Wafer                  package:nlme                  R Documentation

Modeling of Analog MOS Circuits

Description:

     The 'Wafer' data frame has 400 rows and 4 columns.

Format:

     This data frame contains the following columns:

     Wafer a factor with levels '1'  '2'  '3'  '4'  '5'  '6'  '7'  '8' 
          '9'  '10' 

     Site a factor with levels '1'  '2'  '3'  '4'  '5'  '6'  '7'  '8' 

     voltage a numeric vector

     current a numeric vector


Source:

     Pinheiro, J. C. and Bates, D. M. (2000), _Mixed-Effects Models in
     S and S-PLUS_, Springer, New York.

