regDIF1.1.1 package

Binary item tracelines.

Binary item tracelines for proxy scores.

Binary item tracelines.

Coefficient function for regDIF function

Ordinal tracelines.

Ordinal tracelines using proxy data.

Partial derivatives for mean impact equation.

Partial derivatives for mean impact equation using proxy data.

Partial derivatives for binary items.

Partial derivatives for binary items by item-blocks.

Partial derivatives for binary items by item-blocks using observed sco...

Partial derivatives for binary items with proxy data.

Partial derivatives for ordinal items.

Partial derivatives for ordinal items.

Partial derivatives for ordinal items using proxy data.

Partial derivatives for continuous items.

Partial derivatives for continuous items using proxy data.

Partial derivatives for mean and variance impact equation.

Partial derivatives for mean and variance impact equation using observ...

Partial derivatives for mean parameter of continuous items.

Partial derivatives for mean parameter of continuous items with proxy ...

Partial derivatives for mean impact equation.

Partial derivatives for mean impact equation using proxy data.

Partial derivatives for variance parameter of continuous items.

Partial derivatives for variance parameter of continuous items with pr...

Penalized expectation-maximization algorithm.

Expectation step.

Expectation step with proxy data.

Continuous tracelines.

Continuous tracelines using proxy data.

Maximization step.

Maximization step.

Maximization step using latent variable and item response blocks.

Maximization step using coordinate descent optimization.

Maximization step using coordinate descent optimization.

Maximization step.

Plot function for regDIF function

Maximization step.

Pre-process data.

Print function for regDIF function

Regularized differential item functioning for IRT and CFA models.

Regularized Differential Item Functioning

Standard Errors for regDIF Model(s)

Summary function for regDIF function