partial_credit_contour_plot {door} | R Documentation |
Generate contour plot for partial credit analysis
Description
The contour plot is for sensitivity analysis. Currently it supports given DOOR outcome categories of three or four. The contour plot assigns every combinations of grade keys given a DOOR outcome distribution
Usage
partial_credit_contour_plot(
y1 = NULL,
y2 = NULL,
n1 = NULL,
n2 = NULL,
summary_obj = NULL,
data_type = c("freq", "prop"),
pc_inc = 10,
contour_inc = 1
)
Arguments
y1 , y2 |
Numeric vectors of DOOR proportion or frequency distribution for group 1, group 2. The entries should be ordered from most desirable to least desirable |
n1 , n2 |
Sample sizes of group 1, group 2; must be specified if method = "prop" |
summary_obj |
An object returned by |
data_type |
Either "freq" for frequency input or "prop" for proportion input when using y1 and y2 |
pc_inc |
Increment of partial credits |
contour_inc |
Increment of contour lines |
Value
A graph object
Examples
y1 <- c(60, 30, 10)
y2 <- c(50, 40, 10)
partial_credit_contour_plot(y1, y2)
[Package door version 0.0.2 Index]