xefun (version 0.1.5)

conticnt: continuous counting

Description

It counts the number of continuous identical values.

Usage

conticnt(x, cnt = FALSE, ...)

Value

A integer vector indicating the number of continuous identical elements in x.

Arguments

x

a vector or data frame.

cnt

whether to count the number rows in each continuous groups.

...

ignored

Examples

# example I
x1 = c(0,0,0, 1,1,1)
conticnt(x1)
conticnt(x1, cnt=TRUE)

x2 = c(1, 2,2, 3,3,3)
conticnt(x2)
conticnt(x2, cnt=TRUE)

x3 = c('c','c','c', 'b','b', 'a')
conticnt(x3)
conticnt(x3, cnt=TRUE)

# example II
dt = data.frame(c1=x1, c2=x2, c3=x3)
conticnt(dt, col=c('c1', 'c2'))
conticnt(dt, col=c('c1', 'c2'), cnt = TRUE)