semicond: Semiconductor split-plot experiment

In faraway: Functions and Datasets for Books by Julian Faraway

Semiconductor split-plot experiment

Description

The semicond data frame has 48 rows and 5 columns.

Format

This data frame contains the following columns:

resistance

a numeric vector

ET

a factor with levels 1 to 4 representing etch time.

Wafer

a factor with levels 1 to 3

position

a factor with levels 1 to 4

Grp

an ordered factor with levels 1/1 < 1/2 < 1/3 < 2/1 < 2/2 < 2/3 < 3/1 < 3/2 < 3/3 < 4/1 < 4/2 < 4/3

Details

Also found in the SASmixed package

Source

Littel, R. C., Milliken, G. A., Stroup, W. W., and Wolfinger, R. D. (1996), SAS System for Mixed Models, SAS Institute (Data Set 2.2(b)).

faraway documentation built on Aug. 23, 2022, 5:08 p.m.