The SAS Workbook：第1-30章中的problem solution
Ron Cody - The SAS Workbook Solutions


I Inputting Raw Data
2 Reading and Writing from External Files
3 Using Logical Structures: IF-THEN/ELSE, WHERE, and SELECT
4 Combining SAS® Data Sets
5 Using Numerical Functions6 Using Character Functions
7 Working with Dates
8 Using Arrays
9 Looking Back and Ahead Across Observations
10 Working with Longitudinal Data: Multiple Observations per Subject
I1 Writing Simple DATA Step Reports
12 The FORMAT Procedure
13 The PRINT Procedure
14 The SORT Procedure15 The FREQ Procedure
16 The MEANS Procedure
17 The TABULATE Procedure
18 The CHART Procedure
19 The PLOT Procedure
20 Efficient Programming
21 Longer and More Advanced Problems
22 Basic Descriptive Statistics
23 Tests of Proportions
24 Comparing Means: Two Groups
25 Analysis of Variance
26 Parametric and Nonparametric Correlations
27 Simple, Multiple, and Logistic Regression
28 Random Assignment and Random Selection of Subjects
29 More Advanced Statistics Projects
30 SAS® Puzzles