Biostatistics by Example Using SAS Studio

Chapter 10: Correlation

Introduction

Creating a Permanent SAS Data Set

Reading the Exercise.xls Workbook and Creating a Permanent SAS Data Set

Using the Statistics Correlation Task

Generating Correlation and Scatter Plot Matrices

Interpreting Correlation Coefficients

Generating Spearman Non-Parametric Correlations

Conclusions

Problems

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.

In addition to showing you how to compute these two correlation coefficients, you will also see how to save a SAS data set in a permanent library. Until ...