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Statistical Analysis Methodology

Tool
Chesapeake Bay Model Inventory and Selection Tool (MIST)
The Model Inventory and Selection Tool (MIST) is an interactive, searchable database of empirical, statistical, and conceptual models relevant to water- and climate-related planning and decisionmaking in the Chesapeake Bay watershed and beyond.
Jan 19, 2023
Journal Article
Predicting Race And Ethnicity To Ensure Equitable Algorithms For Health Care Decision Making
We describe two applications in which imputation of race and ethnicity can help mitigate potential algorithmic biases: equitable disease screening algorithms using machine learning and equitable pay-for-performance incentives.
Aug 23, 2022
Journal Article
Methodological Considerations for Estimating Policy Effects in the Context of Co-Occurring Policies
Researchers conducted simulations to assess how concurrently implemented policies affected the evaluation of hypothetical state-level policies.
Jul 15, 2022
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial for the R TWANG Package
This tutorial describes the use of the TWANG package in R to estimate propensity score weights when there are two treatment groups, and how to use TWANG to estimate nonresponse weights.
Jul 7, 2022
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial on the TWANG Shiny App for Two Treatments
This tutorial describes how to use a menu-driven Shiny application based on the Toolkit for Weighting and Analysis of Nonequivalent Groups (TWANG) R package.
Jul 7, 2022
News Release
RAND and Poynter Develop Policy-Focused Educational Opportunities for Journalists
The RAND Corporation, a nonprofit, nonpartisan research institution, is partnering with the Poynter Institute, a global nonprofit dedicated to journalistic excellence, to develop education and training for journalists on today's most pressing policy issues and the process of research and analysis.
Jul 6, 2022
Content
RAND x Poynter: Custom Policy Education for Journalists
RAND partners with the Poynter Institute to create innovative educational opportunities for journalists. Programming focuses on breaking down the policy research process and how critical policy issues affect the general public.
Jul 6, 2022
Journal Article
Higher Moments for Optimal Balance Weighting in Causal Estimation
We explore the potential benefit of using higher-order moments in the balancing conditions for covariate-balancing propensity scores and entropy balance.
Jun 24, 2022
Journal Article
Volunteer Recovery Support for Adolescents: Using Propensity Score Based Methods to Understand Dosage Effects Within a Randomized Controlled Trial
The study used statistical methods designed to approximate RCTs when comparing more than two nonequivalent groups that include an assessment of the potential impact of omitted variables in order to address potential dosage effects for a commonly used evidence based substance use treatment program for adolescents.
Jun 24, 2022
Journal Article
A Tutorial Comparing Different Covariate Balancing Methods with an Application Evaluating the Causal Effects of Substance Use Treatment Programs for Adolescents
A state-of-the-art tutorial on how best to implement propensity score weighting analyses.
Jun 24, 2022
Report
Suggestions for Estimating the Effects of State Gun Policies: Commentary on Four Methodological Problems in the Current Literature
In this report, the authors discuss four common methodological problems that they observed in the literature evaluating gun policies and offer suggestions for how future research on gun policies could be improved.
Feb 15, 2022
Blog
What Sounds Do a Million Random Digits Make?
The title of RAND's 1955 classic, A Million Random Digits with 100,000 Normal Deviates, doesn't exactly dance off the page. But Paul Dunham, a sound artist in New Zealand, thought the work could make its own kind of music.
Jan 5, 2022
Journal Article
Moving Beyond the Classic Difference-In-Differences Model: A Simulation Study Comparing Statistical Methods for Estimating Effectiveness of State-Level Policies
Researchers conducted an extensive simulation study to compare the statistical performance of commonly used methods for evaluating state-level opioid policies, including popular difference-in-differences methods.
Dec 15, 2021
Tool
A Toolkit for a Score-Based Balance Metric for the Synthetic Control Method: A Tutorial for the synth_asmd STATA Program
This toolkit includes background information on the synth_asmd program for Stata, a tutorial on its use, and the sample code and datasets used in the tutorial.
Aug 24, 2021
Journal Article
Statistical Analysis of Presidential Pardons
This report is a study of pardon-petition evaluations performed by the Office of the Pardon Attorney, a unit in the Department of Justice.
Jul 6, 2021
Multimedia
State-Level Opioid Policy Analyses: Moving Beyond the Classic Difference-in-Differences Model
This workshop provides an overview of key methodological challenges faced when evaluating the effectiveness of state-level policy using annual state-level data, as well as potential solutions and practice guidelines.
Jun 24, 2021
Tool
Toolkit for Weighting and Analysis of Nonequivalent Groups: A Tutorial on the TWANG Shiny Application for Time-Varying Treatments
This tutorial demonstrates the use of the Toolkit for Weighting and Analysis of Nonequivalent Groups Shiny application for time-varying treatments -- for cases when the time-varying treatment or exposure is binary -- using an illustrative example.
May 14, 2021
Journal Article
Improving Care Experiences for Patients and Caregivers at End of Life: A Systematic Review
Previous reviews examined palliative care improvements or available measures but none explicitly on improving care experiences. We reviewed literature on improving patient and/or caregiver end-of-life care experiences.
Apr 7, 2021
Journal Article
An Audit Tool for Longitudinal Assessment of the Health-Related Characteristics of Urban Neighborhoods: Implementation Methods and Reliability Results
To identify neighborhood features that are predictors of health, objective assessments of the environment are used. In this paper, we have described implementation methods, reliability results and lessons learned to inform future studies of change.
Mar 16, 2021
Journal Article
Brief Tutorial for twangContinuous
This document provides a brief tutorial on using the twangContinous package to estimate causal effects for continuous exposure variables using generalized propensity scores estimated via generalized boosted models.
Mar 10, 2021

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RAND Topic:
Statistical Analysis Methodology

Topic Synonyms:
Statistical Modeling

Researcher Spotlight

David Schulker

Senior Policy Researcher

David Schulker is a senior policy researcher at the RAND Corporation. His research uses econometric and statistical techniques to analyze defense recruiting and career progression, with some additional work on topics involving education, military spouses and veterans. Much of Schulker's work is…
Bonnie Ghosh-Dastidar

Senior Statistician

Madhumita (Bonnie) Ghosh-Dastidar is head of the Statistics Group and a senior statistician at the RAND Corporation. Her areas of policy are health and social and economic well-being and her work includes evaluations of neighborhood-level interventions, randomized trails to assess the effect of…

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