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Monday, June 27 • 1:00pm - 2:15pm
Regression Modeling Strategies and the rms package (Part 1)

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The art of data analysis concerns using flexible statistical models, choosing tools wisely, avoiding overfitting, estimating quantities of interest, making statistical inferences and predictions, validating predictive accuracy, graphical presentation of complex models, and many other important techniques. Regression models can be extended in a number of ways to meet many of the modern challenges in data analysis. Software that makes it easier to incorporate modern statistical methods and good statistical practice removes obstacles and leads to greater insights from data. The presenter has striven to bring modern regression, missing data imputation, data reduction, and bootstrap model validation techniques into everyday practice by writing Regression Modeling Strategies (Springer, 2015, 2nd edition) and by writing an R package rms that accompanies the book. Detailed information may be found athttp://biostat.mc.vanderbilt.edu/rms.

The tutorial will cover two chapters in Regression Modeling Strategies related to general aspects of multivariable regression, relaxing linearity assumptions using restricted cubic splines, multivariable modeling strategy, and a brief introduction to bootstrap model validation. The rms package will be introduced, and at least two detailed case studies using the package will be presented. The methods covered will apply to almost any regression model, including ordinary least squares, logistic regression models, ordinal regression, quantile regression, longitudinal data analysis, and survival models.

For details, refer to tutorial description.

avatar for Frank Harrell

Frank Harrell

Professor, Vanderbilt University School of Medicine
regression modeling; user of the S language for 25 years

Monday June 27, 2016 1:00pm - 2:15pm PDT
Lyons & Lodato