Last data update: 2014.03.03

R: Metal Plates thickness (extended)
ss.data.thickness2R Documentation

Metal Plates thickness (extended)

Description

This data set contains the thickness and additional data for 84 metal plates.

Usage

data("ss.data.thickness2")

Format

A data frame with 84 observations on the following 5 variables.

day

a factor with the day (seven days)

shift

a factor with the shift (two shifts)

thickness

a numeric vector with the thickness (in)

ushift

a factor with the day-shift combination

flaws

an integer vector with the number of flaws on the surface of sampled plates

Details

This data set illustrates concepts in the book “Quality Control with R”.

Source

Examples 8.1 and 9.9 in the reference below.

References

Cano, E.L. and Moguerza, J.M. and Prieto Corcoba, M. (2015) Quality Control with R. An ISO Standards Approach. Springer.

Examples


data(ss.data.thickness2)
str(ss.data.thickness2) 
lattice::dotplot(thickness ~ shift | day,
    data = ss.data.thickness2,
    layout = c(7, 1))

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.thickness2.Rd_%03d_medium.png", width=480, height=480)
> ### Name: ss.data.thickness2
> ### Title: Metal Plates thickness (extended)
> ### Aliases: ss.data.thickness2
> ### Keywords: datasets
> 
> ### ** Examples
> 
> 
> data(ss.data.thickness2)
> str(ss.data.thickness2) 
'data.frame':	84 obs. of  5 variables:
 $ day      : Factor w/ 7 levels "1","2","3","4",..: 1 1 1 1 1 1 1 1 1 1 ...
 $ shift    : Factor w/ 2 levels "1","2": 1 1 1 1 1 1 2 2 2 2 ...
 $ thickness: num  0.713 0.776 0.743 0.713 0.747 0.753 0.749 0.726 0.774 0.744 ...
 $ ushift   : chr  "1.1" "1.1" "1.1" "1.1" ...
 $ flaws    : int  9 NA NA NA NA NA 2 7 9 NA ...
> lattice::dotplot(thickness ~ shift | day,
+     data = ss.data.thickness2,
+     layout = c(7, 1))
> 
> 
> 
> 
> 
> 
> dev.off()
null device 
          1 
>