Subgrouping: Divide into subgroups

In npremara/QCCTS: Quality Control Charts for Time Series

Description

Function divides the data series into subgroups according to the given criteria.

Usage

Subgrouping(Data, SubgroupCriteria, CountSgps)

Arguments

Data	a series of time series data (data type: zoo or xts)
SubgroupCriteria	length of the subgroups based on time, eg. "weeks", "months", if using daliy data
CountSgps	subgroups sizes further increase using CountSgps=2,3,4 eg. SubgroupCriteria="weeks", CountSgps=2 gives subgroups size of two weeks

Value

Subgropus

Author(s)

Nadeeka Premarathna

See Also

PartitioningSgps

Examples

SubgroupCriteria="weeks"
data(AAPL)
require(zoo)
StockPrice=window(AAPL[,"Close"],start=as.Date("2012-01-02"),end=as.Date("2014-12-31"))
Subgroups=Subgrouping(StockPrice,SubgroupCriteria,CountSgps=1)

npremara/QCCTS documentation built on May 5, 2019, 3:51 a.m.