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)