ships Ships Damage Data

Description

Data frame giving the number of damage incidents and aggregate months of service by ship type, year of construction, and period of operation.

Usage

ships

Format

type

type: "A" to "E".

year

year of construction: 1960–64, 65–69, 70–74, 75–79 (coded as "60", "65", "70", "75").

period

period of operation : 1960–74, 75–79.

service

aggregate months of service.

incidents

number of damage incidents.

Source

P. McCullagh and J. A. Nelder, (1983), Generalized Linear Models. Chapman & Hall, section 6.3.2, page 137