Version: 1.14
Category: NOTE * changed output of 'sim.raschtype' which is now of
class data frame
Text:
Version: 1.14
Category: NOTE * added a not in 'lsem.estimate' that the model syntax
should be
Text: always specified in an object lavmodel (thanks to a communicated
problem of Jenny Wagner)
Version: 1.14
Category: NOTE * included utility function 'mcmc_Rhat' for computation
of the
Text: Rhat statistic from a single chain
Version: 1.14
Category: NOTE * added statistics of average conditional covariances
and MADCOV
Text: in 'conf.detect' and 'expl.detect'. An example for DETECT
analysis for simulated unidimensional data has been included
(Example 3) which shows that DETECT can become negative
(motivated by discussions with Berend Terluin, Weiyi Cheng,
Yifan Liu and Yunfei Chang)
Version: 1.14
Category: NOTE * added summary method for 'conf.detect
Text:
Version: 1.14
Category: NOTE * disabled default fixed seed in 'expl.detect
Text:
Version: 1.14
Category: DATA * included/modified datasets:
Text:
Version: 1.14
Category: EXAMP * included/modified examples: mcmc_Rhat (1),
conf.detect (3
Text:
Version: 1.13
Category: FIXED * fixed a bug in 'conf.detect' and 'expl.detect' with
too few
Text: items (routine crashed, thanks to Berend Terluin)
Version: 1.13
Category: FIXED * fixed a bug in data preprocessing in 'mlnormal'
function
Text:
Version: 1.13
Category: NOTE * included reference to subscore package in
'prmse.subscores.scales
Text:
Version: 1.13
Category: NOTE * extended output values in 'categorize' function
Text:
Version: 1.13
Category: NOTE * added arguments for boundary values of a, b, c and d
parameters
Text: in noncompensatory IRT model function 'smirt' (requested by
Chia-Ling Hsu)
Version: 1.13
Category: ADDED * added robust linking method for multiple studies
based on bisquare
Text: robust regression estimation in 'linking.haberman'. In addition,
a summary method has been added.
Version: 1.13
Category: NOTE * included functions 'starts_cov' and 'starts_sim1dim'
for the
Text: STARTS model of Kenny and Zautra
Version: 1.13
Category: DATA * included/modified datasets:
Text:
Version: 1.13
Category: EXAMP * included/modified examples: mlnormal (3),
linking.haberman (5
Text: starts_cov (1)
Version: 1.12
Category: NOTE * included utility function 'prior_model_parse' for
convenient
Text: specifications of priors for the 'amh' function
Version: 1.12
Category: NOTE * included utility function 'loglike_mvnorm' for
calculation
Text: of log-likelihood for a multivariate normal distribution based on
sufficient statistics
Version: 1.12
Category: ADDED * added deterministic optimization for Bayesian model
estimation
Text: in the function 'pmle' (penalized maximum likelihood estimation).
See the 'amh' help page.
Version: 1.12
Category: NOTE * fixed a bug in LSEM plot function for subsets of
parameters
Text: (thanks to Johanna Hartung)
Version: 1.12
Category: NOTE * corrected a bug in Example 1 in 'equating.rasch'
Text: (thanks to Kelvin Gregory)
Version: 1.12
Category: NOTE * changed labelling of response pattern in
'md.pattern.sirt
Text: to integers
Version: 1.12
Category: NOTE * included example in 'nedelsky-methods' for fitting the
Nedelsky
Text: model with xxirt function
Version: 1.12
Category: NOTE * added history of adaptive proposal standard deviations
in
Text: 'amh' function in output
Version: 1.12
Category: NOTE * added sampled parameter vector with highest value of
posterior
Text: distribution in 'amh' for comparison with 'pmle' function
Version: 1.12
Category: NOTE * added comparison of MAP, multivariate MAP and mean
estimator
Text: in 'amh' in value 'comp_estimators'. Now also included in
'summary.amh'.
Version: 1.12
Category: NOTE * Defunct functions: 'rasch.conquest', 'rasch.pml2' ,
'yen.q3
Text: 'testlet.yen.q3'
Version: 1.12
Category: NOTE * included utility functions 'CallSwitch' and
'parmsummary_extend
Text:
Version: 1.12
Category: NOTE * included utility functions 'pow', 'tracemat',
'soft_thresholding
Text: 'hard_thresholding', 'bounds_parameters', 'dimproper',
'ginverse_sym' (see '?sirt-utilities')
Version: 1.12
Category: ADDED * included estimation routine 'mlnormal' for
(restricted) maximum
Text: likelihood estimation for mean and covariance structures for a
multivariate normal distribution (e.g. multilevel models,
factor analysis, structural equation models, multilevel
structural equation models, social relations model, ...). Prior
distribution and lasso penalities are also accomodated.
Version: 1.12
Category: DATA * included/modified datasets:
Text:
Version: 1.12
Category: EXAMP * included/modified examples: prior_model_parse (1
Text: loglike_mvnorm (1), amh (1), equating.rasch (1), amh (1),
nedelsky-methods (1), sirt-utilities (1,2,3,4),
parmsummary_extend (1), mlnormal (1,2)
Version: 1.11
Category: FIXED * fixed a bug in 'mirt.wrapper.coef' which occured due
to
Text: changes in output structures of mirt package
Version: 1.11
Category: ADDED * added user defined item response model estimation
'xxirt' with
Text: corresponding S3 methods
Version: 1.11
Category: ADDED * added experimental adaptive Metropolis-Hastings
routine 'amh
Text: with corresponding S3 methods
Version: 1.11
Category: ADDED * added utility functions for objects of class
'mcmc.list' (from
Text: coda package): 'mcmc_coef', 'mcmc_vcov', ..., 'mcmc_WaldTest'
Version: 1.11
Category: NOTE * included inverse gamma distribution ('rinvgamma2')
with
Text: parametrization in prior sample size and prior variance
Version: 1.11
Category: DATA * included/modified datasets:
Text:
Version: 1.11
Category: EXAMP * included/modified examples: rasch.jml (1), xxirt (1,2
Text: xxirt_createParTable (1), xxirt_createThetaDistribution (1), amh
(1,2), mcmc_coef (1), rinvgamma2 (1)
Version: 1.10
Category: FIXED * fixed a bug in summary function of MCMC based item
Text: response models (thanks to Andres Burga)
Version: 1.10
Category: FIXED * fixed a bug in 'rasch.mml2' when using the 'center.b
Text: argument (thanks to Sarah Thomas)
Version: 1.10
Category: NOTE * renamed functions 'yen.q3' into 'Q3' and
'testlet.yen.q3
Text: into 'Q3.testlet'. The old function names can still be used.
Version: 1.10
Category: NOTE * included argument 'standardized' in 'lsem.estimate'
which
Text: adds standardized solutions in the output using
'lavaan::standardizedSolution' (thanks to Janina Kuenecke)
Version: 1.10
Category: NOTE * cleaned namespace file and defined imported functions
Text: in a more explicit way
Version: 1.10
Category: DATA * included/modified datasets:
Text:
Version: 1.10
Category: EXAMP * included/modified examples: lsem.estimate (1
Text:
Version: 1.9
Category: NOTE * allows thinning in 'plot.mcmc.sirt' function
Text:
Version: 1.9
Category: NOTE * fixed a minor bug in summary output of 'rasch.mml2'
for
Text: irtmodel='missing1'
Version: 1.9
Category: NOTE * included argument 'zerosum' in 'rasch.pairwise' and
Text: 'rasch.pairwise.itemcluster' to apply a zero sum constraint of
for item difficulties (suggested by Chen-Wei Liu)
Version: 1.9
Category: NOTE * included example for bootstrapping standard errors for
Text: 'rasch.pairwise' (suggested by Chen-Wei Liu)
Version: 1.9
Category: DATA * included/modified datasets:
Text:
Version: 1.9
Category: EXAMP * included/modified examples: rasch.pairwise (1
Text: dif.logistic.regression (2)
Version: 1.8
Category: NOTE * corrected a non-working example in 'lsem.estimate'
Text: (thanks to Takuya Yanagida)
Version: 1.8
Category: NOTE * changed defaults and outputs in
'mcmc.list.descriptives
Text: and 'plot.mcmc.sirt'
Version: 1.8
Category: ADDED * included argument 'est.delta' in 'rasch.mml2' for
item specific
Text: estimation of delta parameters in irtmodel='missing1'. Now, the
specification of est.delta has slightly been changed.
Version: 1.8
Category: ADDED * included function 'likelihood.adjustment' for
adjusting
Text: individual likelihood
Version: 1.8
Category: NOTE * disabled the broken plot method for 'noharm.sirt'
objects
Text:
Version: 1.8
Category: DATA * included/modified datasets:
Text:
Version: 1.8
Category: EXAMP * included/modified examples: lsem.estimate (1
Text: rasch.mml2 (7.12-14, 8), likelihood.adjustment (1)
Version: 1.7
Category: ADDED * included function 'btm' for estimating an extended
Bradley-Terry
Text: model (suggested and fixed by Chris Weadon)
Version: 1.7
Category: NOTE * added minimum and maximum values in summary of
'lsem.estimate
Text:
Version: 1.7
Category: NOTE * included JML estimation of Bradley-Terry model ('btm')
with
Text: elimination of persons with extreme scores
Version: 1.7
Category: NOTE * included infit and outfit statistics in 'btm
Text:
Version: 1.7
Category: NOTE * changed layout of summary of 'lsem.estimate' and
Text: 'plot.lsemPermutationTest'
Version: 1.7
Category: NOTE * added separation index for Bradley-Terry model
Text: (suggested by Sven De Maeyer)
Version: 1.7
Category: FIXED * fixed a bug in 'categorize' function
Text:
Version: 1.7
Category: DATA * included/modified datasets: data.pw01
Text:
Version: 1.7
Category: EXAMP * included/modified examples: btm (1,2
Text:
Version: 1.6
Category: NOTE * added arguments 'minnode' and 'maxnode' in
'R2conquest' which
Text: now allows full specification for the theta grid used in
numerical approximation
Version: 1.6
Category: FIXED * fixed a bug in 'truescore.irt' when no standard
errors were provided
Text:
Version: 1.6
Category: ADDED * added utility functions 'categorize' and
'decategorize' for
Text: categorizing variables in a data frame
Version: 1.6
Category: ADDED * added function 'lsem.estimate' for fitting local
structural
Text: equation models (LSEM). In addition, the permutation test is
implemented in 'lsem.permutationTest'.
Version: 1.6
Category: DATA * included/modified datasets: data.lsem01
Text:
Version: 1.6
Category: EXAMP * included/modified examples: categorize (1,2),
lsem.estimate (1
Text:
Version: 1.4
Category: NOTE * changed default for argument 'itemcodes' in R2conquest
fuction
Text:
Version: 1.4
Category: NOTE * included S3 methods for probabilistic Guttman model
'prob.guttman
Text:
Version: 1.4
Category: ADDED * included plot method for hierarchical rater model
'rm.sdt
Text:
Version: 1.4
Category: NOTE * changed calculation of transformed parameters in
'rm.sdt
Text:
Version: 1.4
Category: FIXED * fixed a bug in 'rm.sdt' for datasets with differing
number of
Text: item categories
Version: 1.4
Category: ADDED * added option for specifying a discrete latemt
variable in
Text: 'rm.sdt' function. Options for fixed item parameters were also
added.
Version: 1.4
Category: NOTE * added arguments for bounds of item slope and item
difficulty
Text: parameters in 'rasch.mml2' (requested by Aysenur Erdemir)
Version: 1.4
Category: ADDED * added option for estimating the missingness delta
parameter
Text: in 'rasch.mml2' and 'irtmodel="missing1"'
Version: 1.4
Category: FIXED * fixed a bug in 'rasch.mml2' for missing data models
and
Text: included CALL in summary
Version: 1.4
Category: FIXED * corrected missing output of individual likelihood and
posterior
Text: in 'rasch.mml2' for irtmodel='missing1'
Version: 1.4
Category: DATA * included/modified datasets: data.bs07a
Text:
Version: 1.4
Category: EXAMP * included/modified examples: data.eid (4.3a
Text: data.read (8e,9a), data.bs (07a), rm.sdt (2,3), rasch.mml2 (1,7)
Version: 1.3
Date: 2015-01-06
Category: NOTE * defined several S3 methods for 'rasch.copula2' and
Text: 'rasch.copula3'
Version: 1.3
Date: 2015-01-06
Category: NOTE * adapted S3 methods for mirt because the new class
Text: 'SingleGroupClass' is defined in mirt >= 1.7 and removed
'ConfirmatoryClass' and 'ExploratoryClass' methods
Version: 1.3
Date: 2015-01-06
Category: NOTE * exported the object pcm.fit (it was spuriously
Text: non-exported in sirt 1.2; reported by Sven Liepertz)
Version: 1.3
Date: 2015-01-06
Category: NOTE * included the argument 'ignore.pid' for ignoring person
Text: identifiers in 'R2conquest' function (suggested by Kelvin
Gregory)
Version: 1.3
Date: 2015-01-06
Category: NOTE * changed Example 1 in 'f1d.irt' due to a change in
Text: Suggests regarding the MASS package in the psych package which
caused an error in CRAN checks (suggested by William Revelle)
Version: 1.3
Date: 2015-01-06
Category: ADDED * included S3 methods logLik, IRT.likelihood,
IRT.posterior
Text: IRT.modelfit, summary.IRT.modelfit and IRT.irfprob for functions
'rasch.mml2', 'smirt', 'rasch.mirtlc', 'gom', 'rm.facets' and
'rm.sdt'
Version: 1.3
Date: 2015-01-06
Category: NOTE * extended modelfit.sirt for objects of class gom
Text:
Version: 1.3
Date: 2015-01-06
Category: ADDED * included function 'modelfit.cor.poly' for assessing
Text: absolute model fit for polytomous item responses
Version: 1.3
Date: 2015-01-06
Category: ADDED * included arguments for fixing item and rater
parameters in
Text: 'rm.facets'
Version: 1.3
Date: 2015-01-06
Category: ADDED * included IRT.factor.scores method for 'rm.facets' and
Text: 'rm.sdt'
Version: 1.3
Date: 2015-01-06
Category: ADDED * included function 'IRT.mle' for estimating MLE, WLE
and
Text: MAP factor scores with user defined item response functions
Version: 1.3
Date: 2015-01-06
Category: DATA * included/modified datasets:
Text:
Version: 1.3
Date: 2015-01-06
Category: EXAMP * included/modified examples: f1d.irt (1), rasch.mml2
(1
Text: rasch.mirtlc (1), gom.em (1), rm.facets (2), IRT.mle (1,2,3)
Version: 1.2
Date: 2014-12-12
Category: NOTE * included standard errors of WLE parameters in
'wle.rasch
Text:
Version: 1.2
Date: 2014-12-12
Category: NOTE * corrected formulas help file for 'pcm.conversion
Text: (thanks to Thomas Kiefer)
Version: 1.2
Date: 2014-12-12
Category: FIXED * fixed computational problems for calculating
tetrachoric
Text: correlation with empty cells in 'tetrachoric2' resp.
'polychoric2' (method of Olsson; thanks to a dataset privided
by Ulrike Kipman)
Version: 1.2
Date: 2014-12-12
Category: NOTE * included S3 methods IRT.likelihood, IRT.posterior and
Text: IRT.irfprob for two classes (ConfirmatoryClass and
ExploratoryClass) of mirt objects
Version: 1.2
Date: 2014-12-12
Category: ADDED * included item and person fit statistic in 'pcm.fit'
Text: for the partial credit model (suggested by Hiroyuki Yamada and
Sven Liepertz)
Version: 1.2
Date: 2014-12-12
Category: NOTE * included C-test dataset 'data.g308' from
Text: Schroeders et al. (2014)
Version: 1.2
Date: 2014-12-12
Category: NOTE * included several examples from the book of Eid
Text: and Schmidt: "Testtheorie und Testkonstruktion", see data.eid
Version: 1.2
Date: 2014-12-12
Category: DATA * included/modified datasets: data.g308, data.eid
Text:
Version: 1.2
Date: 2014-12-12
Category: EXAMP * included/modified examples: pcm.conversion (1
Text: pcm.fit (1,2,3), brm.sim (1), data.g308 (1), data.eid (1,2)
Version: 1.1
Date: 2014-11-23
Category: NOTE * included arguments for mean and covariance matrix for
Text: confirmatory multidimensional models in 'f1d.irt'
Version: 1.1
Date: 2014-11-23
Category: NOTE * removed 'lavaanify.sirt' from sirt package and
Text: included this function as 'lavaanify.IRT' in TAM package
Version: 1.1
Date: 2014-11-23
Category: FIXED * fixed a bug in 'lavaan2mirt' (thanks to Hong Giang
Pham)
Text:
Version: 1.1
Date: 2014-11-23
Category: NOTE * extended some person fit statistics to handle datasets
Text: with missing responses (thanks to Hiroyuki Yamada)
Version: 1.1
Date: 2014-11-23
Category: ADDED * included functions for estimating the Beta item
Text: response model for continuous item responses
Version: 1.1
Date: 2014-11-23
Category: DATA * included/modified datasets:
Text:
Version: 1.1
Date: 2014-11-23
Category: EXAMP * included/modified examples: f1d.irt (2), brm.sim (1
Text:
Version: 1.0
Category: NOTE * included argument 'progress' in 'gom.em' for optional
Text: printing of iteration progress
Version: 1.0
Category: NOTE * disabled warnings produced in 'rasch.mirtlc' by the
glm
Text: function
Version: 1.0
Category: FIXED * fixed a bug in calculating the posterior in
'mirt.wrapper
Text: for nonlinear item response models
Version: 1.0
Category: FIXED * fixed a bug in running exploratory factor analysis
with
Text: one dimension in noharm.sirt (thanks to Russell Zheng)
Version: 1.0
Category: FIXED * fixed a bug in datawide2long with Q-matrix input
Text:
Version: 1.0
Category: FIXED * fixed a bug in data handling in 'invariance.alignment
Text: with some missing intercepts and slopes
Version: 1.0
Category: ADDED * included an extension of lavaan syntax to accomodate
Text: guessing and slipping parameters and "__" (item shortage
declaration) -> function 'lavaanify.sirt' The function
lavaan2mirt also includes these options.
Version: 1.0
Category: NOTE * included coef and vcov method for function
'rasch.evm.pcm
Text:
Version: 1.0
Category: NOTE * included argument weights in 'dirichlet.mle
Text:
Version: 1.0
Category: NOTE * included utility function for conversion of different
Text: parameterizations in partial credit model
Version: 1.0
Category: NOTE * included helper function 'mirt.wrapper.itemplot'
Text:
Version: 1.0
Category: NOTE * enabled progress argument in rasch.copula functions
Text:
Version: 1.0
Category: NOTE * renamed DeCarlo's hierarchical rater model based on
Text: signal detection theory 'rm.hrm' into 'rm.sdt'
Version: 1.0
Category: NOTE * fixed an error in description of missing IRT models in
Text: 'rasch.mml2.Rd' (thanks to Carmen Koehler)
Version: 1.0
Category: NOTE * fixed a bug in 'tam2mirt' for polytomous items
Text: (thanks to Michal Modzelewski)
Version: 1.0
Category: ADDED * included function 'mirt.specify.partable' for
modifying
Text: a parameter table in mirt package
Version: 1.0
Category: NOTE * included argument item type for polytomous data in
'lavaan2mirt
Text:
Version: 1.0
Category: NOTE * updated 'lavaanify.sirt' function because of changes
in
Text: the lavaan::lavaanify function from lavaan 0.5-16 to the lavaan
0.5-17 package
Version: 1.0
Category: NOTE * changed mean constraint for rater parameters in
'rm.facets'
Text:
Version: 1.0
Category: ADDED * included estimation and simulation functions for the
Nedelsky model
Text: ('nedelsky.sim', 'nedelsky.irf')
Version: 1.0
Category: DATA * included/modified datasets: data.ratings2, data.si06,
data.ratings3
Text:
Version: 1.0
Category: EXAMP * included/modified examples: dirichlet.simul (1,2
Text: data.read (2), mirt.model.vars (1), rasch.mirtlc (4), data.long
(3,4), lavaanify.sirt (1), lavaan2mirt (1), dirichlet.mle
(1,2), pcm.conversion (1), data.big5 (1), mirt.specify.partable
(1), nedelsky-methods (1,2)
Version: 0.47
Category: ADDED * included wrapper function of mirt output of
extracting
Text: item parameters ('mirt.wrapper.coef')
Version: 0.47
Category: EXAMP * added more examples for model estimation in mirt
package
Text: using customized item response functions and/or customized latent
structure distributions o Ramsay's quotient model
('sim.qm.ramsay', Example 1) o Latent class analysis
('data.read', Model 7) o Mixed Rasch model ('data.read', Model
8) o Located latent class model/Latent class IRT model
('data.read', Model 12; 'rasch.mirtlc', Example 4, Model 4) o
Probabilistic Guttman model ('prob.guttman', Example 1, Model
3) o Nonparametric item response model with monotone item
response functions ('prob.guttman', Example 4, Model 4) o
Discrete grade of membership model ('gom.em', Simulated Example
2, Model 2m) o Multimensional item response model with discrete
traits ('data.read', Model 13) o DINA model ('data.read', Model
14) o Rasch copula model ('rasch.copula2', Example 5) o Rasch
model with non-normal distibution ('data.read', Model 15)
Version: 0.47
Category: ADDED * included wrapper function of mirt output for
extracting
Text: likelihood, posterior and expected counts
Version: 0.47
Category: ADDED * extended modelfit.sirt for fitted objects from mirt
package
Text:
Version: 0.47
Category: ADDED * included function 'lavaan2mirt' for converting syntax
for the
Text: lavaan package to syntax for the mirt package
Version: 0.47
Category: ADDED * included function 'tam2mirt' for converting a fitted
object
Text: in TAM package into an object of class mirt in the mirt package
Version: 0.47
Category: NOTE * corrected some typos and improved some examples
(thanks to Phil Chalmers
Text:
Version: 0.47
Category: EXAMP * included an example for running Mplus from within R
using the
Text: MplusAutomation package ('data.read', Model 1)
Version: 0.47
Category: NOTE * renamed functionrasch.conquest into R2conquest ->
function rasch.conquest
Text: can still be used
Version: 0.47
Category: ADDED * included function 'mirt.wrapper.fscores' for
computing EAPs, MAPs and MLEs
Text: for objects of class mirt
Version: 0.47
Category: DATA * included/modified datasets:
Text:
Version: 0.47
Category: EXAMP * included/modified examples: mirt.wrapper (1,2,3,4,5
Text: sim.qm.ramsay (1), modelfit.sirt (1), data.read
(1,3,7,8,12,13,14), lavaan2mirt (1,2,3), tam2mirt (1,2,3,4),
prob.guttman (1), gom.em (2), equating.rasch (1), data.reck
(2), rasch.mirtlc (4), rasch.copula2 (5)
Version: 0.46
Category: NOTE * used the operator '::' for functions which are used
from
Text: other packages than sirt in example files for datasets
Version: 0.46
Category: FIXED * fixed a bug in plot.noharm.sirt for unidimensional
models
Text:
Version: 0.46
Category: NOTE * fixed a minor bug in summary in 'summary.rasch.pml2
Text:
Version: 0.46
Category: NOTE * included argument 'use.maxincrement' for controlling
Text: increments in 'rasch.pml3'
Version: 0.46
Category: NOTE * speeded invariance alignment function and choose now
Text: different starting values to ensure a global minimum. Changed
also default parameters to obtain more stable results.
Version: 0.46
Category: NOTE * excluded plotting function of 'invariance.alignment
Text:
Version: 0.46
Category: NOTE * changed calculation of measures of noninvariance in
Text: invariance.alignment. Now, the noninvariance measures in
'invariance.alignment' and 'linking.haberman' are equivalent.
Version: 0.46
Category: DATA * included/modified datasets:
Text:
Version: 0.46
Category: EXAMP * included/modified examples: data.read, data.big5
Text: invariance.alignment (4,5)
Version: 0.45
Category: FIXED * fixed a bug in reliability calculation in noharm.sirt
Text:
Version: 0.45
Category: NOTE * included plots for 'noharm.sirt' using the semPlot
package
Text:
Version: 0.45
Category: ADDED * included first version of statistical implicative
analysis ('sia.sirt
Text:
Version: 0.45
Category: ADDED * included function 'rasch.conquest' for running
ConQuest from within R
Text:
Version: 0.45
Category: DATA * included/modified datasets:
Text:
Version: 0.45
Category: EXAMP * included/modified examples: data.mixed1, noharm.sirt
(1,2
Text: sia.sirt (1), data.read, rasch.evm.pcm (4)
Version: 0.44
Category: FIXED * fixed a bug in calculation of marginal parameters for
testlet model
Text:
Version: 0.44
Category: ADDED * included the partially compensatory item response
model
Text: (irtmodel='partcomp' in 'smirt')
Version: 0.44
Category: NOTE * speeded 'rasch.copula' functions a bit
Text:
Version: 0.44
Category: NOTE * included argument 'increment.factor' in rasch.copula
to improve
Text: convergence behavior
Version: 0.44
Category: FIXED * fixed a bug in 'rasch.mirtlc' in saved parameter
estimates for
Text: models with different initial estimates (n.starts>0)
Version: 0.44
Category: ADDED * included function for calculating marginal item
parameters for
Text: testlet (bifactor) model ('testlet.marginalized')
Version: 0.44
Category: ADDED * extended 'modelfit.sirt' for objects of class
tam.mml, tam.mml.2pl
Text: and tam.fa (from the TAM package)
Version: 0.44
Category: FIXED * fixed a bug in parsing residual matrix from NOHARM
output in 'R2noharm
Text:
Version: 0.44
Category: NOTE * extended output in mcmc.list. descriptives
Text:
Version: 0.44
Category: NOTE * changed chi square p value in R2noharm in Values
according to summary
Text:
Version: 0.44
Category: ADDED * included R implementation of NOHARM ('noharm.sirt
Text:
Version: 0.44
Category: NOTE * modelfit.sirt also allows for objects of class
noharm.sirt
Text:
Version: 0.44
Category: NOTE * included Divgi estimation method of tetrachoric
correlation
Text:
Version: 0.44
Category: ADDED * included maximum likelihood estimation of polychoric
correlation
Text:
Version: 0.44
Category: DATA * included/modified datasets:
Text:
Version: 0.44
Category: EXAMP * included/modified examples: data.wide2long (1), smirt
(3), modelfit.sirt (1
Text: R2noharm (4), mcmc.list.descriptives (1), noharm.sirt (1,2),
data.read, tetrachoric (2), polychoric2 (1)
Version: 0.43
Category: ADDED * included function 'isop.test' for testing the ISOP
model
Text:
Version: 0.43
Category: ADDED * included (non-iterative) eigenvector method for
estimating
Text: the partial credit model -> 'rasch.evm.pcm'
Version: 0.43
Category: NOTE * included argument 'ref.item' in rasch.mirtlc for
specification
Text: of reference items
Version: 0.43
Category: ADDED * included test of de Gooijer and Yuan (2011) that CSN
is non-positive
Text: -> 'unidim.test.csn'
Version: 0.43
Category: ADDED * included option for testing differential item
functioning in
Text: rasch.evm.pcm
Version: 0.43
Category: NOTE * changed convergence behavior in rasch.mirtlc for 2PL
models
Text:
Version: 0.43
Category: ADDED * robust linking alternative to mean-mean linking
('linking.robust
Text:
Version: 0.43
Category: NOTE * corrected output for hierarchical rater model ('rm.hrm
Text:
Version: 0.43
Category: ADDED * included simple latent class model for two
exchangeable raters
Text: ('lc.2raters')
Version: 0.43
Category: ADDED * extended unidimensional copula model to multiple
dimensions ('rasch.copula3
Text:
Version: 0.43
Category: NOTE * changed numerical differentiation parameters in
several functions
Text: to a smaller value
Version: 0.43
Category: ADDED * included missing data IRT model ('rasch.mml2',
irtmodel='missing1
Text:
Version: 0.43
Category: NOTE * included person (containing person parameters) as a
value in rasch.copula2
Text: and rasch.copula2
Version: 0.43
Category: FIXED * fixed a bug in 'testlet.yen.q3
Text:
Version: 0.43
Category: NOTE * allowed correlated residuals in reliability
calculation of
Text: 'reliability.nonlinearSEM'
Version: 0.43
Category: NOTE * included reliability estimation for pseudo maximum
likelihood
Text: estimation ('rasch.pml3')
Version: 0.43
Category: NOTE * included marginal item parameters in the output in
testlet model
Text: ('mcmc.3pno.testlet')
Version: 0.43
Category: DATA * included/modified datasets: data.reck73C1a,
data.reck73C1b
Text: data.reck75C2, data.reck78ExA, data.reck79ExB,
data.liking.science, data.si02, data.si03, data.si04, data.si05
Version: 0.43
Category: EXAMP * included/modified examples: isop.test (1),
rasch.evm.pcm (1,2,3,4,5,6
Text: data.reck (2,3), rasch.mirtlc (3,4,5), gom.em (2),
unidim.test.csn (1,2), gom.em (1), linking.robust (1,2,3),
lc.2raters (1), data.wide2long (2), rasch.copula (4),
rasch.mml2 (7), reliability.nonlinearSEM (1)
Version: 0.42
Category: NOTE * included further values in smirt to allow to apply
itemfit.sx2
Text: in the CDM package
Version: 0.42
Category: FIXED * fixed a bug in output of person parameters in smirt
(missing
Text: standard errors; thanks to Balal Izanloo)
Version: 0.42
Category: NOTE * included empirical item-attribute discriminations in
lsdm
Text:
Version: 0.42
Category: NOTE * changed NAMESPACE and DESCRIPTION files due to a
change in Rcpp
Text:
Version: 0.42
Category: FIXED * fixed a bug for constraint in mu for multidimensional
models
Text: in rasch.mml2
Version: 0.42
Category: FIXED * fixed warning messages when reading NOHARM output
files
Text:
Version: 0.42
Category: NOTE * stabilized estimation of tetrachoric correlation
coefficients
Text: for Tucker method (addition of cell sizes with a value .5)
Version: 0.42
Category: ADDED * included the method of Bonett and Price for
calculation a
Text: tetrachoric correlation
Version: 0.42
Category: NOTE * included additional outputs and item parameters for
the
Text: HRM-SDT (thanks to a discussion with Robin Gleeson)
Version: 0.42
Category: NOTE * extended modelfit.sirt to objects of class R2noharm
Text:
Version: 0.42
Category: DATA * included/modified datasets: data.timss07.G8.RUS,
data.reck611
Text:
Version: 0.42
Category: EXAMP * included/modified examples: fuzcluster (1),
modelfit.sirt (1
Text:
Version: 0.41
Category: ADDED * included maximum likelihood estimation for discrete
data in the
Text: belief function framework ('fuzdiscr')
Version: 0.41
Category: ADDED * included pseudo-log-likelihood estimation for
fractional item
Text: responses (values between 0 and 1) in 'rasch.mml2'
Version: 0.41
Category: ADDED * included clustering fur fuzzy continuous data (belief
function
Text: framework) ('fuzcluster')
Version: 0.41
Category: DATA * included datasets: data.pirlsmissing
Text:
Version: 0.41
Category: EXAMP * included examples: mcmc.2pno.ml (3), rasch.mml2 (7
Text:
Version: 0.40
Category: FIXED * fixed a bug in 'data.wide2long
Text:
Version: 0.40
Category: NOTE * changed Rcpp code in eigenvalue calculation due to a
CRAN request
Text:
Version: 0.40
Category: DATA * included datasets: data.big5.qgraph
Text:
Version: 0.40
Category: EXAMP * included examples:
Text:
Version: 0.39
Category: NOTE * included approximating function of expected percent
score in
Text: truescore.irt
Version: 0.39
Category: NOTE * added a check function for inits in smirt (thanks to
Balal Izanloo
Text:
Version: 0.39
Category: FIXED * fixed a bug in output of person parameters (thanks to
Balal Izanloo
Text:
Version: 0.39
Category: NOTE * speeded latent regression model
'latent.em.regression.raschtype
Text:
Version: 0.39
Category: ADDED * included latent.em.regression.normal for normally
distributed
Text: outcomes
Version: 0.39
Category: NOTE * included factor for convergence acceleration in
invariance.alignment
Text:
Version: 0.39
Category: NOTE * included summary for latent regression models
Text:
Version: 0.39
Category: ADDED * included function 'mle.pcm.group' for maximum
likelihood estimation
Text: in generalized item response models which includes an option for
estimating group parameters
Version: 0.39
Category: NOTE * changed algorithm in 'invariance.alignment' into a
two-step approach
Text:
Version: 0.39
Category: NOTE * included plot method for function
'invariance.alignment
Text:
Version: 0.39
Category: DATA * included datasets: data.inv4gr, data.ess2005,
data.mcdonald.rape
Text: data.si01
Version: 0.39
Category: EXAMP * included examples: lsdm (4,5), invariance.alignment
(3
Text: plausible.value.imputation.raschtype (2,3)
Version: 0.38
Category: ADDED * included function for automated finding of a scoring
key in
Text: a data frame with raw item responses ('automatic.recode')
Version: 0.38
Category: FIXED * fixed a bug in linking.haberman function
Text:
Version: 0.38
Category: NOTE * added argument personpars in linking.haberman for
transformation
Text: of person parameters
Version: 0.38
Category: ADDED * included alignment method for approximate invariance
Text: (Asparouhov & Muthen, 2013)
Version: 0.38
Category: ADDED * included function truescore.irt for conversion of
trait scores
Text: into true scores for unidimensional item response models
Version: 0.38
Category: DATA * included item parameters data.activity.itempars
Text:
Version: 0.37
Category: FIXED * fixed a bug in rasch.mirtlc with multiple starts in
latent
Text: class models
Version: 0.37
Category: NOTE * allowed input of student weights and product-moment
Text: matrix in R2noharm
Version: 0.37
Category: FIXED * fixed a bug in calculation of degrees of freedom in
R2noharm
Text: function
Version: 0.37
Category: FIXED * fixed a bug in linear transformation for person
parameters
Text: in linking.haberman
Version: 0.37
Category: ADDED * included eigenvalue decomposition function
'eigenvalues.sirt
Text:
Version: 0.37
Category: DATA * included datasets: 'data.noharmExC', 'data.mcdonald',
'data.reck
Text:
Version: 0.37
Category: DATA * included data conversion function 'data.wide2long'
Text:
Version: 0.37
Category: DATA * renamed 'data.noharm' into 'data.noharm18'
Text:
Version: 0.35
Category: NOTE * corrected legends and labels in plot.isop function
Text:
Version: 0.35
Category: ADDED * included function rowKSmallest2.sirt
Text:
Version: 0.35
Category: FIXED * fixed a bug in mcmc.3pno.testlet (thanks to
Chun-Hsien Wu
Text: -> removed parametrization 3 (bifactor model) because it produced
untrustworthy results
Version: 0.35
Category: NOTE * included gregmisc in imports (thanks to Jean-Paul Fox
Text:
Version: 0.35
Category: NOTE * disabled parametrization 2 in mcmc.3pno.testlet
Text: -> now only the original model from the Glas paper
(parametrization 1) is estimated
Version: 0.35
Category: NOTE * included argument for item parameter fixings in
Text: pairwise conditional likelihood function
rasch.pairwise.itemcluster
Version: 0.35
Category: NOTE * included ETS classification labels of uniform DIF in
Text: function dif.logistic.regression
Version: 0.35
Category: NOTE * included the option of not submitting any item strata
Text: to stratified.cronbach.alpha and an example for using the psych
package
Version: 0.35
Category: ADDED * included function 'md.pattern.sirt' for analyzing
Text: response patterns
Version: 0.35
Category: NOTE * included crossprod function in several sirt functions
Text:
Version: 0.35
Category: ADDED * included monotone nonparametric estimation in
'rasch.mml2
Text: as the default in case of irtmodel='npirt' and npformula=NULL
Version: 0.35
Category: NOTE * speeded irtmodel='npirt' in case of providing
npformula
Text:
Version: 0.35
Category: NOTE * included output of summary of testlet effects in
Text: mcmc.3pno.testlet
Version: 0.35
Category: ADDED * included the functional unidimensional model (Ip et
al. 2013
Text:
Version: 0.35
Category: ADDED * included the linking method of Haberman (2009
Text:
Version: 0.35
Category: NOTE * included plot method for rasch.mml2 function
Text:
Version: 0.35
Category: NOTE * removed rasch.testlet.glmer function
Text:
Version: 0.34
Category: ADDED * included estimation of ISOP and ADISOP models
Text:
Version: 0.34
Category: FIXED * fixed a bug in pbivnorm2 for negative correlations
Text:
Version: 0.34
Category: NOTE * included argument increment.factor in smirt to
Text: prevent nonconvergence (thanks to Balal Izanloo)
Version: 0.34
Category: ADDED * included rowwise maximum and minimum and rowwise
Text: cumulative sum of a matrix based on Rcpp code
Version: 0.34
Category: ADDED * included matrix functions rowIntervalIndex.sirt
Text: (useful for simulations) and rowKSmallest.sirt (useful for
sorting matrix entries, e.g. for predictive mean matching in
mice)
Version: 0.34
Category: FIXED * fixed a bug in mcmc.2pno.ml (thanks to Ronny Scherer
Text:
Version: 0.34
Category: ADDED * included matrix row and column wise monotone
regression
Text: function monoreg.rowwise (adapted from fdrtool package)
Version: 0.34
Category: ADDED * included graded response model estimation in
isop.poly
Text: function
Version: 0.34
Category: ADDED * included plot method for ISOP models (isop.dich and
Text: isop.poly)
Version: 0.34
Category: DATA * included example data.big5
Text:
Version: 0.34
Category: EXAMP * included an example for DETECT for polytomous data
Text:
Version: 0.32
Category: ADDED * included the estimation of the 2PL model via MCMC
(mcmc.2pno
Text:
Version: 0.32
Category: NOTE * included a function for estimating Rhat and MAP from
MCMC output
Text: (mcmc.list.descriptives)
Version: 0.32
Category: ADDED * included a function for writing coda files
(mcmclist2coda
Text:
Version: 0.32
Category: NOTE * renamed jacknife.rasch.jml into rasch.jml.jackknife1
Text:
Version: 0.32
Category: ADDED * included mcmc.2pnoh for estimating a hierarchical IRT
model
Text:
Version: 0.32
Category: ADDED * included mcmc.3pno.testlet for estimating IRT testlet
and
Text: bifactor models for dichotomous data
Version: 0.32
Category: ADDED * included mcmc.2pno.ml function for estimating a
multilevel
Text: IRT model for dichotomous and normally distributed data
Version: 0.32
Category: ADDED * included R2NOHARM functions into this package for
running
Text: NOHARM from within R
Version: 0.32
Category: NOTE * modelfit.sirt now allows objects of class smirt
Text:
Version: 0.32
Category: NOTE * speeded calculation of modelfit.sirt
Text:
Version: 0.32
Category: NOTE * speeded rasch.mml2, prob.guttman, rasch.mirtlc,
rm.facets, rm.hrm
Text:
Version: 0.31
Category: NOTE * speeded rasch.pml2 a bit
Text:
Version: 0.31
Category: FIXED * fixed a bug in smirt function (thanks to Izanloo
Balal
Text:
Version: 0.31
Category: ADDED * included function tetrachoric2 faster calculation
Text: of the tetrachoric correlation matrix
Version: 0.31
Category: ADDED * included pbivnorm2 for calculating the bivariate
normal integral
Text:
Version: 0.31
Category: NOTE * included rasch.pml3, a bit faster version than
rasch.pml2
Text:
Version: 0.31
Category: FIXED * eliminated warning statements in smirt and fixed a
bug in
Text: estimation of a and b parameters in smirt (thanks to Izanloo
Balal)
Version: 0.30
Category: NOTE * included a Rcpp function for faster calculations in
rm.hrm
Text: (now there is a dependency of Rcpp and RcppArmadillo)
Version: 0.30
Category: ADDED * included smirt function for estimating the
multdimensional
Text: noncompensatory and compensatory models
Version: 0.30
Category: ADDED * included variational approximation for the Rasch
model
Text:
Version: 0.30
Category: ADDED * included the (Rasch) grade of membership model
Text:
Version: 0.29
Category: ADDED * included function for computing eigenvalues and
inverses of
Text: many matrices
Version: 0.29
Category: ADDED * included facets models with item/rater intercepts and
slopes
Text:
Version: 0.29
Category: ADDED * included initial version of the hierarchical rater
model based on
Text: signal detection theory (DeCarlo et al., 2011)
Version: 0.29
Category: ADDED * included function for simulating and estimating the
Text: Dirichlet distribution
Version: 0.29
Category: ADDED * included grade of membership model with joint maximum
Text: likelihood estimation -> gom.jml
Version: 0.28
Category: NOTE * included standard errors in rasch.mml2
Text:
Version: 0.28
Category: ADDED * included marginal true score reliability for binary
item
Text: response data (Dimitrov, 2003; thanks to Ulrich Schroeders)
Version: 0.27
Category: ADDED * included classification accuracy in the Rasch model
Text:
Version: 0.27
Category: ADDED * implemented the multidimensional latent class Rasch
model
Text: (Bartolucci, 2007)
Version: 0.27
Category: NOTE * cleaning of help files, included several datasets and
Text: examples
Version: 0.27
Category: NOTE * included log-linear smoothing of the theta
distribution
Text: in rasch.mirtlc
Version: 0.27
Category: ADDED * included 2PL estimation in rasch.mirtlc
Text:
Version: 0.27
Category: ADDED * included global fit statistics in modelfit.sirt
Text:
Version: 0.27
Category: NOTE * included log-linear smoothing of the ability
distribution
Text: in rasch.mml2
Version: 0.27
Category: NOTE * accelerated rasch.pml function and renamed it into
rasch.pml2
Text:
Version: 0.27
Category: NOTE * allowed for linear constraints for residual
correlations
Text: in rasch.pml2
Version: 0.27
Category: NOTE * accelerated latent.regression.em.raschtype and
Text: plausible value routines
Version: 0.26
Category: NOTE * restructured rasch.mml2 function to get a bit more
compact code
Text:
Version: 0.26
Category: NOTE * do not export rasch.mml and rasch.copula anymore via
namespace
Text:
Version: 0.26
Category: ADDED * included nonparametric IRT function estimation in
rasch.mml2
Text: -> argument irtmodel='npirt' (Rossi, Wang & Ramsay, 2002)
Version: 0.26
Category: ADDED * included multidimensional models in rasch.mml2
Text:
Version: 0.26
Category: NOTE * added corrected AIC (AICc) in rasch.mml2 and
rasch.copula2
Text:
Version: 0.26
Category: NOTE * corrected mean and SD estimation in rasch.mml2
Text:
Version: 0.26
Category: FIXED * fixed a bug in the calculation of the number of
estimated parameters
Text: in rasch.copula2
Version: 0.26
Category: FIXED * corrected rasch.mml2 function in case of fixed
weights of
Text: trait distribution
Version: 0.26
Category: FIXED * corrected a bug in wle.rasch
Text:
Version: 0.26
Category: ADDED * included probabilistic Guttman model
Text:
Version: 0.26
Category: ADDED * added analytical bias correction method for JML
estimation of the Rasch model
Text:
Version: 0.26
Category: NOTE * accelerated PMML estimation algorithm
Text:
Version: 0.26
Category: ADDED * added 2PL estimation in rasch.pml
Text:
Version: 0.25
Category: FIXED * fixed bad numerical behavior in rasch.copula2 for
Cook-Johnson
Text: and Frank copula models
Version: 0.25
Category: NOTE * improved speed in yen.q3 and extended output
Text:
Version: 0.25
Category: NOTE * speed improvement in rasch.mml and rasch.copula2
Text:
Version: 0.25
Category: NOTE * included version rasch.mml2 with substantial speed
improvements
Text:
Version: 0.25
Category: NOTE * speed improvements for rasch.jml function
Text:
Version: 0.24
Category: NOTE * changed algorithms behavior of rasch.copula2
Text: (parameter increments depend on number of iterations)
Version: 0.24
Category: FIXED * corrected deviance calculation in rasch.copula
Text:
Version: 0.23
Category: NOTE * removed functions for running ConQuest from this
package
Text:
Version: 0.23
Category: ADDED * included Cook-Johnson and Frank copula in
rasch.copula2 function
Text:
Version: 0.23
Category: ADDED * included examples for wle.rasch.jackknife
Text:
Version: 0.23
Category: FIXED * removed a minor printing bug in rasch.copula
Text:
Version: 0.23
Category: FIXED * fixed a bug in jackknife.rasch.jml
Text:
Version: 0.23
Category: NOTE * included item parameter constraints in
jackknife.rasch.jml
Text:
Version: 0.23
Category: FIXED * corrected handling of extreme responses in rasch.prox
Text:
Version: 0.22
Category: ADDED * included estimation of residual error correlations in
rasch.pml
Text:
Version: 0.22
Category: NOTE * restructured rasch.testlet.glmer function
Text:
Version: 0.22
Category: DATA * included data set reading data.read
Text:
Version: 0.22
Category: NOTE * set a different default in rasch.mml (estimation of
trait SD seemed incorrect
Text:
Version: 0.22
Category: NOTE * rasch.testlet.glmer: output EAPs and EAP reliability
Text:
Version: 0.22
Category: NOTE * included loglog and cloglog link functions in
rasch.testlet.glmer
Text:
Version: 0.22
Category: ADDED * included jackknife estimation of the joint maximum
likelihood
Text: Rasch model
Version: 0.22
Category: NOTE * included a speeded version of rasch.copula and
labelled it
Text: as rasch.copula2 -> The old version rasch.copula remains in the
package.
Version: 0.22
Category: NOTE * output posterior distribition, EAP estimates and
Text: EAP reliability in rasch.copula
Version: 0.22
Category: ADDED * introduced probit and logit version of rasch.pml:
pairwise marginal
Text: likelihood estimation
Version: 0.22
Category: FIXED * removed some bugs (or inefficiencies) in numerical
differentiation
Text: in rasch.mml and rasch.copula
Version: 0.22
Category: NOTE * renamed sim.rasch.copula into sim.rasch.dep
Text:
Version: 0.22
Category: ADDED * included function rasch.pairwise.itemcluster for the
conditional
Text: pairwise estimation method for locally dependent items
Version: 0.22
Category: NOTE * package structure of sirtr is created
Text:
Version: 0.22
Category: ADDED * included simulation function for Rasch copula model
('sim.rasch.copula
Text: # older sirt versions (formerly sirtr up to 0.21)
Version: 0.21
Text:
Version: 0.20
Text:
Version: 0.19
Text:
Version: 0.18
Text:
Version: 0.17
Text:
Version: 0.16
Text:
Version: 0.15
Text:
Version: 0.14
Text:
Version: 0.13
Text:
Version: 0.12
Text:
Version: 0.11
Text:
Version: 0.10
Text:
Version: 0.9
Text:
Version: 0.8
Text:
Version: 0.7
Text:
Version: 0.6
Text:
Version: 0.5
Text:
Version: 0.4
Text:
Version: 0.3
Text:
Version: 0.2
Text:
Version: 0.1
Text:
Version: 0.0
Text: