orangejuice2: Orange juice data - Part 2

In qcc: Quality Control Charts

Description

A full description of the problem is given in orangejuice.

This dataset contains samples taken after the machine adjustment was made.

Usage

data(orangejuice)

Format

A data frame with 64 observations on the following 4 variables:

sample

sample id

D

number of defectives

size

sample sizes

trial

trial samples (TRUE/FALSE)

References

Montgomery, D.C. (1991) Introduction to Statistical Quality Control, 2nd ed, New York, John Wiley & Sons, pp. 155–159.

Examples

data(orangejuice2)
orangejuice2$d <- orangejuice2$D/orangejuice2$size
attach(orangejuice2)
summary(orangejuice2)
boxplot(d ~ trial)
mark <- ifelse(trial, 1, 2)
plot(sample, d, type="b", col=mark, pch=mark)
detach(orangejuice2)

Example output

Package 'qcc' version 2.7
Type 'citation("qcc")' for citing this R package in publications.
     sample            D               size      trial               d         
 Min.   :31.00   Min.   : 1.000   Min.   :50   Mode :logical   Min.   :0.0200  
 1st Qu.:46.75   1st Qu.: 4.000   1st Qu.:50   FALSE:40        1st Qu.:0.0800  
 Median :62.50   Median : 5.000   Median :50   TRUE :24        Median :0.1000  
 Mean   :62.50   Mean   : 5.484   Mean   :50                   Mean   :0.1097  
 3rd Qu.:78.25   3rd Qu.: 7.000   3rd Qu.:50                   3rd Qu.:0.1400  
 Max.   :94.00   Max.   :12.000   Max.   :50                   Max.   :0.2400  

qcc documentation built on May 2, 2019, 9:15 a.m.