Description

An experiment to investigate factors affecting welding strength.

Usage

Format

A data frame with 16 observations on the following 10 variables.

Rods

a 0-1 predictor

Drying

a 0-1 predictor

Material

a 0-1 predictor

Thickness

a 0-1 predictor

Angle

a 0-1 predictor

Opening

a 0-1 predictor

Current

a 0-1 predictor

Method

a 0-1 predictor

Preheating

a 0-1 predictor

Strength

The welding strength

Source

G. Box and R. Meyer (1986) Dispersion effects from fractional designs, Technometrics, 28, 19-27