semicond {faraway} | R Documentation |
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
to4
representing etch time.- Wafer
a factor with levels
1
to3
- position
a factor with levels
1
to4
- 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)).
[Package faraway version 1.0.8 Index]