qAnalyst-package {qAnalyst} | R Documentation |
Creates xbar, s, r, i, mr, p, np, c, u chart. Perform capability analysis for both normal and non normal data.
Package: | qAnalyst |
Type: | Package |
Version: | 0.6.4 |
Date: | 2011-01-14 |
License: | GPL -2 |
Function spc
and capability
create objects of class spc
and capability
respectively.
Charts of type xbar, r, s, i, mr, p, np, c and may be handled by spc
objects.
Generic methods plot, print and summary exist for spc
and capability
objects.
Andrea Spano'
Maintainer: Andrea Spano' andrea.spano@quantide.com
Montgomery, Statistical Quality Control
# A simple x bar chart
# Data: cranks
data(cranks)
x = cranks$crankshaft
sg = cranks$workingDay
go = spc(x = x, sg = sg, type = "xbar")
plot(go)
print(go)
summary(go)
rm(go)
# Capability example
# Data: cranks
data(cranks)
x = cranks$crankshaft
sg = cranks$workingDay
go = capabilityNormal(x = x, sg = sg, lsl = -10, usl = 10, target = 0)
plot(go)
print(go)
summary(go)
rm(go)