Statistical Software Components
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- LONGSHAPE: Stata module to reshape long (limited alternative version)

- Nicholas Cox
- LOOCLASS: Stata module for generating classification statistics of Leave-One-Out cross-validation for binary outcomes

- Ariel Linden
- LOOCV: Stata module to perform Leave-One-Out Cross-Validation

- Manuel Barron
- LOOKFOR2: Stata module to search for string in variable names, variable labels, value labels, and notes

- Maarten Buis
- LOOKFOR_ALL: Stata module to search for variables/patterns in.dta files

- Michael Lokshin, Zurab Sajaia and Dan Blanchette
- LOOKFOR_VAL: Stata module to search the current dataset for values that match a specified pattern

- Daniel Klein
- LOOKFORIT: Stata module to search variable names and labels for some string or strings

- Dan Blanchette
- LORENZ: Stata module to estimate and display Lorenz curves and concentration curves

- Ben Jann
- LOWESS: RATS program to demonstrate use of LOWESS non-parametric fit

- Tom Doan
- LOWYSEATTLE: Stata module for managing settings and recompiling

- Elliott Lowy
- LOWYSEATTLEA: Stata module for tables, statistics, data management, output

- Elliott Lowy
- LOWYSEATTLEB: Stata module for creating, transforming, labeling, variables

- Elliott Lowy
- LPDENSITY: Stata module to perform Local Polynomial Density Estimation and Inference

- Matias Cattaneo, Michael Jansson and Xinwei Ma
- LPDID: Stata module implementing Local Projections Difference-in-Differences (LP-DiD) estimator

- Alexander Busch and Daniele Girardi
- LPPINV: Stata module providing Linear Programming via Regularized Least Squares (LPPinv) is a modular two-step estimator for solving underdetermined, ill-posed, or structurally constrained linear and quadratic programming problems using least-squares and convex optimization

- Ilya Bolotov
- LPPINVL2: Stata module providing Linear Programming via Regularized Least Squares (LPPinv) is a modular two-step estimator for solving underdetermined, ill-posed, or structurally constrained linear and quadratic programming problems using least-squares and convex optimization

- Ilya Bolotov
- LPRPLOT: Stata module to produce logistic regression partial residual plots

- Bill Sribney
- LPUNIT: RATS procedure to implement Lumsdaine-Papell unit root test with structural breaks

- Tom Doan
- LQD: RATS module for regression via least quartile difference estimator

- Eric Blankmeyer
- LRAPP: GAUSS module to calculate multivariate IC with the LR test used in conflict to determine the optimal lag order in a VAR model

- R Scott Hacker and Abdulnasser Hatemi-J
- LRASVAR: Stata module to label or rename varlist as the contents of the specified variable in turn

- Dejin Xie
- LRCHG: Stata module to calculate change in coefficients between logistic models

- Jan Brogger
- LRDROP1: Stata module to calculate likelihood-ratio test after dropping one term

- Zhiqiang Wang
- LRMATX: Stata module to make logistic regression estimates available

- Jan Brogger
- LRMBOUNDS: Stata module implementing bounds approach to inference using the long-run multiplier (LRM)

- Merwan Roudane
- LRPLOT: Stata module to plot coefficients from a logistic regression

- Jan Brogger
- LRSEQ: Stata module to calculate sequential likelihood-ratio test after model estimation

- Zhiqiang Wang
- LRUTIL: Stata modules providing utilities for logistic regression

- Jan Brogger
- LSACSETUP: Stata module to create a longitudinal dataset for Growing Up in Australia: The Longitudinal Study of Australian Children (LSAC)

- Francisco Perales
- LSAPLOT: Stata module to plot event-study/dynamic treatment effects for difference-in-differences

- Linze Li
- LSDVC: RATS procedure to estimate a dynamic FE model with correction for bias

- Tom Doan
- LSTACK: Stata module to stack variables with labelled _stack

- Nicholas Cox
- LSTRFUN: Stata module to modify long local macros

- Dan Blanchette
- LSUNIT: RATS procedure to implement Lee-Strazicich unit root tests with one or more structural breaks

- Tom Doan
- LTABLE2: Stata module to generate life tables for rare events

- Mario Cleves
- LTIMBIMATA: Stata module containing six general-purpose Mata functions

- Ibrahima Diallo
- LTOP: Stata module to divide a dataset list into pages without splitting internal by-groups

- Roger Newson
- LUVAIN: Stata module to find communities in weighted graph

- Nikos Askitas
- LVALUES: Stata module for letter value calculation

- Nicholas Cox
- LVR2PLOT2: Stata module to produce leverage versus squared residual plot with Cook's D

- Maarten Buis
- LWAVELET: Stata module providing Wavelet analysis for time series

- Merwan Roudane
- LWDID: Stata module to implmenent Rolling Difference-in-Differences Estimator for Small-N and Large-N Panel Data

- Soo Jeong Lee and Jeffrey Wooldridge
- LXHGET: Stata module to download datasets of lianxh.cn blogs or network

- Yujun Lian
- LXHUSE: Stata module to access Stata datasets of lianxh.cn blogs

- Yujun Lian
- LXPCT_2: Stata module to calculate multistate life expectancies

- Margaret Weden
- LYAPEXPAN: MATLAB function to calculate Lyapunov exponents with Taylor expansion

- Shapour Mohammadi
- LYAPROSEN: MATLAB function to calculate Lyapunov exponent

- Shapour Mohammadi
- LZQREG: Stata module providing quantile regression to analyze logarithmic relationships with non-positive values in the outcome variable

- Jack Fitzgerald
- M_STATS: Stata module to implement interpoint distance distribution analysis

- Pietro Tebaldi
- MAAUTOLAGS: RATS procedure to compute Information Criteria for MA models using innovations algorithm

- Tom Doan