fortify.cpt {ggfortify}

Convert changepoint::cpt and strucchange::breakpoints to data.frame

Description

Convert changepoint::cpt and strucchange::breakpoints to data.frame

Usage

## S3 method for class 'cpt'
fortify(model, data = NULL, is.date = NULL, ...)

Arguments

model

chantepoint::cpt or strucchange::breakpoints instance

data

original dataset, if needed

is.date

Logical frag indicates whether the stats::ts is date or not. If not provided, regard the input as date when the frequency is 4 or 12.

...

other arguments passed to methods

Value

data.frame

Examples

## Not run: 
library(changepoint)
fortify(cpt.mean(AirPassengers))
fortify(cpt.var(AirPassengers))
fortify(cpt.meanvar(AirPassengers))

library(strucchange)
bp.nile <- breakpoints(Nile ~ 1)
fortify(bp.nile)
fortify(breakpoints(bp.nile, breaks = 2))
fortify(breakpoints(bp.nile, breaks = 2), data = Nile)

## End(Not run)