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sm50
2010 Jan 18
3
add spline to longitudinal data - preferably similar to SAS's 'I=SM50S' routine
Hi Ruser
I'm trying to replicate some SAS code. I have to add a spline to my
longitudinal spaghetti plot.
I have the plot, but I can't add the spline, a overall trend line. In
the SAS code they use the command 'I=SM50S' and I would prefer
something similar. I?m using R 2.10.1 on windows XP?
I have made this working example.
tolerance.pp <- read.table("http://www.ats.ucla.edu/stat/R/examples/alda/tolerance1_pp.txt
", sep=",", header=T)
# install.packages("lattice", dep = T...