updates {spcadjust}

Updates of a Control Chart

Description

Computes updates of a control chart using the given parameters and the given data.

Usage

updates(chart, xi, data)

## S4 method for signature 'SPCchart'
updates(chart, xi, data)

## S4 method for signature 'SPCShew'
updates(chart, xi, data)

Arguments

chart

the control chart.

xi

the parameters used for running the chart.

data

the observed data.

Value

A vector of the same length as data.

Methods (by class)

• SPCchart: Standard method which simply first applies getresiduals from the data model.

• SPCShew: Computes the updates taking into account if the chart is one-sided or two-sided.