R.utils (version 1.3.0)

seqToIntervals: Gets all contigous intervals of a vector of indices

Description

Gets all contigous intervals of a vector of indices.

Usage

## S3 method for class 'default':
seqToIntervals(idx, ...)

Arguments

idx
A vector of integer indices.
...
Not used.

See Also

*intervalsToSeq().

Examples

Run this code
x <- 1:10
y <- seqToIntervals(x)
print(y)  # [1 10]

x <- c(1:10, 15:18, 20)
y <- seqToIntervals(x)
print(y)  # [1 10; 15 18; 20 20]

z <- intervalsToSeq(y)
print(z)
stopifnot(all.equal(x,z))

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