to generate rolling window / groups descriptive statistics || 滚动窗口统计量 Authors: Attaullah Shah Req: Stata version 11 Revised: 2018-12-10

STRCS module to estimate flexible parametric survival models on the log hazard scale || 生存分析 Authors: Hannah Bower Michael J. Crowther Paul Lambert Req: Stata version 13.1 Revised: 2018-12-04

MIMRGNS module to run margins after mi estimate Authors: Daniel Klein Req: Stata version 11.2 Revised: 2018-12-04

IPDMETAN module for performing two-stage IPD meta-analysis Authors: David Fisher Req: Stata version 11 Revised: 2018-12-04

SPPACK module for cross-section spatial-autoregressive models || 截面空间自回归模型 Authors: David M. Drukker Hua Peng Ingmar Prucha Rafal Raciborski Req: Stata version 11.2 Revised: 2018-12-04

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