cranks {qAnalyst} | R Documentation |
Cranks dataframe comes from an engines assembly department, where the deviation from an ideal position of a parts of the crankshaft are measured daily.
data(cranks)
A data frame with 125 observations on the following 2 variables.
crankshaft
workingDay
Subgroups dimensions are not equal.
Industrial data.
Cranks dataset can be used to show subgroups charts capabilities
data(cranks) xbarchart=spc(x=cranks$crankshaft, sg=cranks$workingDay, type="xbar", name="crankshaft") rbarchart=spc(x=cranks$crankshaft, sg=cranks$workingDay, type="r", name="crankshaft") plot(xbarchart) plot(rbarchart)