climdex.pcic (version 0.7-2)

select.blocks.gt.length: Select blocks of TRUE values of sufficient length.

Description

Produces a sequence of booleans of the same length as input, with sequences of TRUE values shorter than n replaced with FALSE.

Usage

select.blocks.gt.length(d, n, na.value=FALSE)

Arguments

d

Sequence of booleans.

n

Longest sequence of TRUE to replace with FALSE.

na.value

Values to replace NAs with.

Value

• A vector of booleans, with the length n or less sequences of TRUE replaced with FALSE.

Details

This function takes a series of booleans and returns a sequence of booleans of equal length, with all sequences of TRUE of length n or shorter replaced with sequences of FALSE. NA values are replaced with na.value.

Examples

## Return only the first sequence of TRUE... second sequence will be FALSE.
foo <- select.blocks.gt.length(c(rep(TRUE, 4), FALSE, rep(TRUE, 3)), 3)