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mudfold  

Multiple UniDimensional unFOLDing
View on CRAN: Click here


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

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

Install by package version:
library("remotes")
install_version("mudfold", "1.1.21")



Attach the package and use:
library("mudfold")
Maintained by
Spyros Balafas
[Scholar Profile | Author Map]
First Published: 2017-03-30
Latest Update: 2022-11-24
Description:
Nonparametric unfolding item response theory (IRT) model for dichotomous data (see W.H. Van Schuur (1984). Structure in Political Beliefs: A New Model for Stochastic Unfolding with Application to European Party Activists, and W.J.Post (1992). Nonparametric Unfolding Models: A Latent Structure Approach). The package implements MUDFOLD (Multiple UniDimensional unFOLDing), an iterative item selection algorithm that constructs unfolding scales from dichotomous preferential-choice data without explicitly assuming a parametric form of the item response functions. Scale diagnostics from Post(1992) and estimates for the person locations proposed by Johnson(2006) and Van Schuur(1984) are also available. This model can be seen as the unfolding variant of Mokken(1971) scaling method.
How to cite:
Spyros Balafas (2017). mudfold: Multiple UniDimensional unFOLDing. R package version 1.1.21, https://cran.r-project.org/web/packages/mudfold. Accessed 30 Apr. 2025.
Previous versions and publish date:
1.0 (2017-03-30 18:36), 1.1.0 (2017-12-18 15:04), 1.1.1 (2018-12-10 09:50), 1.1.2 (2019-12-19 21:20)
Other packages that cited mudfold R package
View mudfold citation profile
Other R packages that mudfold depends, imports, suggests or enhances
Complete documentation for mudfold
Functions, R codes and Examples using the mudfold R package
Some associated functions: ANDRICH . CAM . EURPAR2 . ISO . Loneliness . MAX . Plato7 . as.mudfold . coef.mdf . diagnostics . mudfold-package . mudfold . mudfoldsim . pick . plot.mdf . print.mdf . summary.mdf . 
Some associated R codes: ADJ.R . CADJ.R . CAM.R . CAM_STAR.R . DOM.R . Err_exp.R . Err_exp_item.R . Err_exp_scale.R . Err_obs.R . Err_obs_item.R . Err_obs_scale.R . H_diagnostic.R . Hitem.R . Hscale.R . Htrip.R . ISO.R . ISO_diagnostic.R . MAX.R . MAX_diagnostic.R . STATSboot.R . as.mudfold.R . blocks.R . blots.R . boot.mdf.R . boot_bias_std.R . cbind.R . check.R . check.deprecated.R . coef.mdf.R . combinations.R . complete.R . data_check.R . design.R . diagnostics.R . edit.setup.R . fix.coef.R . formula.R . generics.R . getmode.R . handles.R . ibind.R . imports.R . initialize.chain.R . initialize.imp.R . internal.R . is.R . md.pairs.R . method.R . mice.R . mice.impute.logreg.R . mice.impute.sample.R . mice.mids.R . mice_impute_myfunc.R . mice_mudfold_noboot.R . mudfold.R . mudfold_fs.R . mudfold_se.R . mudfoldsim.R . nimp.R . param_est.R . parella_sim.R . parlmice.R . pick.R . plot.mdf.R . plot_irf.R . plot_persons.R . plot_scale.R . post.R . predictorMatrix.R . print.mdf.R . quickpred.R . rbind.R . sampler.R . summary.mdf.R . summary_mdf.R . summary_mdf_boot.R . supports.transparent.R . tidy.coef.R . validate.arguments.R . visitSequence.R . where.R .  Full mudfold package functions and examples
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