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Summarise item-parameter drift over sessions

Usage

eyeprocess_irt_session_drift(
  parameters,
  item_id = "item_id",
  session = "session",
  parameter = "b"
)

Arguments

parameters

Item-parameter data frame or parameter estimates.

item_id

Item identifier or vector of item identifiers.

session

Session identifier or grouping variable.

parameter

Name of the parameter to compare.