Package index • teal.transform

Data extract constructors Functions used to create transform instructions for `teal` applications.
`add_no_selected_choices()`	Add empty choice to choices selected
`all_choices()` `first_choice()` `last_choice()` `first_choices()` `last_choices()`	Bare constructor for `delayed_choices` object
`check_no_multiple_selection()`	Checks that the `extract_input` specification does not allow multiple selection
`choices_labeled()` `print(<choices_labeled>)`	Set "`<choice>:<label>`" type of names
`choices_selected()` `is.choices_selected()`	Choices selected
`data_extract_spec()`	Data extract input for `teal` modules
`filter_spec()`	Data extract filter specification
`get_extract_datanames()`	Gets names of the datasets from a list of `data_extract_spec` objects
`no_selected_as_NULL()`	Check select choices for no choice made
`select_spec()` `select_spec.delayed_data()` `select_spec.default()`	Column selection input specification
`split_by_sep()`	Split by separator (matched exactly)
`value_choices()`	Value labeling and filtering based on variable relationship
`variable_choices()`	Variable label extraction and custom selection from data
`resolve()`	Resolve delayed inputs by evaluating the code within the provided datasets
`resolve_delayed()`	Resolve delayed inputs by evaluating the code within the provided datasets
Data extract modules `teal` modules to generate transform expressions
`data_extract_multiple_srv()`	Creates a named list of `data_extract_srv` output
`data_extract_ui()`	`teal` data extraction module user-interface
`data_extract_srv()`	Extraction of the selector(s) details
`datanames_input()`	Help text with available datasets input
`merge_expression_module()`	Merge expression module
`merge_expression_srv()`	Data merge module server
`get_dataset_prefixed_col_names()`	Returns non-key column names from data
`get_anl_relabel_call()`	Gets the relabel call
`get_merge_call()`	Get merge call from a list of selectors
`get_relabel_call()`	Create relabel call from named character
`is_single_dataset()`	Verify uniform dataset source across data extract specification
`list_extract_spec()`	Make sure that the extract specification is in list format
`merge_datasets()`	Merge the datasets on the keys
`compose_and_enable_validators()`	Function to compose `validators` from `data_extract_multiple_srv`
Human-readable formatting of a data extract object
`format_data_extract()`	Formatting data extracts

Reference

Data extract constructors

Data extract modules

Human-readable formatting of a data extract object