SubgroupSummary: Subgroup summary
In npremara/QCCTS: Quality Control Charts for Time Series

Description Usage Arguments Value Author(s) See Also Examples

View source: R/SubgroupSummary.R

Function gives subgroup size, mean, standard deviation, adjusted standard deviation, skewness, kurtosis and a table of control chart constants for subgroups in the given series.

1	SubgroupSummary(Subgroups, MaxSgpSize)

`Subgroups`	a series of subgroups
`MaxSgpSize`	possible maximum size of a subgroup

SgpSummary

Nadeeka Premarathna

Subgrouping

# Subgroup size
SubgroupCriteria="weeks"
#  load data
data(AAPL)
# divide into subgroups
StockPrice=window(AAPL[,"Close"],start=as.Date("2012-01-02"),end=as.Date("2014-12-31"))
Subgroups=Subgrouping(StockPrice,SubgroupCriteria,CountSgps=1)
# obtain the subgroup summary
SubgroupSummary(Subgroups,MaxSgpSize=5)