getCqHist function

getCqHist

creates a data frame representation of the iteration history for all parameters.

getCqHist(myCqs, labelParams = FALSE)

Arguments

• myCqs: An ACER ConQuest system file created using the conquest command, put.
• labelParams: A boolean. When true, and if long (user) parameter labels are available, replace default history column names (e.g., "Xsi1") with user labels (e.g., "Item one"). Currently only available for Xsi and Tau.

Returns

A data frame.

Examples

myHist <- getCqHist(ConQuestSys(), labelParams = TRUE)
str(myHist)

See Also

getCqChain() which is a wrapper for this function to use with models estimated by Markov chain Monte Carlo (MCMC) methods.