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Any variable we are using to predict (or explain differences) in the outcome is commonly called an explanatory variable, an independent variable, a predictor variable, or a covariate.

Role-Type Classification

Published: Sep 4th, 2013

View Lecture Slides with Transcript – Role Type Classification – All Parts Part A (4:49) Part B (4:57) This document is linked from Role-Type Classification.

What is Data?

Published: Jun 13th, 2013

View Lecture Slides with Transcript – What is Data? Video (2:50) This document is linked from What is Data?

What is Data?

What is Data?

Published: Jun 12th, 2013

What do we really mean by data? Individuals, Observations, or Cases Independent Observations Variables Various Uses of the Term INDEPENDENT in Statistics CO-1: Describe the roles biostatistics serves in the discipline […]

Role-Type Classification

Role-Type Classification

Published: Aug 21st, 2012

Role of a Variable in a Study Role-Type Classification CO-4: Distinguish among different measurement scales, choose the appropriate descriptive and inferential statistical methods based on these distinctions, and interpret the results. […]