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2010 May 06
1
How to solve: Error with Anova {car} due to "deficient rank" ?
...h if I jitter the data in "dat", the function seems to work.
What should I do ?
(here is a self sufficient example code of my situation)
#------------- R code --------------------
# creating data
idata <- structure(list(week = structure(1:12, .Label = c("week6", "week7",
"week8", "week9", "week10", "week11", "week12", "week13", "week14",
"week15", "week16", "week17"), class = "factor")), .Names = "week",
row.names = c(NA,
-12L), class = &q...