final98b.cdb.
This CODEBOOK: codebook describes the following variables:
nafqt hisp black female motherhs motherco fatherhs fatherco missed motherpf fatherpf siblings readm noreadm disadvsh dropsch teachdrp
nafqt:
Adjusted afqt. Constructed after adjusting the afqt score for age. In addition a normalization was performed by dividing the adjusted afqt by its standard deviation.
hisp: (dummy) equal to one if hispanic, zero otherwise
black: (dummy) equal to one if black, zero otherwise.
Female: (dummy) equal to one if female, zero otherwise.
Motherhs: (dummy) equal to one if mother's education is between 12 and 15 years, zero otherwise.
Motherco: (dummy) equal to one if mother's education is 16 years or more, zero otherwise.
Fatherhs: (dummy) equal to one if education mother's is between 12 and 15 years, zero otherwise.
Fatherco: (dummy) equal to one if father's education is 16 years or more, zero otherwise.
Missed: (dummy) equal to one if father o mother's education is missing from the data, zero otherwise.
Motherpf: (dummy) equal to one if mother works as a professional, zero otherwise.
Fatherpf: (dummy) equal to one if father works as a professional, zero otherwise.
Siblings: number of siblings.
Readm: (...