Course #EDA05: Exploratory Data Analysis
This course covers the fundamentals of data analysis and basic statistics. Included are procedures designed to help explore the relationships existing in a data set.

Course length: 2 days

Course material provided: Statistical Analysis Using STATGRAPHICS, Vol. 1: Basic Statistical Methods

Outline:

Summarizing a Single Column of Data

Dot diagrams, histograms, box-and-whisker plots, stem-leaf displays
Measures of central tendency, dispersion, and shape
Confidence intervals and hypothesis tests
Outlier identification

Probability Distributions

Types of distributions
Probability plots
Tests for normality
Power transformations

Reliability and Life Data Analysis

Life Tables
Estimating survivor and hazard functions
Dealing with censored data
Weibull analysis

Analysis of Attribute Data

Tabulation
Crosstabulation
Barcharts, skycharts, and mosaic plots
Tests for association

Comparing Two Samples

Comparing means (independent and paired samples)
Comparing medians using rank tests
Comparing standard deviations
Comparing rates and proportions

Comparing More Than Two Samples

Comparing means
Multiple sample procedures
Comparing standard deviations

Curve Fitting

Regression with one predictor variable
Examining residuals
Fitting nonlinear models

 Sample Size Determination

One sample analysis
Two sample Comparisons
Multiple sample comparisons