Re: [R] min() return factor class values

2007-01-09 Thread Peter Dalgaard
Milton Cezar Ribeiro wrote: Hi R-friends I don´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

Re: [R] min() return factor class values

2007-01-09 Thread Zoltan Kmetty
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 don´t know why the min() function below

Re: [R] min() return factor class values

2007-01-09 Thread Milton Cezar Ribeiro
Dear Peter, I tryed something like head(especies.aicc) especie aicc 1 Attila.rufus 17.15934 2 Attila.rufus 11.41371 3 Attila.rufus 11.41371 4 Attila.rufus 19.55998 5 Attila.rufus 17.23780 6 Attila.rufus 19.22545 especies.min-aggregate.data.frame(especies.aicc,list

Re: [R] min() return factor class values

2007-01-09 Thread Peter Dalgaard
Milton Cezar Ribeiro wrote: Dear Peter, I tryed something like head(especies.aicc) especie aicc 1 Attila.rufus 17.15934 2 Attila.rufus 11.41371 3 Attila.rufus 11.41371 4 Attila.rufus 19.55998 5 Attila.rufus 17.23780 6 Attila.rufus 19.22545

Re: [R] min() return factor class values

2007-01-09 Thread Benilton Carvalho
Milton, have you looked at the structure of your data.frame? str(especies.aicc) Are you sure especies.aicc is defined as numeric? b On Jan 9, 2007, at 10:51 AM, Milton Cezar Ribeiro wrote: Dear Peter, I tryed something like head(especies.aicc) especie aicc 1