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Lab percentage mark, letter grade, lower and upper grade thresholds, a censored variable value, and the final percentage course mark.
data("grades")
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
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
3
finmark
a numeric vector recording the final percentage mark for the course
# NOT RUN { data("grades", package="smdata") # }
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