[R] Dispersion ( Plot error bars ) help

[Peter Francis]

Dear List,

I am looking to plot error bars on a line using dispersion.

I have values for the upper value and for the lower values, however i am unsure how to plot different values for the upper CI and the lower CI?

I have been using 

dispersion(1:35,sim,simCI,col="red")

Where there are 35 points, and simCI relates to a vector containing the lower confidence intervals, however i want different upper and lower bands and am unsure how to call this  - my upper Ci values are called simCIUPPER

Any ideas?

Peter