Item parameter estimates for the 2PL model, estimated
with ltm
from the example data set Scored
.
These are provided as a check, and to speed up the
examples for the various functions in the package.
A list of two matrices: est
contains the parameter estimates,
and se
contains the standard errors (see also est
).
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.