Convert Value into Missing Values — convert_to_missing_value • ADNIMERGE2

This function is used to convert specific value into missing values.

Usage

convert_to_missing_value(
  .data,
  col_name = NULL,
  value = "-4",
  missing_char = NA,
  phase = NULL
)

Arguments

.data: Data.frame
col_name: Variable name
value: Specific value that will be considered as missing value, Default: '-4'
missing_char: Character for missing value, Default: NA
phase: Phase-specific value replacement, Default: NULL for all ADNI phases

Value

A data frame with replaced value.

See also

Other functions to replace values: replace_values_dataset(), replace_values_phase_specific(), replace_values_single_var()

Examples

if (FALSE) { # \dontrun{
convert_to_missing_value(.data = ADNIMERGE2::ADAS_ADNIGO23)
} # }