Description
Functions for cognitive diagnosis modeling and multidimensional item response modeling for dichotomous and polytomous item responses. This package enables the estimation of the DINA and DINO model (Junker & Sijtsma, 2001, <doi:10.1177/01466210122032064>), the multiple group (polytomous) GDINA model (de la Torre, 2011, <doi:10.1007/s11336-011-9207-7>), the multiple choice DINA model (de la Torre, 2009, <doi:10.1177/0146621608320523>), the general diagnostic model (GDM; von Davier, 2008, <doi:10.1348/000711007X193957>), the structured latent class model (SLCA; Formann, 1992, <doi:10.1080/01621459.1992.10475229>) and regularized latent class analysis (Chen, Li, Liu, & Ying, 2017, <doi:10.1007/s11336-016-9545-6>). See George, Robitzsch, Kiefer, Gross, and Uenlue (2017) <doi:10.18637/jss.v074.i02> or Robitzsch and George (2019, <doi:10.1007/978-3-030-05584-4_26>) for further details on estimation and the package structure. For tutorials on how to use the CDM package see George and Robitzsch (2015, <doi:10.20982/tqmp.11.3.p189>) as well as Ravand and Robitzsch (2015).
Downloads
5.2K
Last 30 days
1639th
17.8K
Last 90 days
83.1K
Last year
Trend: -23.1% (30d vs prior 30d)
62
Last 30 days
223
Last 90 days
659
Last year
Trend: -28.7% (30d vs prior 30d)
6
Last 7 days
28
Last 30 days
2
All-time
autoCRAN-only: this name is served only by autoCRAN, so the count is exact.
CRAN Check Status
Show all 13 flavors
| Flavor | Status |
|---|---|
| r-devel-linux-x86_64-debian-clang | OK |
| r-devel-linux-x86_64-debian-gcc | OK |
| r-devel-linux-x86_64-fedora-clang | OK |
| r-devel-linux-x86_64-fedora-gcc | OK |
| r-devel-windows-x86_64 | OK |
| r-oldrel-macos-arm64 | OK |
| r-oldrel-macos-x86_64 | OK |
| r-oldrel-windows-x86_64 | OK |
| r-patched-linux-x86_64 | OK |
| r-release-linux-x86_64 | OK |
| r-release-macos-arm64 | OK |
| r-release-macos-x86_64 | OK |
| r-release-windows-x86_64 | OK |
Check History
OK 12 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 25, 2026
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 22, 2026
installed package size
installed size is 6.9Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 4.1Mb
installed package size
installed size is 6.5Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 3.6Mb
ERROR 11 OK · 2 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 18, 2026
whether package can be installed
Installation failed. See 'd:/Rcompile/CRANpkg/local/4.6/CDM.Rcheck/00install.out' for details.
installed package size
installed size is 6.9Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 4.1Mb
installed package size
installed size is 6.5Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 3.6Mb
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 30, 2026
installed package size
installed size is 6.9Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 4.1Mb
installed package size
installed size is 6.5Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 3.6Mb
ERROR 11 OK · 2 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Mar 27, 2026
whether package can be installed
Installation failed. See ‘/data/gannet/ripley/R/packages/tests-clang/CDM.Rcheck/00install.out’ for details.
installed package size
installed size is 6.9Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 4.1Mb
installed package size
installed size is 6.5Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 3.6Mb
NOTE 12 OK · 2 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
installed package size
installed size is 6.9Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 4.1Mb
installed package size
installed size is 6.5Mb
sub-directories of 1Mb or more:
data 1.3Mb
libs 3.6Mb