Try this:
df <- data.frame(a=character(0),b=character(0), stringsAsFactors = FALSE)
df[1,] <- c('a', 'a')
On Wed, Oct 6, 2010 at 2:00 PM, N David Brown <hubd...@gmail.com> wrote:
> Does anyone know why a data frame created with empty character columns
> converts them to integer columns?
>
> > df<-data.frame(a=character(0),b=character(0))
> > df<-rbind(df,c("a","a"))
> > typeof(df[1,1])
> [1] "integer"
>
> AsIs doesn't help:
>
> > df<-data.frame(a=I(character(0)),b=I(character(0)))
> > df<-rbind(df,I(c("a","a")))
> > typeof(df[1,1])
> [1] "integer"
>
> Any suggestions on how to overcome this would be appreciated.
>
> Best wishes,
>
> David
>
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--
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O
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