search for: co2_ppm

...I have read through many help pages and searched the help listserv, but haven't figured this one out yet. Does anyone have any suggestions or if you could point me to a help page that i may have missed, I would greatly appreciate it. a bit of my code is below: thanks- sherri plot(CO2ppm_1$CO2_ppm,ylim=c(-7,10), axes = FALSE,type="b",pch=16,cex=1,col="skyblue4",main="TC (Model AM2t) SPL Mean Diurnal Cycle",xlab="Hours (GMT)",ylab="CO2(ppm)",col.main="black",font.main=4,lwd=1.8,col.lab="black",col.sub="Black") po...