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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