SAS Statistics by Example

Chapter 2  Descriptive Statistics – Continuous Variables

Introduction

Computing Descriptive Statistics Using PROC MEANS

Descriptive Statistics Broken Down by a Classification Variable

Computing a 95% Confidence Interval and the Standard Error

Producing Descriptive Statistics, Histograms, and Probability Plots

Changing the Midpoint Values on the Histogram

Generating a Variety of Graphical Displays of Your Data

Displaying Multiple Box Plots for Each Value of a Categorical Variable

Conclusions

Introduction

One of the first steps in any statistical analysis is to calculate some basic descriptive statistics on the variables of interest. SAS has a number of procedures that provide tabular as well as graphical displays of your data.

To demonstrate ...