normMax {desire} | R Documentation |
Desirability functions based on the normal distribution. These where developed by XXX in order to improve YYY.
normMax(LSL, USL) normMin(LSL, USL) normTarget(LSL, T, USL)
LSL |
Lower specification limit |
T |
Target value |
USL |
Upper specification limit |
normMin
and normMax
return functions implementing the specified
minimzation or maximizing desirability.
normTarget
returns a function implementing the specified
target desirability.
Heike Trautmann trautmann@statistik.tu-dortmund.de, Detlef Steuer steuer@hsu-hamburg.de and Olaf Mersmann olafm@statistik.tu-dortmund.de
XXX Technical Report ZZZ
harrington1
for one sided Harrington type desirabilities,
harrington2
for two sided Harrington type desirabilities
and derringerSuich
for Derringer-Suich type desirabilities.
## Create desirability functions: d1 <- normMin(-1, 1) d2 <- normMax(-1, 1) d3 <- normTarget(-1, 0, 1) ## Show shape of desirability function: opar <- par(mfrow=c(3,1)) plot(d1) plot(d2) plot(d3) par(opar) ## Show dsplot(log(x), d1, .5, 2) dsplot(sin(x), d2, -pi, pi) dsplot(cos(x), d3, 0, 2*pi)