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frg
2006 Nov 28
2
Problem with pairs() in nlme
...subject, vfr
)
pairs(vfr.lmL, id = 0.01, adj = -0.5) # Pinheiro & Bates (p. 141)
produces the following error:
Error in sprintf(gettext(fmt, domain = domain), ...) :
object "form" not found
Any guesses as to what I may have done wrong?
vfr is not a grouped object because:
vfrg <- groupedData(estimate ~ slant | subject, data = vfr)
vfrg.lmL <- lmList(
estimate ~ (slant + respType + visField + hand)^2 | subject,
vfrg)
Error in function (classes, fdef, mtable) :
unable to find an inherited method for function "lmList", for
signature "formula"...