Description Usage Arguments Value See Also Examples
Returns a parameter matrix from a parameter list.
1 | parameter.matrix(pars, model = "3PL", dims = 1, byrow = F)
|
pars |
The parameter list |
model |
The model whose the list refers to. |
dims |
dimensions of the model |
byrow |
to interpret the data by row or not. |
A matrix containing the model parameters.
1 2 3 4 5 6 7 8 | ## create the dataset
# data <- simulateTest(model = "3PL", items = 20, individuals = 200)
## extract the parameters and transform them from one list to matrix.
# zita <-data$itempars
# parameter matrix
# zita.m <- parameter.matrix(zita)
# parameter list
# zita.l <- parameter.list(zita)
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