Data for the batteries example

Description

This is a simulated data set of 18 measurements of the voltage of batteries using different voltmeters.

Usage

data(ss.data.batteries)

Format

A data frame with 18 observations on the following 4 variables.

voltmeter

a factor with levels 1 2

battery

a factor with levels 1 2 3

run

a factor with levels 1 2 3

voltage

a numeric vector

Note

This data set is used in chapter 5 of the book “Six Sigma with R” (see References).

Source

See references.

References

Cano, Emilio L., Moguerza, Javier M. and Redchuk, Andr<c3><83><c2><a9>s. 2012. Six Sigma with R. Statistical Engineering for Process Improvement, Use R!, vol. 36. Springer, New York. http://www.springer.com/statistics/book/978-1-4614-3651-5.

See Also

ss.rr

Examples

data(ss.data.batteries)
summary(ss.data.batteries)
plot(voltage~voltmeter, data = ss.data.batteries)

Results

R version 3.3.1 (2016-06-21) -- "Bug in Your Hair"
Copyright (C) 2016 The R Foundation for Statistical Computing
Platform: x86_64-pc-linux-gnu (64-bit)

R is free software and comes with ABSOLUTELY NO WARRANTY.
You are welcome to redistribute it under certain conditions.
Type 'license()' or 'licence()' for distribution details.

R is a collaborative project with many contributors.
Type 'contributors()' for more information and
'citation()' on how to cite R or R packages in publications.

Type 'demo()' for some demos, 'help()' for on-line help, or
'help.start()' for an HTML browser interface to help.
Type 'q()' to quit R.

> library(SixSigma)
> png(filename="/home/ddbj/snapshot/RGM3/R_CC/result/SixSigma/ss.data.batteries.Rd_%03d_medium.png", width=480, height=480)
> ### Name: ss.data.batteries
> ### Title: Data for the batteries example
> ### Aliases: ss.data.batteries
> ### Keywords: data msa
> 
> ### ** Examples
> 
> data(ss.data.batteries)
> summary(ss.data.batteries)
 voltmeter battery run      voltage     
 1:9       1:6     1:6   Min.   :1.334  
 2:9       2:6     2:6   1st Qu.:1.464  
           3:6     3:6   Median :1.526  
                         Mean   :1.544  
                         3rd Qu.:1.590  
                         Max.   :1.842  
> plot(voltage~voltmeter, data = ss.data.batteries)
> 
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>