Heteroscedasticity Test Factory

Provides a registry of heteroscedasticity tests with metadata and convenience methods to run them with input validation. This is an alternative to the older environment-based registry used by runHeteroTests().

Usage

The shared instance test_factory can be used to register new tests and execute them. See register and run_test methods for details.

Methods

Public methods

• TestFactory$register()

• TestFactory$get_available()

• TestFactory$run_test()

• TestFactory$clone()

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Method register()

Usage

TestFactory$register(name, func, metadata = list())

Arguments

name

Name of the test

func

Function with arguments model and data

metadata

Optional list with metadata fields

Returns

Invisibly returns the factory Get available tests

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Method get_available()

Usage

TestFactory$get_available(data_type = NULL, min_n = NULL)

Arguments

data_type

Filter by supported data type

min_n

Filter by minimum observations

Returns

Character vector of test names Run a registered test

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Method run_test()

Usage

TestFactory$run_test(test_name, model, data, ...)

Arguments

test_name

Name of the test

model

Fitted model

data

Data frame used to fit the model

...

Additional arguments passed to the test

Returns

Result of the test

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Method clone()

The objects of this class are cloneable with this method.

Usage

TestFactory$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.