Normalize value and variable labels

label_normalize removes special characters, whitespace, and other typical typing errors.

Usage

label_normalize(x)

var_label_normalize(x)

val_label_normalize(x)

Arguments

x

A character vector of labels to be normalized.

Value

Returns a suggested, normalized label without special characters. The var_label_normalize and val_label_normalize returns them in snake_case for programmatic use.

Details

var_label_normalize and val_label_normalize removes possible chunks from question identifiers.

The functions var_label_normalize and val_label_normalize may be differently implemented for various survey series.

See also

Other variable label harmonization functions: na_range_to_values()

Other harmonization functions: collect_val_labels(), crosswalk_surveys(), harmonize_na_values(), harmonize_survey_values(), harmonize_values(), harmonize_var_names(), is.crosswalk_table()

Other harmonization functions: collect_val_labels(), crosswalk_surveys(), harmonize_na_values(), harmonize_survey_values(), harmonize_values(), harmonize_var_names(), is.crosswalk_table()

Examples

label_normalize(
  c(
    "Don't know", " TRUST", "DO NOT  TRUST",
    "inap in Q.3", "Not 100%", "TRUST < 50%",
    "TRUST >=90%", "Verify & Check", "TRUST 99%+"
  )
)
#> [1] "do not know"       "trust"             "do not trust"     
#> [4] "inap in q 3"       "not 100 pct"       "trust lt 50 pct"  
#> [7] "trust ge 90 pct"   "verify and check"  "trust 99 pct plus"

var_label_normalize(
  c(
    "Q1_Do you trust the national government?",
    " Do you trust the European Commission"
  )
)
#> [1] "do_you_trust_the_national_government"
#> [2] "do_you_trust_the_european_commission"

val_label_normalize(
  c(
    "Q1_Do you trust the national government?",
    " Do you trust the European Commission"
  )
)
#> [1] "do_you_trust_the_national_government"
#> [2] "do_you_trust_the_european_commission"