Hello R-help,



I am using R version 2.15.1.

I upgraded from R version 2.13 a few months back.



Previously, I was able to plot error bars on an xy scatter plot using the errbar function:

errbar(RAEthylene$TIME,RAEthylene$AVE,RAEthylene$AVE+RAEthylene$STD,RAEthylene$AVE-RAEthylene$STD,add = TRUE,lty=2,pch=17);



Today, I went to update my plot.

However, in R version 2.15.1 I get error code saying that this function cannot be found:

Error: could not find function "errbar"

I would perfer to avoid using the xy.error.bars<-function(x, y, xbar, ybar) coding for these error bars, as I have many data to put on one plot.

I've searched the .pdf file for R 2.15.1 version and cannot find any updates for this function.

Do I have to reinstall version 2.13 again??

I need to generate these plots today!!



Please advise.

Regards,

Franklin

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