expand_wildcards {csquares}

Expand c-squares with wildcards to all matching c-squares

Description

The asterisk (*) can be used as a wildcard, for a compact notation of csquares. expand_wildcards will replace all wild cards with valid combinations of values and expands the compact notation to an explicit notation without wildcards. Check out vignette("wildcards") for more details.

Usage

expand_wildcards(x, csquares, ...)

Arguments

x

A character string containing csquares codes with wildcards (asterisk character); or a data.frame that contains a column with csquares codes with wildcards

csquares

When x is data.frame this argument should specify the column name that contains the csquares codes with wildcards.

...

ignored

Value

Returns a csquares object with full notation

Author(s)

Pepijn de Vries

Examples

expand_wildcards("1000:*")
expand_wildcards("1000:***")
expand_wildcards("1000:1**")
expand_wildcards("1000:***:*")
expand_wildcards(c("1000:*", "1000:***", "1000:1**", "1000:***:*"))

expand_wildcards(data.frame(csq = "1000:*", foo = "bar"), csquares = "csq")