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library(nlme)
options(digits=4) # avoid rounding differences
Ovary[c(1,272), 2] <- NA
fm1 <- gls(follicles ~ sin(2*pi*Time) + cos(2*pi*Time), Ovary,
correlation = corAR1(form = ~ 1 | Mare), na.action=na.exclude)
fitted(fm1)
residuals(fm1)
summary(fm1)
Orthodont[100:102, 2] <- NA
fm2 <- lme(distance ~ age + Sex, data = Orthodont, random = ~ 1,
na.action=na.exclude)
fitted(fm2, 0:1)
fitted(fm2)
residuals(fm2, 0:1)
round(residuals(fm2), 2)
summary(fm2)
Soybean[1:5, "Time"] <- NA
fm3 <- gnls(weight ~ SSlogis(Time, Asym, xmid, scal), Soybean,
weights = varPower(), na.action=na.exclude)
fitted(fm3)
residuals(fm3)
summary(fm3)
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