September 2019
Beginner
236 pages
5h 33m
English
Chapter 11: Correlation
Using the Statistics Correlation Task
Generating Correlation and Scatter Plot Matrices
Correlations among Variables in the Fish Data Set
Interpreting Correlation Coefficients
Generating Spearman Non-Parametric Correlations
Introduction
There are several ways to quantify the relationship between two continuous variables, the most common being a Pearson correlation coefficient. This chapter describes this as well as a nonparametric alternative called a Spearman rank-order correlation.
Using the Statistics Correlation Task
As a quick summary, a Person correlation coefficient measures the strength of the relationship between two variables. These variables are usually continuous, ...