document_survey_item {retroharmonize}

Document survey item harmonization

Description

Document the current and historic coding and labelling of the variable.

Usage

document_survey_item(x)

Arguments

x

A labelled_spss_survey vector from a single survey or concatenated from several surveys.

Value

Returns a list of the current and historic coding, labelling of the valid range and missing values or range, the history of the variable names and the history of the survey IDs.

See Also

Other documentation functions: document_waves()

Examples

var1 <- labelled::labelled_spss(
x = c(1,0,1,1,0,8,9), 
labels = c("TRUST" = 1, 
           "NOT TRUST" = 0, 
           "DON'T KNOW" = 8, 
           "INAP. HERE" = 9), 
na_values = c(8,9))

var2 <- labelled::labelled_spss(
  x = c(2,2,8,9,1,1 ), 
  labels = c("Tend to trust" = 1, 
             "Tend not to trust" = 2, 
             "DK" = 8, 
             "Inap" = 9), 
  na_values = c(8,9))

h1 <- harmonize_values (
  x = var1, 
  harmonize_label = "Do you trust the European Union?",
harmonize_labels = list ( 
    from = c("^tend\\sto|^trust", "^tend\\snot|not\\strust", "^dk|^don", "^inap"), 
    to = c("trust", "not_trust", "do_not_know", "inap"),
  numeric_values = c(1,0,99997, 99999)), 
na_values = c("do_not_know" = 99997,
              "inap" = 99999), 
  id = "survey1",
)

h2 <- harmonize_values (
  x = var2, 
  harmonize_label = "Do you trust the European Union?",
  harmonize_labels = list ( 
    from = c("^tend\\sto|^trust", "^tend\\snot|not\\strust", "^dk|^don", "^inap"), 
    to = c("trust", "not_trust", "do_not_know", "inap"),
    numeric_values = c(1,0,99997, 99999)), 
  na_values = c("do_not_know" = 99997,
                "inap" = 99999), 
  id = "survey2"
)

h3 <- concatenate(h1, h2) 
document_survey_item(h3)