spcadjust (version 0.9)

SPCCUSUMlogreg-class: Class "SPCCUSUMlogreg"

Description

Risk-adjusted CUSUM chart for binary responses based on a logistic regression model.

Objects from the Class

Objects can be created by calls of the form new("SPCCUSUMlogreg", ...).

Extends

Class "SPCCUSUMNonpar", directly. Class "SPCCUSUM", by class "SPCCUSUMNonpar", distance 2. Class "SPCchart", by class "SPCCUSUMNonpar", distance 3.

Examples

n <- 1000
Xlogreg <- data.frame(x1=rbinom(n,1,0.4), x2=runif(n,0,1), x3=rnorm(n))
xbeta <- -1+Xlogreg$x1*100+Xlogreg$x2+Xlogreg$x3
Xlogreg$y <- rbinom(n,1,exp(xbeta)/(1+exp(xbeta)))
chartlogreg <- new("SPCCUSUMlogreg",Delta= 1, formula="y~x1+x2+x3")
SPCproperty(data=Xlogreg,
            nrep=10,
            property=new("calARLCUSUM",chart=chartlogreg,target=100))
#increase nrep for real applications.