seqCollapse: Collapse a Sequence

In USGS-R/smwrBase: Functions to import and manipulate hydrologic data

Collapse a Sequence

Description

Collapse a numeric sequence into a compact form that represents continuous ranges and discontinuous values.

Usage

seqCollapse(x, sequential = "-", skips = ", ")

Arguments

x	an integer vector, missing values and repeated values are permitted and removed before collapsing.
sequential	the separator for sequential values.
skips	the separator for gaps in the sequence.

Value

A character string that represents that data in x in a compact form. If x is empty, then "" is returned.

Note

This function is commonly used to express years in a compact form.

See Also

paste

Examples

# A single value
seqCollapse(1968)
# A single, continuous range of values
seqCollapse(1968:1992)
# A collection of continuous and individual values
seqCollapse(c(1968:1992, 1998, 2002, 2006:2012))

USGS-R/smwrBase documentation built on Oct. 18, 2022, 9:55 a.m.