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Regression Analysis

Journal Article

Collaborative Targeted Learning Using Regression Shrinkage

While the underlying theory of collaborative targeted minimum loss-based estimation is quite general, current implementations involve greedy stepwise selection of covariates into the exposure model.

Dec 15, 2017
Commentary

Corruption Costs Europe Up to €990 Billion Per Year

Corruption costs Europe up to €990 billion in GDP annually, according to a new study. That's more than eight times previous estimates.

Mar 22, 2016
News Release

The Cost of Corruption in Europe — Up to €990 Billion (£781.64 Billion) Lost Annually

New estimates of the cost of corruption in the EU show that up to €990 billion (£781.64 billion) in GDP terms is lost annually. Three policy measures to address corruption are recommended.

Mar 22, 2016
Report

Estimating the Cost of Corruption in Europe

New estimates of the cost of corruption in the EU show that up to €990 billion (£781.64 billion) in GDP terms is lost annually. Three policy measures to address corruption are recommended.

Mar 22, 2016
Journal Article

A Spatiotemporal Quantile Regression Model for Emergency Department Expenditures

The authors develop a spatiotemporal quantile regression model for the analysis of emergency department-related medical expenditures.

Mar 24, 2015
Commentary

Is Geographic Clustering Driving Political Polarization?

The ideological gap separating the Republican and Democratic parties in Congress has grown dramatically wider in recent decades. An analysis of the presidential vote in congressional districts over the last 60 years finds that the degree to which most districts are different from the “average” district has grown, supporting the theory that polarization stems from geographic clustering.

Mar 3, 2015
Report

Is Geographic Clustering of Voters Driving Rising Polarization in Congress?

Over the last 40 years, the geographic distribution of the American electorate has become more clustered with respect to party voting, college attainment, median family income, and the marriage rate. This is responsible for an estimated 30 percent of the increase in polarization in the House of Representatives over time.

Feb 17, 2015
Report

Evaluation of the Shreveport Predictive Policing Experiment

This report documents an assessment of a predictive policing effort that was conducted to evaluate the crime reduction effects of policing guided by statistical predictions.

Jul 1, 2014
Journal Article

Multiple Imputation Results in Efficiency Gains

Large efficiency gains and substantial reduction in omitted variable bias are demonstrated in an application to sociodemographic differences in the risk of child obesity estimated from two nationally representative cohort surveys.

Nov 1, 2013
Research Brief

Do U.S. Military Interventions Occur in Clusters?

This research challenges the assumption that the timing of deployments and their distribution over time are serially independent, arguing that military interventions occur in temporal clusters driven by the number of interventions in the recent past.

Jun 25, 2013
Report

Are U.S. Military Interventions Contagious over Time? Intervention Timing and Its Implications for Force Planning

This report challenges the assumption that the timing of deployments and their distribution over time are serially independent, arguing that military interventions occur in temporal clusters driven by the number of interventions in the recent past.

May 17, 2013
Journal Article

Nonparametric Bayesian Multiple Imputation for Missing Data Due to Mid-Study Switching of Measurement Methods

Investigators often change how variables are measured during the middle of data-collection, for example, in hopes of obtaining greater accuracy or reducing costs.

Jul 1, 2012
Journal Article

Bias and Variance Trade-Offs When Combining Propensity Score Weighting and Regression: With an Application to HIV Status and Homeless Men

There is a bias-variance tradeoff at work in propensity score estimation; every step toward better balance usually means an increase in variance and at some point a marginal decrease in bias may not be worth the associated increase in variance.

Jun 1, 2012
Journal Article

Development of a Prognostic Model for Six-Month Mortality in Older Adults with Declining Health

Estimation of six-month prognosis is essential in hospice referral decisions, but accurate, evidence-based tools to assist in this task are lacking.

Mar 1, 2012
Journal Article

Examining Moderated Effects of Additional Adolescent Substance Use Treatment: Structural Nested Mean Model Estimation Using Inverse-Weighted Regression with Residuals

This article considers the problem of examining causal effect moderation using observational, longitudinal data in which treatment, candidate moderators, and putative confounders are time-varying.

Jan 1, 2012
Journal Article

Medical Expenditure Risk and Household Portfolio Choice

Ownership of risky assets rises as the risk of medical expenditure decreases. Medigap or employer supplemental insurance increases risky asset holding by about 7 percentage points. Belonging to a Medicare HMO increases risky asset holding by 13 percentage points.

Jan 1, 2012
Journal Article

Hypothesized, Directly-Coded Curve Shapes in Growth Curve Analysis: An Example

This article presents a step-by-step example of the use and testing of hypothesized curve shapes in the estimation of growth curves using hierarchical linear modeling for a small intervention study.

Jan 1, 2012
Journal Article

Evaluating the Gifted Program of an Urban School District Using a Modified Regression Discontinuity Design

This paper examines the impact of a gifted program on retention in an urban school district using a regression discontinuity design.

Sep 1, 2010
Journal Article

Estimating Conditional Proportion Curves by Regression Residuals

We propose a fully nonparametric empirical estimator using the standardized regression residuals from the general location-scale model y=m(x) + v(x)e for the original continuous measurement.

Jun 1, 2010
Journal Article

Power of Tests for a Dichotomous Independent Variable Measured with Error

Examines implications for statistical power of using predicted probabilities for a dichotomous variable rather than the actual variable. Information loss from not observing actual values can be large. Direct substitution is easy and efficient.

Jan 1, 2008

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RAND Topic:
Regression Analysis

Topic Synonyms:
Regression and Correlation Analysis