Generates a per-column summary of missing values. Flags columns where
missingness exceeds a threshold.
Usage
prep_missingness_report(data, threshold = 20, cols = NULL)
Arguments
- data
Data frame.
- threshold
Numeric. Percentage threshold (0-100) above which a column
is flagged as high-missingness. Default 20.
- cols
Character vector. Subset of columns to report on. NULL = all.
Value
Data frame with columns: col_name, n_total, n_missing, pct_missing,
is_high_missing.