[R] about colnames

[Jeff Newmiller]

The problem occurred when you imported your data, but you haven't shown those steps.
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Sent from my phone. Please excuse my brevity.

xiaocong zuo <xiaocong.zuo at 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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