getlet {ProfessR}R Documentation

Get Letter Grades

Description

Get letter grades from list of numeric scores

Usage

getlet(ggrades, divs)

Arguments

ggrades vector of grades
divs numerical vector of divisions

Details

Returns letter grades scaled linearly between divisions.

Value

LIST:

ggrades Input grades
lett letter values
scor scores after scaling
divs divisions used in setting scores
LETS Letters for grades
SCRS numeric divisions used for LETS
olett letter values, older version
oscor scores after scaling, older version binned

Author(s)

Jonathan M. Lees<jonathan.lees@unc.edu>

See Also

do.grades

Examples


g = rnorm(130, m=82, sd=10)

g[g>100] = 100
g[g<1] = 1


B = boxplot(g)

divs = c(min(g), B$stats[1:4] + diff(B$stats)/2, max(g) )

G = getlet(g, divs)

cbind(G$LETS, G$SCRS)


data.frame(G$grades, G$lett, G$scor)



[Package ProfessR version 1.0-8 Index]