Linear Regression

Linear Regression - What is Simple Linear Regression?...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
1 Linear Regression PH 647A Janet Wolf, MPH Spring 2009 2 What is Simple Linear Regression? A statistical technique that allows you to determine if a relationship exists between 2 variables … and what that relationship is Attempts to model the relationship between 2 variables by fitting a linear equation to observed data The process of fitting the best possible straight line through a series of points 3 What is Simple Linear Regression? Used to make predictions about a single value A way to examine how a factor (or factors) influences a continuous outcome measure One variable considered to be an independent (or explanatory or predictor) variable; the other a dependent (or criterion) variable 4 What is Simple Linear Regression? Regression can be used to determine the association between variables, but it does NOT show causality 5 Regression Equation The mathematical equation that can be used to predict the values of one dependent variable from known values
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

Linear Regression - What is Simple Linear Regression?...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online