# NOT RUN {
data(tablets)
par(mfrow=c(3,1))
matplot(tablets[,,1], type="l", lty=1, col = "black")
matplot(tablets[,,2], type="l", lty=1, col = "black")
matplot(tablets[,,3], type="l", lty=1, col = "black")
par(mfrow=c(1,1))
# }
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