Dear Rajat,
Just change this
data82$contact <- factor(contact,labels=c("low","high"))
for this
data82$contact <- factor(data82$contact,labels=c("low","high"))
HTH,
Jorge
On Mon, Apr 13, 2009 at 12:24 PM, Rajat wrote:
> I am solving the following question. I want to label the data. I used the
> following code.
>
> > data82 <- read.table(file="/home/rajat/R/8_2_rtg.txt",header=T)
>
> > data82 <- data.frame(data82)
>
> > data82
> low_sat med_sat high_sat contact housing
> 1 65 54 100 1 1
> 2 130 76 111 1 2
> 3 67 48 62 1 3
> 4 34 47 100 2 1
> 5 141 116 191 2 2
> 6 130 105 104 2 3
>
> > sapply(data82,class)
> low_sat med_sat high_sat contact housing
> "integer" "integer" "integer" "integer" "integer"
>
>
> > data82$contact<-factor(contact,labels=c("low","high"))
>
> When I run the last line I get the following message --
>
> ERROR: object "contact" not found
>
>
> Any suggestions
>
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