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Returns controlled vocabulary options for parameter type subcategories.

Usage

parameter_types_sub_vocabulary()

Value

A character vector of parameter type subcategory options

Details

Provides more specific classifications derived from the parameters dataset. The list is dynamically generated from unique PARAMETER_TYPE_SUB values and includes options such as:

Mixture

Not reported

All unique sub-types from parameters_vocabulary() (e.g., Carbon, Inorganic compounds, Organic compounds, etc.)