| change_test | Tests in context of measurement of change using LLTM. |
| discr_test | Testing item discriminations |
| invar_test | Test of invariance of item parameters between two groups. |
| LLTM_test | Testing linear restrictions on parameter space of item... |
| post_hocChange | Power analysis of tests in context of measurement of change... |
| post_hocPCM | Power analysis of tests of invariance of item parameters... |
| post_hocRM | Power analysis of tests of invariance of item parameters... |
| powerChange | Power analysis of tests in context of measurement of change... |
| powerPCM | Power analysis of tests of invariance of item parameters... |
| powerRM | Power analysis of tests of invariance of item parameters... |
| sa_sizeChange | Sample size planning for tests in context of measurement of... |
| sa_sizePCM | Sample size planning for tests of invariance of item-category... |
| sa_sizeRM | Sample size planning for tests of invariance of item... |
| tcl_hessian | Computation of Hessian matrix. |
| tcl_scorefun | Computation of score function. |
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