HI folks

I'm wanting to do box plots of just 2 of my wells.

I can do it for all of them by using

boxplot(Barium~Well.ID,data=mydata, main="Barium", ylab="mg/L")

to do for all 4 wells
Anyone have a sugestion on how to do it for only 2 wells like MW-1 and MW-2?

The data can be found?
http://www.doylesdartden.com/TEMP/mydata.csv

Thanks
David

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