Format Percentage Columns

Formats percentage columns to a consistent decimal places with optional percent symbol. Useful for preparing results for publication.

Usage

formatPercentages(
  data,
  percent_cols = NULL,
  decimal_places = 1,
  add_symbol = TRUE
)

Arguments

data

Data frame or tibble

percent_cols

Character vector of column names to format as percentages. If NULL, attempts to detect columns with "percent", "pct", or "prop" in name.

decimal_places

Integer. Number of decimal places. Defaults to 1.

add_symbol

Logical. Add "%" symbol to values. Defaults to TRUE.

Value

Data frame with formatted percentage columns (as character)

Details

This function:

• Multiplies values by 100 if they are between 0 and 1 (proportions)

• Rounds to specified decimal places

• Optionally adds a percent symbol

• Converts to character for consistent display