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Plos One|May 18, 2018
A consistent and general modified Venn diagram approach that provides insights into regression analysisRobert M O'BrienStatistics in Medicine|April 6, 2017
Mixed models, linear dependency, and identification in age-period-cohort modelsRobert M O'BrienStatistics in Medicine|December 1, 2020
A simplified approach for establishing estimable functions in fixed effect age-period-cohort multiple classification modelsRobert M O'BrienPlos One|June 23, 2012
Visualizing rank deficient models: a row equation geometry of rank deficient matrices and constrained-regressionRobert M O'BrienSocial Science Research|April 13, 2002
Variations in age-specific homicide death rates: a cohort explanation for charges in the age distribution of homicide deathsRobert M O'Brien, Jean StockardPageof 1