failures {GLMsData}

Failures of electronic equipment

Description

The number of failures of electronic equipment operating in two modes

Usage

data(failures)

Format

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

Period

the time period; a numeric vector

Time1

the time spent in Mode 1 in the given period (units not given); a numeric vector

Time2

the time spent in Mode 2 in the given period (units not given); a numeric vector

Failures

the number of failures in the given period; a numeric vector

Details

The data give the number of failures of a piece of electronic equipment after operating in two modes.

Source

Dale W. Jorgensen (1961) Multiple regression analysis of a Poisson process. Journal of the American Statistical Association, 56(294), 235–245.

Examples

   data(failures)
   summary(failures)