item: Distractor analysis

In hyunsooseol/snowIRT: Item Response Theory for jamovi

Distractor analysis

Description

Distractor analysis

Usage

item(
  data,
  vars,
  key = "D,C,A,D,D,A,D,B,D,A,A,D,C,C,B,C,D,A,A,B",
  num = 1,
  num1 = 1,
  group = 3,
  group1 = 3,
  count = TRUE,
  prop = FALSE,
  sum = FALSE,
  disc = FALSE,
  sum1 = FALSE,
  plot = FALSE,
  angle = 90,
  plot1 = FALSE,
  disi,
  plot2 = FALSE,
  plot3 = FALSE,
  width2 = 500,
  height2 = 500,
  width = 500,
  height = 500,
  width1 = 500,
  height1 = 500,
  width3 = 500,
  height3 = 500
)

Arguments

data	The data as a data frame.
vars	.
key	.
num	.
num1	.
group	.
group1	.
count	.
prop	.
sum	.
disc	.
sum1	.
plot	.
angle	.
plot1	.
disi	.
plot2	.
plot3	.
width2	.
height2	.
width	.
height	.
width1	.
height1	.
width3	.
height3	.

Value

A results object containing:

results$instructions					a html
results$text					a preformatted
results$count					an array of tables
results$prop					an array of tables
results$sum					an array of tables
results$disc					a table
results$sum1					an array of tables
results$plot2					an image
results$plot					an image
results$plot1					an image
results$total					an output
results$scoring					an output
results$plot3					an image

Tables can be converted to data frames with asDF or as.data.frame. For example:

results$disc$asDF

as.data.frame(results$disc)

hyunsooseol/snowIRT documentation built on March 20, 2024, 8 p.m.