logit: DIF for ordinal data

In hyunsooseol/snowIRT: Item Response Theory for jamovi

DIF for ordinal data

Description

DIF for ordinal data

Usage

logit(
  data,
  vars,
  group,
  model = "adjacent",
  type = "both",
  match = "zscore",
  padjust = "BH",
  method = TRUE,
  puri = FALSE,
  num = 1,
  plot = TRUE,
  width = 500,
  height = 500
)

Arguments

data	The data as a data frame.
vars	.
group	A string naming the grouping variable from data
model	.
type	.
match	.
padjust	.
method	.
puri	.
num	.
plot	.
width	.
height	.

Value

A results object containing:

results$instructions					a html
results$method					a table
results$plot					an image

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

results$method$asDF

as.data.frame(results$method)

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