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densramos
2007 Nov 15
0
Package to make stepwise model selection using F or Chisq test
...+ :
objeto "OPTIONS" n?o encontrado
Looking for OPTIONS in the code I found that this need a P.limit in an OPTIONS
object. I make it.
> OPTIONS <- NULL
> OPTIONS$P.limit <- 0.05
> m.pres.step <-
grasp.step.anova(m.pres,scope=list(upper=~(ProfSer+NgalhoSer+CTOTAL+DensRamos+Htotal+CAP)^3,lower=~1),trace=1,direction="both")
#
# FUNCTION: grasp.step.anova
# (by Splus, adapted by A. Lehmann from step.gam)
# grasp.step.anova is a modified version of step.gam of Splus using ANOVA
based on Chi or F tests instead
# of AIC criteria
#
Erro em untangle.scope(...