grades {smdata}

Grades and marks for an undergraduate course

Description

Lab percentage mark, letter grade, lower and upper grade thresholds, a censored variable value, and the final percentage course mark.

Usage

data("grades")

Format

A data frame with 165 observations on the following 6 variables.

lab

a numeric vector recording the percentage mark for the laboratory component of the course

gradecat

a factor denoting the letter grade for the course, with levels CR D HD N P

lower

a numeric vector denoting the lower threshold for the corresponding letter grade

upper

a numeric vector denoting the upper threshold for the corresponding letter grade

cens

a numeric vector listing the censoring value of a mark, 3

finmark

a numeric vector recording the final percentage mark for the course

Source

Data obtained from Michael Smithson.

Examples

data("grades", package="smdata")