Hi Milton! I don't know why, but this thing happend with me too, quite a lot times. It's a useful way that convert the value type like that:
*as.numeric(as.character(min(...)))* Zoltan 2007/1/9, Milton Cezar Ribeiro <[EMAIL PROTECTED]>: > > Hi R-friends > > I donĀ“t know why the "min()" function below return the min value as > factor. When i force the aicc.min using a as.numeric() function, it return > a factor index (1,2,..) and not min value as I want. By the way, I included > a sessionInfo() at the end of this e-mail. > > In fact I had the same problem (values as factor) on other part of my > script and I noticed that it occour when I use "cbind()". It is real? > > Any idea? > > Kind regards, > > Miltinho > > > especies.aicc.min<-data.frame() > > for (sp in levels(especies.aicc$especie)) > + { > + sele<-subset(especies.aicc,especie==sp) > + especies.aicc.min<-rbind(especies.aicc.min,cbind(sp,aicc.min=min > (sele$aicc))) > + } > > especies.aicc.min > sp aicc.min > 1 Attila.rufus 6.7387056413613 > 2 Automolus.leucophthalmus 125.791300522824 > > class(especies.aicc.min$aicc.min) > [1] "factor" > > > ----------- > > sessionInfo() > R version 2.4.0 (2006-10-03) > i386-pc-mingw32 > locale: > > LC_COLLATE=English_Jamaica.1252;LC_CTYPE=English_Jamaica.1252;LC_MONETARY=English_Jamaica.1252;LC_NUMERIC=C;LC_TIME=English_Jamaica.1252 > attached base packages: > [1] "methods" "stats" "graphics" "grDevices" "utils" > "datasets" "base" > > > > > __________________________________________________ > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > > > [[alternative HTML version deleted]]
______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.