The problem occurred when you imported your data, but you haven't shown those
steps.
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xiaocong zuo <xiaocong....@gmail.com> wrote:
>Hi,
>
>when I run the below code,there is an error occured. could you please
>tell
>me how to treat it?
>> pdf('covariate.pdf')
>> par(mfrow=c(1,1))
>> pairs(data2[,c("ID","TYPE","AGE","GNDR","HT")],
>+ panel=function(x,y) { points(x,y); lines(lowess(x,y))})
>Error in `[.data.frame`(data2, , c("ID", "TYPE", "AGE", "GNDR", "HT"))
>:
> undefined columns selected
>> dev.off()
>RStudioGD
> 2
>
> when I try colnames(data2) or names(data2) ,it shows as follows:
>> colnames(data2)
> [1] "X" "X1" "X0" "." "..1"
>I think this may be the problem. Could you please tell me how to treat
>it?
>
>Thank you!
>
>Cassie
>
> [[alternative HTML version deleted]]
>
>______________________________________________
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>and provide commented, minimal, self-contained, reproducible code.
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