Description Usage Arguments Value Author(s) References See Also Examples
Simulate a data matrix from the Rasch Model
1 |
ncat |
number of response categories |
nitem |
number of items |
nexaminee |
number of examinees |
beta |
item parameter; if it is NULL, beta will be randomly generated from the standard normal distribution |
data |
data is generated from Rasch model. It is a data frame or matrix with rows indicating individuals, columns indicating items, and the entry values indicating the choices are either 0 or 1 |
beta |
item parameter |
theta |
the underlying latent trait |
Zhushan "Mandy" Li & Feng Hong
Anderson, C.J., Li, Z., & Vermunt, J.K. (2007). Estimation of models in the Rasch family for polytomous items and multiple latent variables. Journal of Statistical Software, 20.
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