Format
A dataframe containing :
- mathlevel
- highest level of math attained , an ordered factor with levels 170, 171a, 172, 171b, 172b, 221a, 221b
- sat
- sat Math score
- language
- foreign language proficiency ?
- sex
- male, female
- major
- one of other, eco, oss (other social sciences), ns (natural sciences), hum (humanities)
- mathcourse
- number of courses in advanced math (0 to 3)
- physiccourse
- number of courses in physics (0 to 2)
- chemistcourse
- number of courses in chemistry (0 to 2)
Source
Butler, J.S., T. Aldrich Finegan and John J. Siegfried (1998) “Does more calculus improve student learning in intermediate micro and macroeconomic theory ?”, Journal of Applied Econometrics, 13(2), april, 185--202.