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Multilevel Modeling of Non-Normal Data

Event Details

Multilevel Modeling of Non-Normal Data

Time: July 23, 2015 at 9am to July 24, 2015 at 5pm
Location: Temple University Center City
Street: 1515 Market Street
City/Town: Philadelphia
Website or Map: http://statisticalhorizons.co…
Phone: 610-642-1941
Event Type: training, seminar
Organized By: Statistical Horizons LLC
Latest Activity: Jul 14, 2015

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Event Description

Taught by Donald Hedeker, Ph.D.

Multilevel models are increasingly used for analysis of clustered and longitudinal data, and methods for continuous outcomes are commonly used and applied. However, many research studies have non-normal outcomes, for example, outcomes that are dichotomous, ordinal, or nominal. Although methods for such non-normal outcomes have been available for quite some time, they are perhaps not as routinely applied as models for continuous outcomes.

This workshop will focus on analysis of dichotomous, ordinal and nominal multilevel outcomes. Both clustered and longitudinal data will be considered, and the following models will be described: multilevel logistic regression for dichotomous outcomes, multilevel logistic regression for nominal outcomes, and multilevel proportional odds and non-proportional odds models for ordinal outcomes. The latter models are useful because the proportional odds assumption of equal covariate effects across the cumulative logits of the model is often unreasonable.

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