CRAN Package Check Results for Package immer

Last updated on 2021-12-03 12:56:38 CET.

Flavor Version Tinstall Tcheck Ttotal Status Flags
r-devel-linux-x86_64-debian-clang 1.1-35 104.14 79.39 183.53 OK
r-devel-linux-x86_64-debian-gcc 1.1-35 72.71 58.61 131.32 ERROR
r-devel-linux-x86_64-fedora-clang 1.1-35 292.60 NOTE
r-devel-linux-x86_64-fedora-gcc 1.1-35 233.81 OK
r-devel-windows-x86_64-new-UL 1.1-35 138.00 150.00 288.00 OK
r-devel-windows-x86_64-new-TK 1.1-35 OK
r-devel-windows-x86_64-old 1.1-35 133.00 86.00 219.00 OK
r-patched-linux-x86_64 1.1-35 86.50 75.73 162.23 OK
r-patched-solaris-x86 1.1-35 229.80 OK
r-release-linux-x86_64 1.1-35 86.06 76.14 162.20 OK
r-release-macos-arm64 1.1-35 NOTE
r-release-macos-x86_64 1.1-35 NOTE
r-release-windows-ix86+x86_64 1.1-35 243.00 140.00 383.00 OK
r-oldrel-macos-x86_64 1.1-35 NOTE
r-oldrel-windows-ix86+x86_64 1.1-35 246.00 142.00 388.00 OK

Check Details

Version: 1.1-35
Check: examples
Result: ERROR
    Running examples in ‘immer-Ex.R’ failed
    The error most likely occurred in:
    
    > base::assign(".ptime", proc.time(), pos = "CheckExEnv")
    > ### Name: immer_ccml
    > ### Title: Composite Conditional Maximum Likelihood Estimation for the
    > ### Partial Credit Model with a Design Matrix for Item Parameters
    > ### Aliases: immer_ccml summary.immer_ccml coef.immer_ccml vcov.immer_ccml
    >
    > ### ** Examples
    >
    > #############################################################################
    > # EXAMPLE 1: Partial credit model with CCML estimation
    > #############################################################################
    >
    > library(TAM)
    Loading required package: CDM
    Loading required package: mvtnorm
    **********************************
    ** CDM 7.5-15 (2020-03-10 14:19:21)
    ** Cognitive Diagnostic Models **
    **********************************
    
    * TAM 3.7-16 (2021-06-24 14:31:37)
    >
    > data(data.gpcm, package="TAM")
    > dat <- data.gpcm
    >
    > #-- initial MML estimation in TAM to create a design matrix
    > mod1a <- TAM::tam.mml(dat, irtmodel="PCM2")
    ....................................................
    Processing Data 2021-12-03 07:58:15
     * Response Data: 392 Persons and 3 Items
     * Numerical integration with 21 nodes
     * Created Design Matrices ( 2021-12-03 07:58:15 )
     * Calculated Sufficient Statistics ( 2021-12-03 07:58:15 )
    ....................................................
    Iteration 1 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2791.524
     Maximum item intercept parameter change: 0.772072
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.358296
    ....................................................
    Iteration 2 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2519.9775 | Absolute change: 271.5465 | Relative change: 0.1077575
     Maximum item intercept parameter change: 0.601556
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.047207
    ....................................................
    Iteration 3 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2473.158 | Absolute change: 46.8195 | Relative change: 0.01893104
     Maximum item intercept parameter change: 0.196329
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.009086
    ....................................................
    Iteration 4 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2466.8772 | Absolute change: 6.2808 | Relative change: 0.00254607
     Maximum item intercept parameter change: 0.124206
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002371
    ....................................................
    Iteration 5 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2465.5623 | Absolute change: 1.3149 | Relative change: 0.00053329
     Maximum item intercept parameter change: 0.064962
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000214
    ....................................................
    Iteration 6 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.998 | Absolute change: 0.5643 | Relative change: 0.00022893
     Maximum item intercept parameter change: 0.061585
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001587
    ....................................................
    Iteration 7 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.6893 | Absolute change: 0.3087 | Relative change: 0.00012524
     Maximum item intercept parameter change: 0.03452
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002399
    ....................................................
    Iteration 8 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.5237 | Absolute change: 0.1656 | Relative change: 6.721e-05
     Maximum item intercept parameter change: 0.032676
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002928
    ....................................................
    Iteration 9 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.419 | Absolute change: 0.1047 | Relative change: 4.249e-05
     Maximum item intercept parameter change: 0.020603
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.003194
    ....................................................
    Iteration 10 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.3499 | Absolute change: 0.069 | Relative change: 2.802e-05
     Maximum item intercept parameter change: 0.018585
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.003352
    ....................................................
    Iteration 11 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.3017 | Absolute change: 0.0482 | Relative change: 1.955e-05
     Maximum item intercept parameter change: 0.013054
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.003398
    ....................................................
    Iteration 12 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.2653 | Absolute change: 0.0365 | Relative change: 1.479e-05
     Maximum item intercept parameter change: 0.010356
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.003357
    ....................................................
    Iteration 13 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.2378 | Absolute change: 0.0275 | Relative change: 1.116e-05
     Maximum item intercept parameter change: 0.008519
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.00329
    ....................................................
    Iteration 14 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.2154 | Absolute change: 0.0224 | Relative change: 9.1e-06
     Maximum item intercept parameter change: 0.006743
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.00317
    ....................................................
    Iteration 15 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1975 | Absolute change: 0.0178 | Relative change: 7.24e-06
     Maximum item intercept parameter change: 0.005828
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.003063
    ....................................................
    Iteration 16 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1824 | Absolute change: 0.0151 | Relative change: 6.12e-06
     Maximum item intercept parameter change: 0.00499
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002878
    ....................................................
    Iteration 17 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.17 | Absolute change: 0.0124 | Relative change: 5.05e-06
     Maximum item intercept parameter change: 0.004111
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002747
    ....................................................
    Iteration 18 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1594 | Absolute change: 0.0106 | Relative change: 4.3e-06
     Maximum item intercept parameter change: 0.004047
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002556
    ....................................................
    Iteration 19 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1505 | Absolute change: 0.009 | Relative change: 3.63e-06
     Maximum item intercept parameter change: 0.003103
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002436
    ....................................................
    Iteration 20 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1428 | Absolute change: 0.0076 | Relative change: 3.1e-06
     Maximum item intercept parameter change: 0.003163
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002239
    ....................................................
    Iteration 21 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1363 | Absolute change: 0.0065 | Relative change: 2.63e-06
     Maximum item intercept parameter change: 0.002398
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.002123
    ....................................................
    Iteration 22 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1308 | Absolute change: 0.0055 | Relative change: 2.25e-06
     Maximum item intercept parameter change: 0.002551
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001949
    ....................................................
    Iteration 23 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1261 | Absolute change: 0.0047 | Relative change: 1.91e-06
     Maximum item intercept parameter change: 0.001962
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001839
    ....................................................
    Iteration 24 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.122 | Absolute change: 0.0041 | Relative change: 1.66e-06
     Maximum item intercept parameter change: 0.002015
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001697
    ....................................................
    Iteration 25 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1186 | Absolute change: 0.0034 | Relative change: 1.4e-06
     Maximum item intercept parameter change: 0.001547
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.00159
    ....................................................
    Iteration 26 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1156 | Absolute change: 0.003 | Relative change: 1.2e-06
     Maximum item intercept parameter change: 0.0016
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001462
    ....................................................
    Iteration 27 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1131 | Absolute change: 0.0025 | Relative change: 1.01e-06
     Maximum item intercept parameter change: 0.001287
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001365
    ....................................................
    Iteration 28 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.111 | Absolute change: 0.0021 | Relative change: 8.7e-07
     Maximum item intercept parameter change: 0.001355
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001254
    ....................................................
    Iteration 29 2021-12-03 07:58:15
    E Step
    M Step Intercepts |----
     Deviance = 2464.1092 | Absolute change: 0.0018 | Relative change: 7.4e-07
     Maximum item intercept parameter change: 0.001065
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001171
    ....................................................
    Iteration 30 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1076 | Absolute change: 0.0016 | Relative change: 6.3e-07
     Maximum item intercept parameter change: 0.001138
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001074
    ....................................................
    Iteration 31 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1063 | Absolute change: 0.0013 | Relative change: 5.3e-07
     Maximum item intercept parameter change: 0.000845
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.001001
    ....................................................
    Iteration 32 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1052 | Absolute change: 0.0011 | Relative change: 4.6e-07
     Maximum item intercept parameter change: 0.000972
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000917
    ....................................................
    Iteration 33 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1042 | Absolute change: 0.001 | Relative change: 3.9e-07
     Maximum item intercept parameter change: 0.000723
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000855
    ....................................................
    Iteration 34 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1034 | Absolute change: 8e-04 | Relative change: 3.3e-07
     Maximum item intercept parameter change: 0.00083
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000782
    ....................................................
    Iteration 35 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1027 | Absolute change: 7e-04 | Relative change: 2.8e-07
     Maximum item intercept parameter change: 0.000617
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000729
    ....................................................
    Iteration 36 2021-12-03 07:58:15
    E Step
    M Step Intercepts |---
     Deviance = 2464.1021 | Absolute change: 6e-04 | Relative change: 2.4e-07
     Maximum item intercept parameter change: 0.000708
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000667
    ....................................................
    Iteration 37 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.1016 | Absolute change: 5e-04 | Relative change: 2e-07
     Maximum item intercept parameter change: 0.000464
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000621
    ....................................................
    Iteration 38 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.1012 | Absolute change: 4e-04 | Relative change: 1.7e-07
     Maximum item intercept parameter change: 0.00059
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000565
    ....................................................
    Iteration 39 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.1008 | Absolute change: 4e-04 | Relative change: 1.5e-07
     Maximum item intercept parameter change: 0.000408
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000526
    ....................................................
    Iteration 40 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.1005 | Absolute change: 3e-04 | Relative change: 1.2e-07
     Maximum item intercept parameter change: 0.000513
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000482
    ....................................................
    Iteration 41 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.1003 | Absolute change: 3e-04 | Relative change: 1.1e-07
     Maximum item intercept parameter change: 0.000354
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000447
    ....................................................
    Iteration 42 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.1 | Absolute change: 2e-04 | Relative change: 9e-08
     Maximum item intercept parameter change: 0.000441
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000409
    ....................................................
    Iteration 43 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0999 | Absolute change: 2e-04 | Relative change: 8e-08
     Maximum item intercept parameter change: 0.000305
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000381
    ....................................................
    Iteration 44 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0997 | Absolute change: 2e-04 | Relative change: 7e-08
     Maximum item intercept parameter change: 0.000379
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000349
    ....................................................
    Iteration 45 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0996 | Absolute change: 1e-04 | Relative change: 6e-08
     Maximum item intercept parameter change: 0.000262
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000324
    ....................................................
    Iteration 46 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0994 | Absolute change: 1e-04 | Relative change: 5e-08
     Maximum item intercept parameter change: 0.000323
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000297
    ....................................................
    Iteration 47 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0993 | Absolute change: 1e-04 | Relative change: 4e-08
     Maximum item intercept parameter change: 0.000224
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000276
    ....................................................
    Iteration 48 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0993 | Absolute change: 1e-04 | Relative change: 3e-08
     Maximum item intercept parameter change: 0.000277
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000253
    ....................................................
    Iteration 49 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0992 | Absolute change: 1e-04 | Relative change: 3e-08
     Maximum item intercept parameter change: 0.000192
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000235
    ....................................................
    Iteration 50 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0991 | Absolute change: 1e-04 | Relative change: 2e-08
     Maximum item intercept parameter change: 0.000236
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000215
    ....................................................
    Iteration 51 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0991 | Absolute change: 1e-04 | Relative change: 2e-08
     Maximum item intercept parameter change: 0.000163
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 2e-04
    ....................................................
    Iteration 52 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.099 | Absolute change: 0 | Relative change: 2e-08
     Maximum item intercept parameter change: 0.000201
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000183
    ....................................................
    Iteration 53 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.099 | Absolute change: 0 | Relative change: 2e-08
     Maximum item intercept parameter change: 0.000139
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.00017
    ....................................................
    Iteration 54 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.099 | Absolute change: 0 | Relative change: 1e-08
     Maximum item intercept parameter change: 0.000171
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000156
    ....................................................
    Iteration 55 2021-12-03 07:58:15
    E Step
    M Step Intercepts |-
     Deviance = 2464.0989 | Absolute change: 0 | Relative change: 1e-08
     Maximum item intercept parameter change: 9.8e-05
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000145
    ....................................................
    Iteration 56 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0989 | Absolute change: 0 | Relative change: 1e-08
     Maximum item intercept parameter change: 0.000155
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000131
    ....................................................
    Iteration 57 2021-12-03 07:58:15
    E Step
    M Step Intercepts |-
     Deviance = 2464.0989 | Absolute change: 0 | Relative change: 1e-08
     Maximum item intercept parameter change: 8.9e-05
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000123
    ....................................................
    Iteration 58 2021-12-03 07:58:15
    E Step
    M Step Intercepts |--
     Deviance = 2464.0989 | Absolute change: 0 | Relative change: 1e-08
     Maximum item intercept parameter change: 0.000136
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000111
    ....................................................
    Iteration 59 2021-12-03 07:58:15
    E Step
    M Step Intercepts |-
     Deviance = 2464.0989 | Absolute change: 0 | Relative change: 1e-08
     Maximum item intercept parameter change: 7.9e-05
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 0.000105
    ....................................................
    Iteration 60 2021-12-03 07:58:15
    E Step
    M Step Intercepts |-
     Deviance = 2464.0988 | Absolute change: 0 | Relative change: 0
     Maximum item intercept parameter change: 9.8e-05
     Maximum item slope parameter change: 0
     Maximum regression parameter change: 0
     Maximum variance parameter change: 9.5e-05
    ....................................................
    Item Parameters
     xsi.index xsi.label est
    1 1 Comfort 1.2925
    2 2 Work 0.2775
    3 3 Benefit 0.6016
    4 4 Comfort_step1 -2.5943
    5 5 Comfort_step2 1.1627
    6 6 Work_step1 -1.9828
    7 7 Work_step2 0.5811
    8 8 Benefit_step1 -1.8336
    9 9 Benefit_step2 0.2266
    ...................................
    Regression Coefficients
     [,1]
    [1,] 0
    
    Variance:
     [,1]
    [1,] 0.6531
    
    
    EAP Reliability:
    [1] 0.451
    
    -----------------------------
    Start: 2021-12-03 07:58:15
    End: 2021-12-03 07:58:15
    Time difference of 0.3883669 secs
    
    > summary(mod1a)
    ------------------------------------------------------------
    TAM 3.7-16 (2021-06-24 14:31:37)
    R Under development (unstable) (2021-12-01 r81279) x86_64, linux-gnu | nodename=gimli2 | login=hornik
    
    Date of Analysis: 2021-12-03 07:58:15
    Time difference of 0.3883669 secs
    Computation time: 0.3883669
    
    Multidimensional Item Response Model in TAM
    
    IRT Model: PCM2
    Call:
    TAM::tam.mml(resp = dat, irtmodel = "PCM2")
    
    ------------------------------------------------------------
    Number of iterations = 60
    Numeric integration with 21 integration points
    
    Deviance = 2464.1
    Log likelihood = -1232.05
    Number of persons = 392
    Number of persons used = 392
    Number of items = 3
    Number of estimated parameters = 10
     Item threshold parameters = 9
     Item slope parameters = 0
     Regression parameters = 0
     Variance/covariance parameters = 1
    
    AIC = 2484 | penalty=20 | AIC=-2*LL + 2*p
    AIC3 = 2494 | penalty=30 | AIC3=-2*LL + 3*p
    BIC = 2524 | penalty=59.71 | BIC=-2*LL + log(n)*p
    aBIC = 2492 | penalty=27.88 | aBIC=-2*LL + log((n-2)/24)*p (adjusted BIC)
    CAIC = 2534 | penalty=69.71 | CAIC=-2*LL + [log(n)+1]*p (consistent AIC)
    AICc = 2485 | penalty=20.58 | AICc=-2*LL + 2*p + 2*p*(p+1)/(n-p-1) (bias corrected AIC)
    GHP = 1.05616 | GHP=( -LL + p ) / (#Persons * #Items) (Gilula-Haberman log penalty)
    
    ------------------------------------------------------------
    EAP Reliability
    [1] 0.451
    ------------------------------------------------------------
    Covariances and Variances
     [,1]
    [1,] 0.653
    ------------------------------------------------------------
    Correlations and Standard Deviations (in the diagonal)
     [,1]
    [1,] 0.808
    ------------------------------------------------------------
    Regression Coefficients
     [,1]
    [1,] 0
    ------------------------------------------------------------
    Item Parameters -A*Xsi
    Error in Math.data.frame(list(item = c("Comfort", "Work", "Benefit"), :
     non-numeric-alike variable(s) in data frame: item
    Calls: summary ... tam_round_data_frame_print -> tam_round_data_frame -> Math.data.frame
    Execution halted
Flavor: r-devel-linux-x86_64-debian-gcc

Version: 1.1-35
Check: installed package size
Result: NOTE
     installed size is 5.6Mb
     sub-directories of 1Mb or more:
     libs 4.7Mb
Flavors: r-devel-linux-x86_64-fedora-clang, r-release-macos-arm64, r-release-macos-x86_64, r-oldrel-macos-x86_64

Version: 1.1-35
Check: Rd cross-references
Result: NOTE
    Undeclared package ‘mirt’ in Rd xrefs
Flavor: r-devel-linux-x86_64-fedora-clang