JMP Analysis
Descriptive Analysis
A univariate descriptive analysis
for the variables in the data set appears in the case “Building
a Simple Predictive Model for Health Care Costs for Newborns in Adirondack
Hospitals.” When conducting a multiple regression, a simple
correlation analysis is a useful preparatory step that can help identify
independent variables that may be good predictors and independent
variables that are highly correlated. Including highly correlated
independent variables in a multiple regression can be problematic
as will be discussed subsequently.
The Pearson correlation coefficient describes the degree of linear association between two continuous variables. Correlation is measured on a scale of -1 to 1 where -1 represents ...
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