STA441s24 SAS Example Six:

Read Math Data, Descriptives and Basic Tests on the Exploratory Subset

Before the beginning of the Fall term, students in a first-year Calculus class took a diagnostic test with two parts: Pre-calculus and Calculus. Their High School Calculus marks and their marks in University Calculus were also available. In order, the variables in the data file are:

1. Identification code
2. Course: 1=Catch-up 2=Mainstream 3=Elite 4=NoResponse
3. Score on pre-calculus part of diagnostic test
4. Score on calculus part of diagnostic test
5. High School GPA
6. High School Calculus mark
7. High School English mark
8. University Calculus mark
9. First language
10. Sex
11. National background according to rater one
12. National background according to rater two
    1. Chinese
    2. Japanese
    3. Korean
    4. Vietnamese
    5. Other Asian
    6. Eastern European
    7. Hispanic
    8. English-speaking
    9. French
    10. Italian
    11. Greek
    12. Germanic
    13. Other European
    14. Middle-Eastern
    15. Pakistani
    16. East Indian
    17. Sub-Saharan
    18. OTHER or DK
13. Sample: 1=Exploratory, 2=Replication (Students were randomly divided into Exploratory and Replication samples.)

• Raw data file (math.data.txt)
• First look: Read data and hunt down problems (mathpeek.sas)
  • Program file
  • Results file
  • Log file
• Basic description of combined sample (describemath0.sas)
  • Program file
  • Results file
  • Log file
• Read and Label data (ReadLabelMath.sas)
  • Program file
• Describe Exploratory Sample (describemath1.sas)
  • Program file
  • Results file
  • Log file
• Elementary tests on the Exploratory Sample (basicmath.sas)
  • Program file
  • Results file
  • Log file

The SAS programs for this example are copyright Jerry Brunner 2024, licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License. Share it freely.

The data are courtesy of Dr. Cleo Boyd, and may be used for non-commercial purposes.