brakeCap {qAnalyst}R Documentation

Brake capability dataset

Description

BrakeCap dataframes contains shoes brakes physical proprieties: hardness, centering, quencing. 50 batches of 5 elements each have been sampled.

Usage

data(brakeCap)

Format

A data frame with 250 observations on the following 4 variables:

hardness

brake hardness

centering

brake centering

quencing

brake quencing

subgroup

brake subgroup

Details

This dataset contains both measurement data both subgroups information

Source

Industrial data

References

Industrial data

Examples

data(brakeCap)
#x-bar control chart
hadnessSPCxb=spc(x=brakeCap$hardness, sg=brakeCap$subgroup, type="xbar", name="hardness")
plot(hadnessSPCxb)
summary(hadnessSPCxb)
#r control chart
hadnessSPCr=spc(x=brakeCap$hardness, sg=brakeCap$subgroup, type="r", name="hardness")
plot(hadnessSPCr)
summary(hadnessSPCr)
#process in control
#ok for
#capability analysis
hadnessCap=capabilityNormal(x=brakeCap$hardness, sg=brakeCap$subgroup, lsl=39, usl=41, 
    target=40.5, name="hardness")
summary(hadnessCap)
plot(hadnessCap)

[Package qAnalyst version 0.6.4 Index]