dyedcloth: Dyed cloth data

In qcc: Quality Control Charts

Description

In a textile finishing plant, dyed cloth is inspected for the occurrence of defects per 50 square meters. The data on ten rolls of cloth are presented.

Usage

data(dyedcloth)

Format

A data frame with 10 observations on the following 2 variables.

x

number of nonconformities per 50 square meters (inspection units)

size

number of inspection units in roll (variable sample size)

References

Montgomery, D.C. (1991) Introduction to Statistical Quality Control, 2nd ed, New York, John Wiley & Sons, pp. 183–184

Examples

data(dyedcloth)
attach(dyedcloth)
summary(dyedcloth)
plot(x/size, type="b")
detach(dyedcloth)

Example output

Package 'qcc' version 2.7
Type 'citation("qcc")' for citing this R package in publications.
       x              size      
 Min.   : 7.00   Min.   : 8.00  
 1st Qu.:11.25   1st Qu.:10.00  
 Median :15.00   Median :10.25  
 Mean   :15.30   Mean   :10.75  
 3rd Qu.:19.75   3rd Qu.:12.00  
 Max.   :23.00   Max.   :13.00  

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