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immer  

Item Response Models for Multiple Ratings
View on CRAN: Click here


Download and install immer package within the R console
Install from CRAN:
install.packages("immer")

Install from Github:
library("remotes")
install_github("cran/immer")

Install by package version:
library("remotes")
install_version("immer", "1.5-13")



Attach the package and use:
library("immer")
Maintained by
Alexander Robitzsch
[Scholar Profile | Author Map]
All associated links for this package
First Published: 2015-09-14
Latest Update: 2024-03-21
Description:
Implements some item response models for multiple ratings, including the hierarchical rater model, conditional maximum likelihood estimation of linear logistic partial credit model and a wrapper function to the commercial FACETS program. See Robitzsch and Steinfeld (2018) for a description of the functionality of the package. See Wang, Su and Qiu (2014; ) for an overview of modeling alternatives.
How to cite:
Alexander Robitzsch (2015). immer: Item Response Models for Multiple Ratings. R package version 1.5-13, https://cran.r-project.org/web/packages/immer. Accessed 26 Oct. 2026.
Previous versions and publish date:
(2026-07-09 07:49), 0.1-1 (2015-09-14 09:12), 0.2-0 (2015-11-04 18:41), 0.3-0 (2016-01-23 00:37), 0.4-0 (2016-03-07 22:38), 0.5-0 (2016-05-31 14:47), 0.6-0 (2016-10-29 00:11), 0.7-0 (2017-01-18 23:57), 0.8-5 (2017-04-27 12:19), 1.0-138 (2018-04-24 12:56), 1.1-35 (2018-12-10 23:00), 1.2-19 (2022-04-13 09:52), 1.3-3 (2022-05-17 16:00), 1.4-15 (2022-08-22 12:50)
Other packages that cited immer R package
View immer citation profile
Other R packages that immer depends, imports, suggests or enhances
Complete documentation for immer
Functions, R codes and Examples using the immer R package
Some associated functions: data.immer . data.ptam . immer-package . immer_FACETS . immer_agree2 . immer_ccml . immer_cml . immer_hrm . immer_hrm_simulate . immer_install . immer_jml . immer_latent_regression . immer_opcat . immer_proc_data . immer_reshape_wideformat . immer_unique_patterns . lc2_agreement . probs2logits . 
Some associated R codes: IRT.likelihood.immer_hrm.R . IRT.likelihood_immer.R . MHprop_hrm.R . MHprop_refresh.R . MHprop_refresh_pars.R . MHprop_refresh_parstype.R . RcppExports.R . agree_aicken.R . anova_immer.R . coef.immer.R . harm_mean.R . immer_FACETS.R . immer_IRT_likelihood_gpcm_helper.R . immer_agree2.R . immer_attach_list_elements.R . immer_ccml.R . immer_ccml_summary_print_ic.R . immer_center.R . immer_cml.R . immer_cmml.R . immer_cmml_prepare.R . immer_cmml_proc_basispar.R . immer_cmml_proc_parameter_index.R . immer_collect_traces.R . immer_convert_factor_data_frame.R . immer_create_design_matrix_A.R . immer_create_design_matrix_A_PCM.R . immer_create_design_matrix_A_PCM2.R . immer_create_design_matrix_formula.R . immer_csink.R . immer_fun_FACETS.R . immer_ginv.R . immer_hrm.R . immer_hrm_simulate.R . immer_hrm_verbose_iterations.R . immer_ic_calc.R . immer_ic_hrm.R . immer_identifiers_relabel.R . immer_install.R . immer_jml.R . immer_jml_calc_item_intercepts.R . immer_jml_calc_loglike.R . immer_jml_center_theta.R . immer_jml_facets.R . immer_jml_facets_calc_probs.R . immer_jml_facets_proc_data.R . immer_jml_facets_update_main_effects.R . immer_jml_facets_update_step_effects.R . immer_jml_ic.R . immer_jml_print_progress_line_search.R . immer_jml_proc_shortcut.R . immer_jml_update_item_R.R . immer_jml_update_item_Rcpp.R . immer_jml_update_theta_R.R . immer_jml_update_theta_Rcpp.R . immer_latent_regression.R . immer_matrix2.R . immer_matrix_add_names.R . immer_mcmc_draw_variance.R . immer_opcat.R . immer_osink.R . immer_proc_data.R . immer_prox.R . immer_reshape_wideformat.R . immer_rownorm.R . immer_sampling_calc_ratio.R . immer_score_person_adjusted.R . immer_summary_print_call.R . immer_summary_print_computation_time.R . immer_summary_print_ic.R . immer_summary_print_mcmc_output.R . immer_summary_print_objects.R . immer_summary_print_package_rsession.R . immer_trace.R . immer_trim_increment.R . immer_unique_patterns.R . immer_vector_add_names.R . inits_item_parameters.R . inits_raterpars_hrm.R . inits_theta_1dim.R . lc2_agreement.R . logLik_immer.R . loglik_hrm.R . lpcm_data_prep.R . lpcm_generate_design.R . lpcm_inits.R . plot.immer_hrm.R . prior_hrm.R . probs2logits.R . probs_gpcm.R . probs_gpcm_R.R . probs_hrm.R . probs_hrm_R.R . probs_pcm_one_item.R . round_squeeze.R . rtrnorm.R . sampling_hrm_a.R . sampling_hrm_b.R . sampling_hrm_mu_1dim.R . sampling_hrm_phi.R . sampling_hrm_psi.R . sampling_hrm_theta_1dim.R . sampling_hrm_xi.R . sampling_hrm_xi_item.R . summary.immer_agree2.R . summary.immer_ccml.R . summary.immer_cml.R . summary.immer_hrm.R . summary.immer_jml.R . summary.immer_latent_regression.R . summary.lc2_agreement.R . vcov.immer.R . zzz.R .  Full immer package functions and examples
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