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Type: Package
Title: Automating the Creation of Stan Code for TDCMs
Version: 3.0.0
Description: A collection of functions for automatically creating 'Stan' code for transition diagnostic classification models (TDCMs) as they are defined by Madison and Bradshaw (2018) <doi:10.1007/s11336-018-9638-5>. This package supports automating the creation of 'Stan' code for TDCMs, fungible TDCMs (i.e., TDCMs with item parameters constrained to be equal across all items), and multi-threaded TDCMs.
License: GPL-2 | GPL-3 [expanded from: GPL (≥ 2)]
Imports: dplyr (≥ 1.0.7), glue (≥ 1.4.2), magrittr (≥ 2.0.1), parallel (≥ 4.1.0), rlang (≥ 0.4.11), stringr (≥ 1.4.0), tibble (≥ 3.1.5), tidyr (≥ 1.1.4), tidyselect (≥ 1.1.2)
Suggests: readr (≥ 2.0.0), testthat (≥ 3.0.4)
Depends: R (≥ 3.5.0)
Encoding: UTF-8
RoxygenNote: 7.2.3
URL: https://github.com/atlas-aai/tdcmStan
BugReports: https://github.com/atlas-aai/tdcmStan/issues
NeedsCompilation: no
Packaged: 2024-03-27 16:09:02 UTC; jeff
Author: Jeffrey Hoover ORCID iD [aut, cre, cph], W. Jake Thompson ORCID iD [aut]
Maintainer: Jeffrey Hoover <jeffrey.c.hoover@gmail.com>
Repository: CRAN
Date/Publication: 2024-03-28 08:30:02 UTC

Creating a Class by Attribute Matrix

Description

Automating the creation of Class by Attribute Matrix

Usage

bin_profile(natt)

Arguments

natt

An integer containing the number of assessed attributes.

Value

'profiles' A tibbler containing a class by attribute matrix listing which attributes are mastered by each latent class.

Examples

bin_profile(natt = 3)

Creating Fungible TDCM with No Common Items Stan Code

Description

Automating the creation of fungible Stan code for a TDCM when there are no common items.

Usage

create_fng_no_common_items_stan_tdcm(q_matrix)

Arguments

q_matrix

A tibble containing the assessment Q-matrix.

Value

'stan_code' A list containing the text for the Stan code blocks.

Examples

qmatrix = tibble::tibble(att_1 = c(1, 0, 1, 0, 1, 1), att_2 = c(0, 1, 0, 1, 1, 1))
create_fng_no_common_items_stan_tdcm(q_matrix = qmatrix)

Creating Fungible TDCM Stan Code

Description

Automating the creation of fungible Stan code for a TDCM.

Usage

create_fng_stan_tdcm(q_matrix)

Arguments

q_matrix

A tibble containing the assessment Q-matrix.

Value

'stan_code' A list containing the text for the Stan code blocks.

Examples

qmatrix = tibble::tibble(att_1 = c(1, 0, 1, 0, 1, 1), att_2 = c(0, 1, 0, 1, 1, 1))
create_fng_stan_tdcm(q_matrix = qmatrix)

Creating TDCM Stan Code

Description

Automating the creation of Stan code for a TDCM.

Usage

create_stan_tdcm(q_matrix)

Arguments

q_matrix

A tibble containing the assessment Q-matrix.

Value

'stan_code' A list containing the text for the Stan code blocks.

Examples

qmatrix = tibble::tibble(att_1 = c(1, 0, 1, 0, 1, 1), att_2 = c(0, 1, 0, 1, 1, 1))
create_stan_tdcm(q_matrix = qmatrix)

Creating Multi-Threaded TDCM Stan Code

Description

Automating the creation of multi-threaded Stan code for a TDCM.

Usage

create_threaded_stan_tdcm(q_matrix)

Arguments

q_matrix

A tibble containing the assessment Q-matrix.

Value

'stan_code' A list containing the text for the Stan code blocks.

Examples

qmatrix = tibble::tibble(att_1 = c(1, 0, 1, 0, 1, 1), att_2 = c(0, 1, 0, 1, 1, 1))
create_threaded_stan_tdcm(q_matrix = qmatrix)

Calculate the Number of Shards and Simultaneous Chains

Description

Calculating the number of shards and simultaneous chains.

Usage

shard_calculator(num_respondents, num_responses, num_chains)

Arguments

num_respondents

An integer specifying the number of respondents.

num_responses

An integer specifying the number of responses.

num_chains

An integer specifying the number of chains that need to be run.

Value

'ret' A list containing the number of shards to use within each chain and the number of chains to run in parallel.

Examples

shard_calculator(num_respondents = 1000, num_responses = 5000, num_chains = 4)

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
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