View source: R/set.trellis.colors.r
| set.trellis.colors | R Documentation | 
when called before a lattice call, the strip panels will be set in grayscales
set.trellis.colors(
  symbol = list(fill = gray[2], col = gray[6]),
  line = list(col = gray[7])
)
| symbol | a list with colors for the strips | 
| line | a list with col(or) specified | 
Lattice panel output (invisible)
library(lattice)
df = example.pkpdData()
xyplot(value~ time | format(dose) * type, data = df)
set.trellis.colors ()
xyplot(value~ time | format(dose), data = df, groups = type)
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