| BFPT | Big Five Personality Test | 
| diagnostic | Diagnostic the result of LSIRM. | 
| gof | Goodness-of-fit LSIRM | 
| lsirm | Fit a LSIRM ( Latent Space Item Response Model) | 
| lsirm.formula | Formula function for LSIRM | 
| lsirm12pl | lsirm12pl-package | 
| lsirm1pl | Fit a 1PL LSIRM for binary and continuous item response data | 
| lsirm1pl_fixed_gamma | 1PL LSIRM fixing gamma to 1. | 
| lsirm1pl_fixed_gamma_mar | 1PL LSIRM fixing gamma to 1 for missing at random data. | 
| lsirm1pl_fixed_gamma_mcar | 1PL LSIRM fixing gamma to 1 for missing completely at random data. | 
| lsirm1pl_mar | 1PL LSIRM for missing at random data. | 
| lsirm1pl_mar_ss | 1PL LSIRM with model selection approach for missing at random data. | 
| lsirm1pl_mcar | 1PL LSIRM for missing completely at random data. | 
| lsirm1pl_mcar_ss | 1PL LSIRM with model selection approach for missing completely at random data. | 
| lsirm1pl_normal_fixed_gamma | 1PL LSIRM fixing gamma to 1 with normal likelihood | 
| lsirm1pl_normal_fixed_gamma_mar | 1PL LSIRM fixing gamma to 1 with normal likelihood for missing at random data. | 
| lsirm1pl_normal_fixed_gamma_mcar | 1PL LSIRM fixing gamma to 1 with normal likelihood for missing completely at random data. | 
| lsirm1pl_normal_mar | 1PL LSIRM with normal likelihood for missing at random data. | 
| lsirm1pl_normal_mar_ss | 1PL LSIRM with normal likelihood and model selection approach for missing at random data. | 
| lsirm1pl_normal_mcar | 1PL LSIRM with normal likelihood for missing completely at random data. | 
| lsirm1pl_normal_mcar_ss | 1PL LSIRM with normal likelihood and model selection approach for missing completely at random data. | 
| lsirm1pl_normal_o | 1PL LSIRM with normal likelihood. | 
| lsirm1pl_normal_ss | 1PL LSIRM with normal likelihood and model selection approach. | 
| lsirm1pl_o | 1PL LSIRM. | 
| lsirm1pl_ss | 1PL LSIRM with model selection approach. | 
| lsirm2pl | Fit a 2pl LSIRM for binary and continuous item resopnse data | 
| lsirm2pl_fixed_gamma | 2PL LSIRM fixing gamma to 1. | 
| lsirm2pl_fixed_gamma_mar | 2PL LSIRM fixing gamma to 1 for missing at random data. | 
| lsirm2pl_fixed_gamma_mcar | 2PL LSIRM fixing gamma to 1 for missing completely at random data. | 
| lsirm2pl_mar | 2PL LSIRM for missing at random data. | 
| lsirm2pl_mar_ss | 2PL LSIRM with model selection approach for missing at random data. | 
| lsirm2pl_mcar | 2PL LSIRM for missing completely at random data. | 
| lsirm2pl_mcar_ss | 2PL LSIRM with model selection approach for missing completely at random data. | 
| lsirm2pl_normal_fixed_gamma | 2PL LSIRM fixing gamma to 1 with normal likelihood | 
| lsirm2pl_normal_fixed_gamma_mar | 2PL LSIRM fixing gamma to 1 with normal likelihood for missing at random data. | 
| lsirm2pl_normal_fixed_gamma_mcar | 2PL LSIRM fixing gamma to 1 with normal likelihood for missing completely at random data. | 
| lsirm2pl_normal_mar | 2PL LSIRM with normal likelihood and missing at random data. | 
| lsirm2pl_normal_mar_ss | 2pl LSIRM with normal likelihood and model selection approach for missing at random data. | 
| lsirm2pl_normal_mcar | 2PL LSIRM with normal likelihood and missing completely at random data. | 
| lsirm2pl_normal_mcar_ss | 2PL LSIRM with normal likelihood and model selection approach for missing completely at random data. | 
| lsirm2pl_normal_o | 2PL LSIRM with normal likelihood | 
| lsirm2pl_normal_ss | 2PL LSIRM with normal likelihood and model selection approach. | 
| lsirm2pl_o | 2PL LSIRM. | 
| lsirm2pl_ss | 2PL LSIRM with model selection approach. | 
| onepl | 1PL Rasch model. | 
| plot | Plotting the interaction map or summarizing the parameter estimate of fitted LSIRM with box plot. | 
| print.summary.lsirm | Print the summary the result of LSIRM | 
| summary.lsirm | Summary the result of LSIRM | 
| TDRI | Inductive Reasoning Developmental Test | 
| twopl | 2PL Rasch model. |