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catSurv

Computerized Adaptive Testing for Survey Research

v1.6.0 · Oct 15, 2025 · GPL-3

Description

Provides methods of computerized adaptive testing for survey researchers. See Montgomery and Rossiter (2020) <doi:10.1093/jssam/smz027>. Includes functionality for data fit with the classic item response methods including the latent trait model, the Birnbaum three parameter model, the graded response, and the generalized partial credit model. Additionally, includes several ability parameter estimation and item selection routines. During item selection, all calculations are done in compiled C++ code.

Downloads

CRAN

400

Last 30 days

10831st

994

Last 90 days

4.1K

Last year

Trend: +49.8% (30d vs prior 30d)

r2u CRAN

33

Last 30 days

127

Last 90 days

440

Last year

Trend: -26.7% (30d vs prior 30d)

CRAN Check Status

13 OK
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 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Apr 22, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-windows-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
ERROR 10 OK · 3 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Apr 18, 2026
ERROR r-devel-windows-x86_64

whether package can be installed

Installation failed.
See 'd:/Rcompile/CRANpkg/local/4.6/catSurv.Rcheck/00install.out' for details.
NOTE r-oldrel-macos-arm64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-windows-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 30, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-windows-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
ERROR 10 OK · 3 NOTE · 0 WARNING · 1 ERROR · 0 FAILURE Mar 27, 2026
ERROR r-devel-linux-x86_64-fedora-clang

whether package can be installed

Installation failed.
See ‘/data/gannet/ripley/R/packages/tests-clang/catSurv.Rcheck/00install.out’ for details.
NOTE r-oldrel-macos-arm64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-windows-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.
NOTE 11 OK · 3 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026
NOTE r-oldrel-macos-arm64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-macos-x86_64

installed package size

installed size is  7.0Mb
  sub-directories of 1Mb or more:
    libs   6.1Mb
NOTE r-oldrel-windows-x86_64

for GNU extensions in Makefiles

GNU make is a SystemRequirements.

Line coverage

Expression

Tests / Examples

Functions

276 24 exported

Complexity

2 avg / 12 max

Call network

276 nodes / 141 edges

Test coverage has not been measured for this package yet; nodes fall back to a neutral fill.

Loading call graph…

Lowest coverage

Per-function coverage is not measured for this package yet.

Code

Structure

Lines of code

17,804

Files

210

Compiled share

31.2%

Has compiled src

Yes

Language breakdown

R 5,418 (30.4%)C/C++/src 5,563 (31.2%)Tests 2,336 (13.1%)Docs 4,487 (25.2%)

API

Exported functions

26

Internal functions

2

Testing & CI

Has tests

Yes

Test-to-code ratio

0.43

testthat edition

CI present

No

CI type

[]

PR gated

No

Docs

Return-value doc rate

100%

\dontrun example ratio

5.6%

Roxygen coverage

96.2%

Has pkgdown

No

NEWS present

Yes

Health & Security signals

Informational signals; not verdicts.

on.exit coverage

0%

Unsafe pattern score

0

Dep constraint coverage

28.6%

Secret pattern count

0

Bundled 3rd-party code

2 items

Portability & License

Min R version

3.4

System requirements

1

C++ standard

License

GPL-3

License flags

SPDX valid, OSI approved

History

Versions

10

First release

2017-06-15

Latest release

2025-10-15

Avg cadence

302 days

Cold removal rate

100%

Dep drift

3

LOC over versions

v1.0.0: 11,464 LOCv1.0.1: 11,466 LOCv1.0.2: 12,397 LOCv1.0.3: 13,442 LOCv1.1.3: 17,426 LOCv1.2.0: 17,581 LOCv1.3.0: 17,691 LOCv1.4.0: 17,775 LOCv1.5.0: 17,792 LOCv1.6.0: 17,804 LOC

Per-file churn detail lives in the source pipeline: https://github.com/r-observatory/cran-code-metrics.

Dependency Network

Dependencies Reverse dependencies ltm jsonlite plyr Rcpp RcppParallel catSurv

Version History

11 tracked
new 1.6.0 Mar 10, 2026
updated 1.6.0 ← 1.5.0 diff Oct 14, 2025
updated 1.5.0 ← 1.4.0 diff Dec 2, 2022
updated 1.4.0 ← 1.3.0 diff Sep 24, 2021
updated 1.3.0 ← 1.2.0 diff Oct 5, 2020
updated 1.2.0 ← 1.1.3 diff Dec 8, 2019
updated 1.1.3 ← 1.0.3 diff Nov 18, 2019
updated 1.0.3 ← 1.0.2 diff Jul 5, 2017
updated 1.0.2 ← 1.0.1 diff Jun 26, 2017
updated 1.0.1 ← 1.0.0 diff Jun 15, 2017
new 1.0.0 Jun 14, 2017