A data frame with 12 observations on the following 11 variables.
- x1
numeric vectors. Contrast factor.
- x2
numeric vectors. Contrast factor.
- x3
numeric vectors. Contrast factor.
- x4
numeric vectors. Contrast factor.
- x5
numeric vectors. Contrast factor.
- x6
numeric vectors. Contrast factor.
- x7
numeric vectors. Contrast factor.
- x8
numeric vectors. Contrast factor.
- x9
numeric vectors. Contrast factor.
- x10
numeric vectors. Contrast factor.
- x11
numeric vectors. Contrast factor.