api29.RdThis database is a sample of the API program https://www.cde.ca.gov/re/pr/api.asp that ended in 2018.
The sample is extracted from the data api of the package survey, related to the results of the
county 29 (Nevada).
The database contains information for the 418 schools of this county having at least 100 students.
Missing information has been randomly (and voluntary) added to the awards and ell variables (4% and 7% respectively).
Several variables have been voluntary categorized from their initial types.
api29A data.frame with 418 schools (rows) and 12 variables
the school identifier
the API score in 2000 classed in 3 ordered levels: [200-600],(600-800],(800-1000]
the school type in a 3 ordered levels factor: Elementary, Middle or High School
the school eligible for awards program ? Two possible answers: No or Yes. This variable counts 4% of missing information.
the number of core academic courses in the school
the number of students tested in the school
the average class size years K-3 in the school. This variable is stored in a 3-levels factor: Unknown, <=20, >20.
the percentage of parents with postgraduate education stored in a 3 ordered levels factor of percents: 0, 1-10, >10
the percentage of English language learners stored in a 4 ordered levels factor: [0-10],(10-30],(30-50],(50-100]. This variable counts 7% of missing information.
the percentage of students for whom this is the first year at the school, stored in 2 levels: [0-20] and (20-100]
the percentage of students eligible for subsidized meals stored in a 4 balanced levels factor (By quartiles): [0-25], (25-50], (50-75], (75-100]
the percentage of fully qualified teachers stored in a 2-levels factor: 1: For strictly less than 90%, 2 otherwise
This database is a sample of the data api from the package survey.