cranks {qAnalyst}R Documentation

Cranks data set

Description

Cranks dataframe comes from an engines assembly department, where the deviation from an ideal position of a parts of the crankshaft are measured daily.

Usage

data(cranks)

Format

A data frame with 125 observations on the following 2 variables.

crankshaft

Distance in millimeters from the actual point of the crankshaft to the baseline position.

workingDay

Working day of the relevation. This is the subgroup id.

Details

Subgroups dimensions are not equal.

Source

Industrial data.

References

Cranks dataset can be used to show subgroups charts capabilities

Examples

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)

[Package qAnalyst version 0.6.4 Index]