Define numeric formats using pattern strings.
Usage
format_spec(
pattern = "a.a",
null_format = "--",
empty_format = "",
neg_format = "sign"
)
Arguments
- pattern
Format pattern string (default "a.a")
- null_format
String to display for NULL/NA values (default "–")
- empty_format
String to display for empty values (default "")
- neg_format
How to format negative numbers: "sign", "parens", or "abs"
Value
A FormatSpec object
Examples
if (FALSE) { # \dontrun{
fmt <- format_spec("xx.x")
apply_format(fmt, 12.345) # "12.3"
# Auto-width with 2 decimals
fmt <- format_spec("a.xx")
apply_format(fmt, c(1.5, 123.456)) # " 1.50", "123.46"
} # }
