| math {ANOM} | R Documentation |
Math Proficiency Scores
Description
Proportion of fifth graders with proficient math test scores in 10 elementary schools.
Usage
data(math)
Format
A data frame with 10 observations on the following 3 variables.
schoolA factor with 10 levels giving the ID of the school.
enrolledA numeric vector giving the number of students taking part in the math test.
proficientA numeric vector giving the number of students with proficient math test scores.
Details
A study compared math achievements of students from 10 elementary schools in a U.S. district; 6 of them were conventional neighborhood schools (N1–N6) and 4 alternative schools (A1–A4). 563 fifth graders took standardized math tests, and each school's proportion of students who scored proficient was recorded.
Source
Nelson, P. R., Wludyka, P. S., Copeland, K. A. F. (2005) The Analysis of Means: A Graphical Method for Comparing Means, Rates, and Proportions. Society for Industrial and Applied Mathematics (SIAM), Philadelphia, PA, and American Statistical Association (ASA), Alexandria, VA, pp. 42–43.
Examples
data(math)
str(math)