search for: co2tm3

...indows. how to use 'points' function to plot two curves with errbar I am doing like: x.val <- as.integer(names(co2mean)) errbar(x.val, co2mean, co2mean + co2sd, co2mean - co2sd, xaxt='n', col=1, xlab=NA,ylab=NA)# obs error bar lines(x.val, co2mean, col=1, lwd=2) errbar(x.val, co2tm3.month.mean, co2tm3.month.mean + co2sd.tm3, co2tm3.month.mean - co2sd.tm3, xaxt='n', col=2, xlab=NA,ylab=NA)# model error bar lines(x.val, co2tm3.month.mean, col=2, lwd=2) Above code replaces first error bar and its line with second. Kindly help, how to use 'points' function here so...