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SAS Learning Module

Fundamentals of Using SAS (part I) 3

1. Introduction to the features of SAS. 3

2. Descriptive statistics. 13

3. An overview of statistical tests in SAS. 21

4. Graphing data in SAS. 34

Fundamentals of Using SAS (part II) 43

1. Using where with SAS procedures. 43

2. Missing data in SAS. 51

3. SAS system options. 61

4. An overview of the syntax of SAS procedures. 64

5. Common error messages in SAS. 69

Reading Raw Data into SAS. 80

1. Inputting data into SAS. 80

2. Using dates. 85

Basic Data Management in SAS. 93

1. Creating and recoding variables in SAS. 93

2. Using SAS functions for making and recoding variables. 98

3. Subsetting data in SAS. 103

4. Labeling. 111

5. Using proc sort and by statements. 115

6. Making and using permanent SAS data files (version 8) 121

Classic Data Management Problems. 124

1. Match merging data files in SAS. 124

2. Match merging data files using proc sql 133

3. Concatenating data files in SAS. 140

4. Working across variables. 149

5. Collapsing across observations in SAS. 154

6. Collapsing across observations using proc sql 162

7. Collapsing across observations, intermediate. 167

8. Collapsing across observations, advanced. 171

9. How to reshape data wide to long using proc transpose. 178

10. Reshaping data wide to long using a data step. 183

11. How to reshape data long to wide using proc transpose. 197

12. Reshaping data long to wide using the data step. 209