Extract a Question Preface

Returns the question preface string for a single variable, or NULL if none has been set.

Usage

extract_question_preface(x, var)

Arguments

x

A survey design object.

var

<data-masked> Variable name (bare, unquoted).

Value

A character string, or NULL.

See also

set_question_preface() to set a question preface

Other metadata: extract_val_labels(), extract_var_label(), extract_var_note(), infer_question_prefaces(), set_question_preface(), set_question_prefaces(), set_val_labels(), set_value_labels(), set_var_label(), set_var_note(), set_variable_labels(), set_variable_notes(), survey_metadata(), survey_weighting_history()